REVIEW 2 major objections 5 minor 185 references
A Chemical Inventory of the Disk around the Class 0 Protostar L1527 IRS with ALMA
T0 review · 2 major / 5 minor · reviewed 2026-08-11 · deepseek-v4-flash
Pith's one-line read Compiling all public ALMA data toward the Class 0 protostar L1527 IRS, this paper reports 39 detected molecules (22 species) with derived column densities, and argues that the envelope's carbon-rich chemistry transitions into an…
desk verdict A careful, exhaustive ALMA chemical inventory of L1527 that is a solid reference catalog; the oxygen-rich disk interpretation is suggestive but rests on non-detections the authors themselves flag. read the letter →
The pith
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
The reading
What carries the argument
The load-bearing object is the kinematic decomposition of line emission into protostellar components, anchored by the 3D radiative-transfer model of van 't Hoff et al. (2018): for a central star of 0.45 M_sun, emission at velocity offsets $|\Delta v| \ge 2.55$ km/s from the systemic velocity is free of envelope emission and therefore originates only in the disk, while $|\Delta v| \approx 0.5$–2.5 km/s traces the inner envelope and $|\Delta v| \lesssim 0.5$ km/s the extended envelope. Column densities are then computed under LTE from integrated fluxes via Eq. (1), with the critical correction being the emitting area: adopting the resolved C18O emitting area from the highest-resolution observations reduces the spread in derived columns across datasets from over two orders of magnitude to roughly a factor of five.
What would settle it
Two observations could settle the central claim. First, a direct dynamical measurement of the stellar mass of L1527 IRS: if it comes out near 0.3 M_sun, the disk-only velocity cut moves inward and part of the oxygen-rich 'disk' emission would be reclassified as inner-envelope gas, weakening the carbon-to-oxygen transition. Second, deep observations with high velocity resolution targeting line wings of the nitrogen-bearing and hydrocarbon species currently seen only at low velocities: detection of high-velocity wings would show those species are present in the disk and the envelope-only classification was a sensitivity artifact, while their continued absence at much higher sensitivity would confirm a genuinely disk-depleted chemistry.
Extended reading notes
Core claim
On the paper's own terms, the discovery is an inventory and a contrast. From every publicly available ALMA observation of L1527 IRS, the paper detects 39 molecular species, 22 of them distinct, with 28 reported for the first time in ALMA observations of this source, and derives column densities for each on disk, inner-envelope, and extended-envelope scales. The interpretive centerpiece is the chemical contrast between components: the envelope appears dominated by carbon-rich chemistry, with hydrocarbons such as CCH, c-C3H2, C4H, and CH3CCH prominent and a distinct hydrocarbon tail running along the southeastern outflow cavity wall, while the disk, where only 13CO, C18O, C17O, HCO+, SO, H2CO, and HDCO are kinematically confirmed to emit, appears oxygen-rich with high columns of SO and H2CO. This apparent transition from carbon-dominated to oxygen-dominated chemistry across the disk–envelope interface is the paper's main claim about how the planet-forming material changes as the disk assembles.
Load-bearing premise
The entire disk-versus-envelope split rests on a kinematic model that assumes the central star weighs 0.45 solar masses; if the star is actually at the lighter end of the measured range (about 0.3 solar masses), some gas classified as 'disk' could be inner-envelope material, shifting the chemical contrast.
Editorial extensions
If this is right
- Only seven species — 13CO, C18O, C17O, HCO+, SO, H2CO, and HDCO — are kinematically confirmed to emit from the disk; for every other molecule, a disk presence cannot yet be ruled out because existing observations lack the sensitivity to detect high-velocity line wings.
- The apparent carbon-rich envelope to oxygen-rich disk transition, if it holds up, means the gas that builds planets changes its carbon-to-oxygen balance before the disk reaches the mature Class II stage.
- CO in the L1527 disk is not strongly depleted, consistent with young disks retaining near-canonical CO abundances in contrast to older protoplanetary disks.
- The hydrocarbon tail extending roughly 40 arcseconds along the southeastern outflow cavity wall ties much of the envelope's carbon-chain chemistry to UV-irradiated gas in the outflow, rather than to the cold envelope alone.
- Using the resolved C18O emitting area collapses the spread in derived column densities across datasets to roughly a factor of five, making these columns a usable quantitative baseline for comparing embedded disks.
Reading between the lines
- If the same all-archive inventory approach were applied to other Class 0 and Class I sources, the carbon-rich-envelope to oxygen-rich-disk contrast could be tested as a general feature of embedded disk formation rather than a peculiarity of L1527's edge-on geometry and unusually strong emission.
- The paper's own caveat that narrow lines may conceal unresolved disk emission suggests a concrete next observation: a deep, high-velocity-resolution search for wings on the nitrogen-bearing and hydrocarbon lines currently classified as envelope-only, which would reveal whether those species are truly absent from the disk.
- Because the CH3OH detection is confined to intermediate velocities while the innermost few au are hidden by optically thick dust, the 'oxygen-rich disk' picture may partly reflect line opacity and dust temperature rather than true abundance; shorter-wavelength observations could separate those effects.
- The factor-of-five floor on column-density accuracy is set by the assumption that all species share C18O's emitting area; spatially resolved excitation analysis of each molecule would be needed to push below that floor.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. This paper presents a chemical inventory of the Class 0 protostar L1527 IRS compiled from all publicly available ALMA FDM-mode spectral windows (33 programs), reporting 39 detected molecules (22 unique species), of which 28 are claimed as first-time ALMA detections toward this source. The authors classify each molecule by the protostellar component it traces (outflow, cavity wall, extended/inner envelope, disk, southeast tail) using spatial morphology and velocity thresholds, and derive LTE column densities for detected species and upper limits for non-detections using CDMS line data. The paper's headline interpretation is that the envelope is dominated by carbon-rich chemistry that appears to transition to oxygen-rich chemistry in the disk, based on the unambiguous disk detections of CO isotopologues, HCO+, H2CO/HDCO, and SO.
Significance. If the results stand, this is a valuable reference inventory for the chemistry of embedded disks and a useful starting point for comparing Class 0 disk chemical structures with Class II disks. The paper is strengthened by clearly stated detection criteria (>3σ in multiple channels/pixels), explicit discussion of systematic uncertainties (excitation temperature, emitting area, optical depth, beam dilution, dataset heterogeneity), and the use of external spectroscopic data from CDMS for column-density calculations. The quantitative treatment of beam dilution through the C18O emitting-area correction is particularly commendable and reduces cross-dataset scatter to about a factor of five. The main limitation is that the central 'carbon-rich envelope to oxygen-rich disk transition' claim rests on high-velocity non-detections for most carbon-chain molecules, a point the authors themselves concede in Sect. 4.1.2.
major comments (2)
- [Abstract; Sect. 3.2.6; Sect. 4.1.2] The abstract and conclusions state that the chemistry 'seems to transition' from carbon-rich in the envelope to oxygen-rich in the disk, but the disk side of this contrast is not established for the key carbon-bearing species. In Sect. 3.2.6 only 13CO, C18O, C17O, HCO+, H2CO/HDCO, and SO are confirmed to have high-velocity emission originating in the disk; CCH, c-C3H2, CS, CN, and CH3CCH are not detected at |Δv|≥2.55 km/s. As Sect. 4.1.2 explicitly acknowledges, the absence of high-velocity wings for most molecules may be due to the small emitting area in combination with too-low sensitivity. Because these are non-detections rather than measured low abundances, the observed dichotomy between carbon chains in the envelope and oxygen-bearing molecules in the disk could be a sensitivity selection effect. To make the transition claim load-bearing, the authors should either (a) provide quantitative column-density upper limits for CCH, CS, c-C3H2, and other key carbon chains in the disk velocity range and show that these upper limits are below the envelope abundances, or (b) remove or substantially soften the transition claim from the abstract and conclusions. The current wording in the abstract overstates what the data demonstrate.
- [Sect. 3.3; Fig. 11; Table 5] The distinction between 'disk' (|Δv|≥2.55 km/s) and 'inner 200 au' (|Δv|≥1.75 km/s) is central to the chemical-contrast interpretation, but the robustness of this distinction to the assumed stellar mass and to sensitivity is not demonstrated. For a 0.3 M⊙ central star the lower threshold of 1.75 km/s would already correspond to disk-only emission, yet the paper labels species detected only at that threshold as inner-200-au rather than disk. In Table 5, CCH has an inner-200-au column density of ~7×10^13 cm^-2, comparable to SO at the same scales, but CCH is not assigned a disk detection at 2.55 km/s. This means the conclusion that the disk is oxygen-rich depends critically on a high-velocity cutoff that may simply exclude the region where carbon chains would be detectable. The authors should quantify the sensitivity of the disk claim to the adopted velocity threshold (e.g., by showing at what column density CCH would have been detected at |Δv|≥2.55 km/s in the deepest datasets) and discuss what the inner-200-au columns imply for the C/O contrast when a lower stellar mass is assumed.
minor comments (5)
- [Table 3] The molecule listed as 'c-HCCCCD' in Table 3 appears as 'c-HCCCD' in the text and Table 2; please standardize the nomenclature.
- [Fig. 2] The caption does not explain the shaded regions and color-coded components in the top panels; a legend or sentence defining the colored areas (extended envelope, inner envelope, disk) would help readers interpret the velocity decomposition.
- [Table 4] The table would benefit from a clearer visual separation between the 'Disk' and '<200 au' entries, since the note explains that two entries appear for the disk/inner-200-au region but the columns are not visually distinct in the rendered table.
- [Sect. 2] The sentence 'The 33 programs among these 37 that contain spectral windows in FDM mode' is slightly confusing given the subsequent mention of three proprietary programs; consider rewording to explicitly state 40 total programs, 37 available, 33 with FDM spectral windows used.
- [Sect. 3.2.1] The text states 'Shock-sputtering products such as CH3OH and other COMs are not detected' while Sect. 3.1 lists CH3OH as detected; since the detection is weak and spatially ambiguous, please clarify that it is not detected in the outflow component specifically.
Circularity Check
No significant circularity: the molecular inventory is derived from independent observations and external spectroscopy, with the disk–envelope transition presented as a hedged observational inference.
full rationale
The paper's central products are detections, column densities, and a chemical inventory, not a fitted model output. Column densities are computed from measured integrated fluxes via Eq. (1) using LTE, CDMS partition functions, and adopted excitation temperatures (50 K for the disk/inner 200 au, 20 K for the envelope), with the emitting-area assumption explicitly stated and its effect quantified in Sect. 3.3. The disk–envelope velocity decomposition is taken from the authors' prior radiative-transfer modeling of 13CO and C18O (van 't Hoff et al. 2018); although this is a self-citation, it is an independent forward model of a Keplerian disk plus rotating-infalling envelope, not fitted to the present inventory, and the paper explicitly checks robustness to the lower stellar-mass value of 0.3 Msun in Sect. 3.3. The carbon-rich-envelope to oxygen-rich-disk transition is explicitly hedged ('appears', 'seems', 'may point to') and is an interpretive summary, not a result forced by a fitted parameter. The paper itself flags the key alternative explanation—that most species lack the sensitivity to show high-velocity disk emission (Sect. 4.1.2: 'the absence of higher velocity line wings... may be... simply due to the small emitting area in combination with too low sensitivity')—which is a completeness and selection-effect caveat, not circularity. No equation reduces to another by construction, and no fitted parameter is renamed as a prediction.
Assumptions & free parameters
free parameters (2)
- Excitation temperature Tex =
50 K (disk / inner 200 au); 20 K (inner and extended envelope)
- Emitting area for disk / inner 200 au column densities =
Resolved C18O emitting area from program 2019.1.00261.L (aperture radii ~0.14-0.28 arcsec)
assumptions (6)
- domain assumption Local thermodynamic equilibrium (LTE) with a single excitation temperature per component
- domain assumption Velocity-based separation of disk, inner envelope, and extended envelope follows the rotating-infalling envelope model of van 't Hoff et al. (2018) for a 0.45 M_sun star
- domain assumption The C18O emitting area from high-resolution observations represents the emitting area of all species on small scales
- domain assumption Distance to Taurus of 140 pc and the literature stellar mass range are correct
- domain assumption Molecular line identifications and spectroscopic parameters from CDMS are correct
- domain assumption Emission is optically thin unless explicitly noted
Cite this review
Pith. "Pith review of A Chemical Inventory of the Disk around the Class 0 Protostar L1527 IRS with ALMA." pith.science (2026). https://pith.science/paper/ELBAJK2K
@misc{pith2026260809627,
author = {Pith},
title = {Pith review of: A Chemical Inventory of the Disk around the Class 0 Protostar L1527 IRS with ALMA},
year = {2026},
howpublished = {\url{https://pith.science/paper/ELBAJK2K}},
note = {Machine review of arXiv:2608.09627}
}
abstract
Planet formation starts in disks that are still embedded within their natal envelopes. Here, we compile an extensive inventory of the chemical composition of the disk and envelope ($<$ 3500 au) around the Class 0 protostar L1527 IRS. Using all publicly available ALMA (Atacama Large Millimeter/submillimeter Array) data, we report the detection of 39 molecules, including isotopologues. Of these, 22 are different molecular species and 28 are reported here for the first time toward L1527 in ALMA observations. CH$_3$OH is the only complex organic molecule detected, while the hydrocarbon CH$_3$CCH is the largest molecule detected. Overall, only a few programs are sensitive enough to detect emission unambiguously originating from the disk based on the kinematics. Nitrogen-bearing molecules are predominantly detected on more extended scales, while hydrocarbons show a distinct tail roughly along the southeastern outflow cavity wall, probably due to a stronger UV field in the eastern outflow lobe. The L1527 IRS protostellar system is not rich in sulfur-bearing molecules, with only strong emission observed for CS and SO. Overall, the envelope appears dominated by a carbon-rich chemistry, which seems to transition into an oxygen-rich chemistry in the disk. We calculate column densities of all detected species, providing a starting point to quantify the chemical diversity among young disks and the chemical evolution of the planet-forming material.
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Works this paper leans on
-
[1]
Aikawa , Y., Wakelam , V., Garrod , R. T., and Herbst , E. (2008). Molecular Evolution and Star Formation: From Prestellar Cores to Protostellar Cores . 674, 984--996. doi:10.1086/524096 Aikawa2008
doi:10.1086/524096 2008
-
[3]
V., Yang , Y.-L., Zhang , Y., and Sakai , N
Artur de la Villarmois , E., Guzm \'a n , V. V., Yang , Y.-L., Zhang , Y., and Sakai , N. (2023). The Perseus ALMA Chemical Survey (PEACHES). III. Sulfur-bearing species tracing accretion and ejection processes in young protostars . 678, A124. doi:10.1051/0004-6361/202346728 ArturdelaVillarmois2023
-
[4]
Artur de la Villarmois , E., J rgensen , J. K., Kristensen , L. E., Bergin , E. A., Harsono , D., Sakai , N., et al. (2019). Physical and chemical fingerprint of protostellar disc formation . 626, A71. doi:10.1051/0004-6361/201834877 ArturdelaVillarmois2019
-
[5]
Arulanantham , N., Salyk , C., Pontoppidan , K., Banzatti , A., Zhang , K., \"O berg , K., et al. (2025). The JDISC Survey: Linking the Physics and Chemistry of Inner and Outer Protoplanetary Disk Zones . 170, 67. doi:10.3847/1538-3881/addd01 Arulanatham2025
-
[6]
N., Saigo , K., Saito , M., et al
Aso , Y., Ohashi , N., Aikawa , Y., Machida , M. N., Saigo , K., Saito , M., et al. (2017). ALMA Observations of the Protostar L1527 IRS: Probing Details of the Disk and the Envelope Structures . 849, 56. doi:10.3847/1538-4357/aa8264 Aso2017
-
[7]
Bergin , E. A., Du , F., Cleeves , L. I., Blake , G. A., Schwarz , K., Visser , R., et al. (2016). Hydrocarbon Emission Rings in Protoplanetary Disks Induced by Dust Evolution . 831, 101. doi:10.3847/0004-637X/831/1/101 Bergin2016
-
[8]
Bergner , J. B., \"O berg , K. I., Bergin , E. A., Loomis , R. A., Pegues , J., and Qi , C. (2019). A Survey of C _ 2 H, HCN, and C ^ 18 O in Protoplanetary Disks . 876, 25. doi:10.3847/1538-4357/ab141e Bergner2019
-
[9]
Booth , A. S., Law , C. J., Temmink , M., Leemker , M., and Mac \' as , E. (2023). Tracing snowlines and C/O ratio in a planet-hosting disk. ALMA molecular line observations towards the HD 169142 disk . 678, A146. doi:10.1051/0004-6361/202346974 Booth2023
Show all 185 references
-
[10]
D., Alarc \'o n , F., Bergin , E
Bosman , A. D., Alarc \'o n , F., Bergin , E. A., Zhang , K., van't Hoff , M. L. R., \"O berg , K. I., et al. (2021). Molecules with ALMA at Planet-forming Scales (MAPS). VII. Substellar O/H and C/H and Superstellar C/O in Planet-feeding Gas . 257, 7. doi:10.3847/1538-4365/ac1...
2021 doi
-
[11]
J., Chandler , C
Cacciapuoti , L., Macias , E., Maury , A. J., Chandler , C. J., Sakai , N., Tychoniec , ., et al. (2023). FAUST. IX. Multiband, multiscale dust study of L1527 IRS. Evidence for variations in dust properties within the envelope of a class 0/I young stellar object . 676, A4. doi...
2023 doi
-
[13]
T., Tobin , J
Cook , B. T., Tobin , J. J., Skrutskie , M. F., and Nelson , M. J. (2019). Time variability in the bipolar scattered light nebula of L1527 IRS: a possible warped inner disk . 626, A51. doi:10.1051/0004-6361/201935419 Cook.Tobin.ea2019
2019 doi
-
[14]
F., Ray , T
Devaraj , R., van Dishoeck , E. F., Ray , T. P., Tychoniec , ., Garatti , A. C. o., Francis , L., et al. (2026). JOYS: JWST MIRI/MRS spectra of the inner 500 au region of the L1527 IRS bipolar outflow . arXiv e-prints , arXiv:2601.17820doi:10.48550/arXiv.2601.17820 Devaraj.van...
2026 doi
-
[15]
N., Phuong , N
Diep , P. N., Phuong , N. T., Hoai , D. T., Nhung , P. T., Thao , N. T., Tuan-Anh , P., et al. (2016). Space reconstruction of the morphology and kinematics of axisymmetric radio sources . 461, 4276--4294. doi:10.1093/mnras/stw1630 Diep2016
2016 doi
-
[16]
B., Tobin , J
Drechsler , W. B., Tobin , J. J., Sheehan , P. D., Looney , L. W., Megeath , S. T., Van Dishoeck , E. F., et al. (2026). Accretion onto the Embedded Protostar L1527 IRS: Insights from JWST NIRSpec and MIRI Observations . arXiv e-prints , arXiv:2603.03575doi:10.48550/arXiv.2603...
2026 doi
-
[17]
Dutrey , A., Wakelam , V., Boehler , Y., Guilloteau , S., Hersant , F., Semenov , D., et al. (2011). Chemistry in disks. V. Sulfur-bearing molecules in the protoplanetary disks surrounding LkCa15, MWC480, DM Tauri, and GO Tauri . 535, A104. doi:10.1051/0004-6361/201116931 Dutrey2011
2011 doi
-
[19]
H., Stutzki , J., and Wiedner , M
Emprechtinger , M., Caselli , P., Volgenau , N. H., Stutzki , J., and Wiedner , M. C. (2009). The N\ 2\ D\^+/N\ 2\ H ^ + ratio as an evolutionary tracer of Class 0 protostars . 493, 89--105. doi:10.1051/0004-6361:200810324 Emprechtinger2009
2009 doi
-
[20]
P., Schlemmer , S., Schilke , P., Stutzki , J., and M \"u ller , H
Endres , C. P., Schlemmer , S., Schilke , P., Stutzki , J., and M \"u ller , H. S. P. (2016). The Cologne Database for Molecular Spectroscopy, CDMS, in the Virtual Atomic and Molecular Data Centre, VAMDC . Journal of Molecular Spectroscopy 327, 95--104. doi:10.1016/j.jms.2016....
2016 doi
-
[21]
I., Bergin , E
Favre , C., Cleeves , L. I., Bergin , E. A., Qi , C., and Blake , G. A. (2013). A Significantly Low CO Abundance toward the TW Hya Protoplanetary Disk: A Path to Active Carbon Chemistry? 776, L38. doi:10.1088/2041-8205/776/2/L38 Favre2013
2013 doi
-
[23]
Flores-Rivera , L., Terebey , S., Willacy , K., Isella , A., Turner , N., and Flock , M. (2021). Physical and Chemical Structure of the Disk and Envelope of the Class 0/I Protostar L1527 . 908, 108. doi:10.3847/1538-4357/abd1db Flores-Rivera2021
2021 doi
-
[24]
Garufi , A., Podio , L., Codella , C., Fedele , D., Bianchi , E., Favre , C., et al. (2021). ALMA chemical survey of disk-outflow sources in Taurus (ALMA-DOT). V. Sample, overview, and demography of disk molecular emission . 645, A145. doi:10.1051/0004-6361/202039483 Garufi2021
2021 doi
-
[25]
L., Temmink , M., van Dishoeck , E
Grant , S. L., Temmink , M., van Dishoeck , E. F., Gasman , D., Arabhavi , A. M., Tabone , B., et al. (2025). MINDS: A transition from H _ 2 O to C _ 2 H _ 2 dominated disk spectra with decreasing stellar luminosity . 702, A126. doi:10.1051/0004-6361/202555862 Grant2025
2025 doi
-
[26]
V., Bergner , J
Guzm \'a n , V. V., Bergner , J. B., Law , C. J., \"O berg , K. I., Walsh , C., Cataldi , G., et al. (2021). Molecules with ALMA at Planet-forming Scales (MAPS). VI. Distribution of the Small Organics HCN, C _ 2 H, and H _ 2 CO . 257, 6. doi:10.3847/1538-4365/ac1440 Guzman2021
2021 doi
-
[27]
Harsono , D., Bjerkeli , P., van der Wiel , M. H. D., Ramsey , J. P., Maud , L. T., Kristensen , L. E., et al. (2018). Evidence for the start of planet formation in a young circumstellar disk . Nature Astronomy 2, 646--651. doi:10.1038/s41550-018-0497-x Harsono2018
2018 doi
-
[28]
K., van Dishoeck , E
Harsono , D., J rgensen , J. K., van Dishoeck , E. F., Hogerheijde , M. R., Bruderer , S., Persson , M. V., et al. (2014). Rotationally-supported disks around Class I sources in Taurus: disk formation constraints . 562, A77. doi:10.1051/0004-6361/201322646 Harsono2014
2014 doi
-
[29]
E., Herbst , E., and Garrod , R
Hassel , G. E., Herbst , E., and Garrod , R. T. (2008). Modeling the Lukewarm Corino Phase: Is L1527 Unique? 681, 1385--1395. doi:10.1086/588185 Hassel2008
2008 doi
-
[30]
A., Le Gal , R., Andrews , S
Huang , J., Bergin , E. A., Le Gal , R., Andrews , S. M., Bae , J., Keyte , L., et al. (2024). Constraints on the Gas-phase C/O Ratio of DR Tau's Outer Disk from CS, SO, and C _ 2 H Observations . 973, 135. doi:10.3847/1538-4357/ad6447 Huang2024
2024 doi
-
[31]
and Kobayashi , H
Ikoma , M. and Kobayashi , H. (2025). Formation of Giant Planets . 63, 217--258. doi:10.1146/annurev-astro-052722-094843 Ikoma2025
2025 doi
-
[32]
D., Walsh , C., Booth , A
Ilee , J. D., Walsh , C., Booth , A. S., Aikawa , Y., Andrews , S. M., Bae , J., et al. (2021). Molecules with ALMA at Planet-forming Scales (MAPS). IX. Distribution and Properties of the Large Organic Molecules HC _ 3 N, CH _ 3 CN, and c-C _ 3 H _ 2 . 257, 9. doi:10.3847/1538...
2021 doi
-
[33]
S., J rgensen , J
Jensen , S. S., J rgensen , J. K., Kristensen , L. E., Coutens , A., van Dishoeck , E. F., Furuya , K., et al. (2021). ALMA observations of doubly deuterated water: inheritance of water from the prestellar environment . 650, A172. doi:10.1051/0004-6361/202140560 Jensen2021
2021 doi
-
[34]
S., J rgensen , J
Jensen , S. S., J rgensen , J. K., Kristensen , L. E., Furuya , K., Coutens , A., van Dishoeck , E. F., et al. (2019). ALMA observations of water deuteration: a physical diagnostic of the formation of protostars . 631, A25. doi:10.1051/0004-6361/201936012 Jensen2019
2019 doi
-
[36]
S., Bergin , E
Keyte , L., Kama , M., Booth , A. S., Bergin , E. A., Cleeves , L. I., van Dishoeck , E. F., et al. (2023). Azimuthal C/O variations in a planet-forming disk . Nature Astronomy 7, 684--693. doi:10.1038/s41550-023-01951-9 Keyte2023
2023 doi
-
[37]
Lacy , M., Kern , J., and Tobin , J. J. (2020). The NRAO Science Ready Data Products Pilot Program . In Astronomical Data Analysis Software and Systems XXIX, eds. R. Pizzo , E. R. Deul , J. D. Mol , J. de Plaa , and H. Verkouter . vol. 527 of Astronomical Society of the Pacifi...
2020
-
[38]
J., Le Gal , R., \"O berg , K
Law , C. J., Le Gal , R., \"O berg , K. I., Zhang , K., Aikawa , Y., Andrews , S. M., et al. (2026). A Submillimeter Survey of CS Excitation in Protoplanetary Disks: Evidence of X-Ray-driven Sulfur Chemistry . 997, 91. doi:10.3847/1538-4357/ae1fdf Law2026
2026 doi
-
[39]
I., Teague , R., Loomis , R
Le Gal , R., \"O berg , K. I., Teague , R., Loomis , R. A., Law , C. J., Walsh , C., et al. (2021). Molecules with ALMA at Planet-forming Scales (MAPS). XII. Inferring the C/O and S/H Ratios in Protoplanetary Disks with Sulfur Molecules . 257, 12. doi:10.3847/1538-4365/ac2583 ...
2021 doi
-
[41]
M., Ostriker , E
Lee , C.-F., Stone , J. M., Ostriker , E. C., and Mundy , L. G. (2001). Hydrodynamic Simulations of Jet- and Wind-driven Protostellar Outflows . 557, 429--442. doi:10.1086/321648 Lee2001
2001 doi
-
[43]
F., Hogerheijde , M
Liu , X.-C., van Dishoeck , E. F., Hogerheijde , M. R., van Gelder , M. L., Chen , Y., Liu , T., et al. (2025). Sulfur oxides tracing streamers and shocks at low-mass protostellar disk─envelope interfaces . 701, A141. doi:10.1051/0004-6361/202554186 Liu2025
2025 doi
-
[44]
K., Taquet , V., M \"u ller , H
Manigand , S., Calcutt , H., J rgensen , J. K., Taquet , V., M \"u ller , H. S. P., Coutens , A., et al. (2019). The ALMA-PILS survey: the first detection of doubly deuterated methyl formate (CHD _ 2 OCHO) in the ISM . 623, A69. doi:10.1051/0004-6361/201832844 Manigand2019
2019 doi
-
[45]
J., Bonato , M., Brand , J., Galluzzi , V., et al
Massardi , M., Stoehr , F., Bendo , G. J., Bonato , M., Brand , J., Galluzzi , V., et al. (2021). The Additional Representative Images for Legacy (ARI-L) Project for the ALMA Science Archive . 133, 085001. doi:10.1088/1538-3873/ac159c Massardi2021
2021 doi
-
[46]
K., Bergin , E
McClure , M. K., Bergin , E. A., Cleeves , L. I., van Dishoeck , E. F., Blake , G. A., Evans , N. J., II, et al. (2016). Mass Measurements in Protoplanetary Disks from Hydrogen Deuteride . 831, 167. doi:10.3847/0004-637X/831/2/167 McClure2016
2016 doi
-
[48]
F., Cazzoletti , P., Testi , L., Williams , J
Miotello , A., Facchini , S., van Dishoeck , E. F., Cazzoletti , P., Testi , L., Williams , J. P., et al. (2019). Bright C _ 2 H emission in protoplanetary discs in Lupus: high volatile C/O > 1 ratios . 631, A69. doi:10.1051/0004-6361/201935441 Miotello2019
2019 doi
-
[49]
Miotello , A., Testi , L., Lodato , G., Ricci , L., Rosotti , G., Brooks , K., et al. (2014). Grain growth in the envelopes and disks of Class I protostars . 567, A32. doi:10.1051/0004-6361/201322945 Miotello2014
2014 doi
-
[52]
M., van Dishoeck , E
Murillo , N. M., van Dishoeck , E. F., van der Wiel , M. H. D., J rgensen , J. K., Drozdovskaya , M. N., Calcutt , H., et al. (2018). Tracing the cold and warm physico-chemical structure of deeply embedded protostars: IRAS 16293-2422 vs. VLA 1623-2417 . 617, A120. doi:10.1051/...
2018 doi
-
[53]
T., Tobin , J
Narang , M., Tyagi , H., Ohashi , N., Manoj , P., Megeath , S. T., Tobin , J. J., et al. (2026). Investigating the Nested Structure of the Outflow from the Low Luminosity Protostar IRAS 16253-2429 using JWST and ALMA . arXiv e-prints , arXiv:2602.09837doi:10.48550/arXiv.2602.0...
2026 doi
-
[54]
I., Facchini , S., and Anderson , D
\"O berg , K. I., Facchini , S., and Anderson , D. E. (2023). Protoplanetary Disk Chemistry . 61, 287--328. doi:10.1146/annurev-astro-022823-040820 Oberg2023
2023 doi
-
[55]
I., Guzm \'a n , V
\"O berg , K. I., Guzm \'a n , V. V., Walsh , C., Aikawa , Y., Bergin , E. A., Law , C. J., et al. (2021). Molecules with ALMA at Planet-forming Scales (MAPS). I. Program Overview and Highlights . 257, 1. doi:10.3847/1538-4365/ac1432 Oberg2021
2021 doi
-
[56]
N., et al
Ohashi , N., Saigo , K., Aso , Y., Aikawa , Y., Koyamatsu , S., Machida , M. N., et al. (2014). Formation of a Keplerian Disk in the Infalling Envelope around L1527 IRS: Transformation from Infalling Motions to Kepler Motions . 796, 131. doi:10.1088/0004-637X/796/2/131 Ohashi2014
2014 doi
-
[57]
J., J rgensen , J
Ohashi , N., Tobin , J. J., J rgensen , J. K., Takakuwa , S., Sheehan , P., Aikawa , Y., et al. (2023). Early Planet Formation in Embedded Disks (eDisk). I. Overview of the Program and First Results . 951, 8. doi:10.3847/1538-4357/acd384 Ohashi2023
2023 doi
-
[58]
Oya , Y., Kibukawa , H., Miyake , S., and Yamamoto , S. (2022). FERIA: Flat Envelope Model with Rotation and Infall under Angular Momentum Conservation . 134, 094301. doi:10.1088/1538-3873/ac8839 Oya2022
2022 doi
-
[59]
Oya , Y., Sakai , N., Lefloch , B., L \'o pez-Sepulcre , A., Watanabe , Y., Ceccarelli , C., et al. (2015). Geometric and Kinematic Structure of the Outflow/Envelope System of L1527 Revealed by Subarcsecond-resolution Observation of CS . 812, 59. doi:10.1088/0004-637X/812/1/59 Oya2015
2015 doi
-
[60]
Parise , B., Ceccarelli , C., Tielens , A. G. G. M., Castets , A., Caux , E., Lefloch , B., et al. (2006). Testing grain surface chemistry: a survey of deuterated formaldehyde and methanol in low-mass class 0 protostars . 453, 949--958. doi:10.1051/0004-6361:20054476 Parise2006
2006 doi
-
[61]
Perotti , G., Christiaens , V., Henning , T., Tabone , B., Waters , L. B. F. M., Kamp , I., et al. (2023). Water in the terrestrial planet-forming zone of the PDS 70 disk . 620, 516--520. doi:10.1038/s41586-023-06317-9 Perotti2023
2023 doi
-
[64]
Sai , J. I. C., Ohashi , N., Yen , H.-W., Maury , A. J., and Maret , S. (2023). Probing Velocity Structures of Protostellar Envelopes: Infalling and Rotating Envelopes within Turbulent Dense Cores . 944, 222. doi:10.3847/1538-4357/acb3bd Sai2023
2023 doi
-
[72]
Semenov , D., Favre , C., Fedele , D., Guilloteau , S., Teague , R., Henning , T., et al. (2018). Chemistry in disks. XI. Sulfur-bearing species as tracers of protoplanetary disk physics and chemistry: the DM Tau case . 617, A28. doi:10.1051/0004-6361/201832980 Semenov2018
2018 doi
-
[73]
K., van't Hoff , M
Sharma , R., J rgensen , J. K., van't Hoff , M. L. R., Lee , J.-E., Aikawa , Y., Gavino , S., et al. (2025). Early Planet Formation in Embedded Disks (eDisk): XX. Constraining the chemical tracers of young protostellar sources . 704, A133. doi:10.1051/0004-6361/202553721 Sharma2025
2025 doi
-
[74]
D., Tobin , J
Sheehan , P. D., Tobin , J. J., Li , Z.-Y., van't Hoff , M. L. R., J rgensen , J. K., Kwon , W., et al. (2022). A VLA View of the Flared, Asymmetric Disk around the Class 0 Protostar L1527 IRS . 934, 95. doi:10.3847/1538-4357/ac7a3b Sheehan2022
2022 doi
-
[76]
G., van Dishoeck , E
Slavicinska , K., Tychoniec , ., Navarro , M. G., van Dishoeck , E. F., Tobin , J. J., van Gelder , M. L., et al. (2025). HDO Ice Detected toward an Isolated Low-mass Protostar with JWST . 986, L19. doi:10.3847/2041-8213/addb45 Slavicinska2025
2025 doi
-
[77]
Spezzano , S., Bizzocchi , L., Caselli , P., Harju , J., and Br \"u nken , S. (2016). Chemical differentiation in a prestellar core traces non-uniform illumination . 592, L11. doi:10.1051/0004-6361/201628652 Spezzano2016
2016 doi
-
[78]
E., Bizzocchi , L., Prudenzano , D., and Nagy , Z
Spezzano , S., Caselli , P., Pineda , J. E., Bizzocchi , L., Prudenzano , D., and Nagy , Z. (2020). Distribution of methanol and cyclopropenylidene around starless cores★ . 643, A60. doi:10.1051/0004-6361/201936598 Spezzano2020
2020 doi
-
[79]
F., Arabhavi , A
Tabone , B., Bettoni , G., van Dishoeck , E. F., Arabhavi , A. M., Grant , S., Gasman , D., et al. (2023). A rich hydrocarbon chemistry and high C to O ratio in the inner disk around a very low-mass star . Nature Astronomy 7, 805--814. doi:10.1038/s41550-023-01965-3 Tabone2023
2023 doi
-
[80]
J., and Barajas , A
Terebey , S., Sandoval Ascencio , L., Flores-Rivera , L., Turner , N. J., and Barajas , A. (2025). The Dynamics of Infall and Accretion Shocks in the Outer Disk . 990, 53. doi:10.3847/1538-4357/ade3c6 Terebey2025
2025 doi
-
[81]
J., Bergin , E
Tobin , J. J., Bergin , E. A., Hartmann , L., Lee , J.-E., Maret , S., Myers , P. C., et al. (2013). Resolved Depletion Zones and Spatial Differentiation of N _ 2 H ^ + and N _ 2 D ^ + . 765, 18. doi:10.1088/0004-637X/765/1/18 Tobin_N2H+
2013 doi
-
[82]
J., Hartmann , L., Chiang , H.-F., Wilner , D
Tobin , J. J., Hartmann , L., Chiang , H.-F., Wilner , D. J., Looney , L. W., Loinard , L., et al. (2012). A -0.5ex 0.2-solar-mass protostar with a Keplerian disk in the very young L1527 IRS system . 492, 83--85. doi:10.1038/nature11610 Tobin2012
2012 doi
-
[83]
T., Hoai , D
Tuan-Anh , P., Nhung , P. T., Hoai , D. T., Diep , P. N., Phuong , N. T., Thao , N. T., et al. (2016). Morphology and kinematics of the gas envelope of protostar L1527 as obtained from ALMA observations of the C ^ 18 O(2-1) line emission . 463, 3563--3572. doi:10.1093/mnras/st...
2016 doi
-
[84]
F., Rosotti , G
Tychoniec , ., Manara , C. F., Rosotti , G. P., van Dishoeck , E. F., Cridland , A. J., Hsieh , T.-H., et al. (2020). Dust masses of young disks: constraining the initial solid reservoir for planet formation . 640, A19. doi:10.1051/0004-6361/202037851 Tychoniec2020
2020 doi
-
[85]
F., van't Hoff , M
Tychoniec , ., van Dishoeck , E. F., van't Hoff , M. L. R., van Gelder , M. L., Tabone , B., Chen , Y., et al. (2021). Which molecule traces what: Chemical diagnostics of protostellar sources . 655, A65. doi:10.1051/0004-6361/202140692 Tychoniec2021
2021 doi
-
[88]
van 't Hoff , M. L. R., Harsono , D., Tobin , J. J., Bosman , A. D., van Dishoeck , E. F., J rgensen , J. K., et al. (2020). Temperature Structures of Embedded Disks: Young Disks in Taurus Are Warm . 901, 166. doi:10.3847/1538-4357/abb1a2 vantHoff2020
2020 doi
-
[90]
van 't Hoff , M. L. R., Tobin , J. J., Harsono , D., and van Dishoeck , E. F. (2018). Unveiling the physical conditions of the youngest disks. A warm embedded disk in L1527 . 615, A83. doi:10.1051/0004-6361/201732313 vantHoff2018
2018 doi
-
[91]
van 't Hoff , M. L. R., Tobin , J. J., Li , Z.-Y., Ohashi , N., J rgensen , J. K., Lin , Z.-Y. D., et al. (2023). Early Planet Formation in Embedded Disks (eDisk). III. A First High-resolution View of Submillimeter Continuum and Molecular Line Emission toward the Class 0 Proto...
2023 doi
-
[93]
Yoshida , K., Sakai , N., Nishimura , Y., Tokudome , T., Watanabe , Y., Sakai , T., et al. (2019). An unbiased spectral line survey observation toward the low-mass star-forming region L1527 . 71, S18. doi:10.1093/pasj/psy136 Yoshida2019
2019 doi
-
[95]
A., Schwarz , K., Krijt , S., and Ciesla , F
Zhang , K., Bergin , E. A., Schwarz , K., Krijt , S., and Ciesla , F. (2019). Systematic Variations of CO Gas Abundance with Radius in Gas-rich Protoplanetary Disks . 883, 98. doi:10.3847/1538-4357/ab38b9 Zhang2019
2019 doi
-
[96]
S., Law , C
Zhang , K., Booth , A. S., Law , C. J., Bosman , A. D., Schwarz , K. R., Bergin , E. A., et al. (2021). Molecules with ALMA at Planet-forming Scales (MAPS). V. CO Gas Distributions . 257, 5. doi:10.3847/1538-4365/ac1580 Zhang2021
2021 doi
-
[97]
R., and Bergin , E
Zhang , K., Schwarz , K. R., and Bergin , E. A. (2020). Rapid Evolution of Volatile CO from the Protostellar Disk Stage to the Protoplanetary Disk Stage . 891, L17. doi:10.3847/2041-8213/ab7823 Zhang2020
2020 doi
-
[98]
E., Sakai , N., Oya , Y., L \'o pez-Sepulcre , A., Imai , M., et al
Zhang , Y., Higuchi , A. E., Sakai , N., Oya , Y., L \'o pez-Sepulcre , A., Imai , M., et al. (2018). Rotation in the NGC 1333 IRAS 4C Outflow . 864, 76. doi:10.3847/1538-4357/aad7ba Zhang2018
2018 doi
-
[100]
S., Schlafly , E
Zucker , C., Speagle , J. S., Schlafly , E. F., Green , G. M., Finkbeiner , D. P., Goodman , A. A., et al. (2019). A Large Catalog of Accurate Distances to Local Molecular Clouds: The Gaia DR2 Edition . 879, 125. doi:10.3847/1538-4357/ab2388 Zucker2019
2019 doi
-
[101]
, keywords =
Rapid Evolution of Volatile CO from the Protostellar Disk Stage to the Protoplanetary Disk Stage. , keywords =. doi:10.3847/2041-8213/ab7823 , archivePrefix =. 2002.08522 , primaryClass =
2002 arXiv
-
[102]
, keywords =
Rotationally-supported disks around Class I sources in Taurus: disk formation constraints. , keywords =. doi:10.1051/0004-6361/201322646 , archivePrefix =. 1312.5716 , primaryClass =
-
[103]
, keywords =
On the formation of protostellar disks. , keywords =. doi:10.1016/0019-1035(81)90051-8 , adsurl =
-
[104]
, keywords =
An infall model for the T Tauri phenomenon. , keywords =. doi:10.1086/154840 , adsurl =
-
[105]
Astronomical Data Analysis Software and Systems XXIX , year = 2020, editor =
The NRAO Science Ready Data Products Pilot Program. Astronomical Data Analysis Software and Systems XXIX , year = 2020, editor =
2020
-
[106]
The Perseus ALMA Chemical Survey (PEACHES). III. Sulfur-bearing species tracing accretion and ejection processes in young protostars. , keywords =. doi:10.1051/0004-6361/202346728 , archivePrefix =. 2309.05839 , primaryClass =
-
[107]
, keywords =
ALMA observations of doubly deuterated water: inheritance of water from the prestellar environment. , keywords =. doi:10.1051/0004-6361/202140560 , archivePrefix =. 2104.13411 , primaryClass =
-
[108]
, keywords =
ALMA observations of water deuteration: a physical diagnostic of the formation of protostars. , keywords =. doi:10.1051/0004-6361/201936012 , archivePrefix =. 1909.10533 , primaryClass =
1909 arXiv
-
[109]
, keywords =
HDO Ice Detected toward an Isolated Low-mass Protostar with JWST. , keywords =. doi:10.3847/2041-8213/addb45 , archivePrefix =. 2505.14686 , primaryClass =
-
[110]
, year = 1994, month = jan, volume =
Abundances in the Interstellar Medium. , year = 1994, month = jan, volume =. doi:10.1146/annurev.aa.32.090194.001203 , adsurl =
1994
-
[111]
, keywords =
The ^ 12 C/ ^ 13 C Isotope Gradient Derived from Millimeter Transitions of CN: The Case for Galactic Chemical Evolution. , keywords =. doi:10.1086/497123 , adsurl =
-
[112]
Journal of Molecular Spectroscopy , keywords =
The Cologne Database for Molecular Spectroscopy, CDMS, in the Virtual Atomic and Molecular Data Centre, VAMDC. Journal of Molecular Spectroscopy , keywords =. doi:10.1016/j.jms.2016.03.005 , archivePrefix =. 1603.03264 , primaryClass =
2016 arXiv
-
[113]
Journal of Molecular Structure , year = 2005, month = may, volume =
The Cologne Database for Molecular Spectroscopy, CDMS: a useful tool for astronomers and spectroscopists. Journal of Molecular Structure , year = 2005, month = may, volume =. doi:10.1016/j.molstruc.2005.01.027 , adsurl =
2005 doi
-
[114]
, keywords =
The Cologne Database for Molecular Spectroscopy, CDMS. , keywords =. doi:10.1051/0004-6361:20010367 , adsurl =
-
[115]
2019 , month = jun, pages =
, title =. 2019 , month = jun, pages =. arXiv , doi =:1905.04134 , keywords =
2019 arXiv
-
[116]
2026 , month = mar, pages =
arXiv e-prints , title =. 2026 , month = mar, pages =. arXiv , doi =:2603.03575 , keywords =
2026
-
[117]
2026 , month = feb, pages =
arXiv e-prints , title =. 2026 , month = feb, pages =. arXiv , doi =:2602.09837 , keywords =
2026
-
[118]
Molecular Jets from an Evolved Protostar: Insights from JWST-ALMA Synergy , year =
Dutta, Somnath , journal =. Molecular Jets from an Evolved Protostar: Insights from JWST-ALMA Synergy , year =. doi:10.3847/1538-4357/adf8d6 , publisher =
-
[119]
2026 , month = jan, pages =
arXiv e-prints , title =. 2026 , month = jan, pages =. arXiv , doi =:2601.17820 , keywords =
2026
-
[120]
, keywords =
A Large Catalog of Accurate Distances to Local Molecular Clouds: The Gaia DR2 Edition. , keywords =. doi:10.3847/1538-4357/ab2388 , archivePrefix =. 1902.01425 , primaryClass =
1902 arXiv
-
[121]
, keywords =
A New Optical Extinction Law and Distance Estimate for the Taurus-Auriga Molecular Cloud. , keywords =. doi:10.1086/117200 , adsurl =
-
[122]
, keywords =
A -0.5ex 0.2-solar-mass protostar with a Keplerian disk in the very young L1527 IRS system. , keywords =. doi:10.1038/nature11610 , archivePrefix =. 1212.0861 , primaryClass =
-
[123]
Nature Astronomy , keywords =
Evidence for the start of planet formation in a young circumstellar disk. Nature Astronomy , keywords =. doi:10.1038/s41550-018-0497-x , archivePrefix =. 1806.09649 , primaryClass =
-
[124]
, keywords =
Grain growth in the envelopes and disks of Class I protostars. , keywords =. doi:10.1051/0004-6361/201322945 , archivePrefix =. 1405.0821 , primaryClass =
-
[125]
Early Planet Formation in Embedded Disks (eDisk). I. Overview of the Program and First Results. , keywords =. doi:10.3847/1538-4357/acd384 , archivePrefix =. 2306.15406 , primaryClass =
-
[126]
, keywords =
Dust masses of young disks: constraining the initial solid reservoir for planet formation. , keywords =. doi:10.1051/0004-6361/202037851 , archivePrefix =. 2006.02812 , primaryClass =
2006 arXiv
-
[127]
, keywords =
The JDISC Survey: Linking the Physics and Chemistry of Inner and Outer Protoplanetary Disk Zones. , keywords =. doi:10.3847/1538-3881/addd01 , archivePrefix =. 2505.07562 , primaryClass =
-
[128]
, keywords =
MINDS: The very low-mass star and brown dwarf sample: Detections and trends in the inner disk gas. , keywords =. doi:10.1051/0004-6361/202554109 , archivePrefix =. 2506.02748 , primaryClass =
-
[129]
, keywords =
MINDS: A transition from H _ 2 O to C _ 2 H _ 2 dominated disk spectra with decreasing stellar luminosity. , keywords =. doi:10.1051/0004-6361/202555862 , archivePrefix =. 2508.04692 , primaryClass =
-
[130]
, keywords =
Water in the terrestrial planet-forming zone of the PDS 70 disk. , keywords =. doi:10.1038/s41586-023-06317-9 , archivePrefix =. 2307.12040 , primaryClass =
-
[131]
Nature Astronomy , keywords =
A rich hydrocarbon chemistry and high C to O ratio in the inner disk around a very low-mass star. Nature Astronomy , keywords =. doi:10.1038/s41550-023-01965-3 , archivePrefix =. 2304.05954 , primaryClass =
-
[132]
, keywords =
A Significantly Low CO Abundance toward the TW Hya Protoplanetary Disk: A Path to Active Carbon Chemistry?. , keywords =. doi:10.1088/2041-8205/776/2/L38 , archivePrefix =. 1309.5370 , primaryClass =
-
[133]
, keywords =
Mass Measurements in Protoplanetary Disks from Hydrogen Deuteride. , keywords =. doi:10.3847/0004-637X/831/2/167 , archivePrefix =. 1608.07817 , primaryClass =
-
[134]
Molecules with ALMA at Planet-forming Scales (MAPS). I. Program Overview and Highlights. , keywords =. doi:10.3847/1538-4365/ac1432 , archivePrefix =. 2109.06268 , primaryClass =
- [135]
-
[136]
, keywords =
Formation of Giant Planets. , keywords =. doi:10.1146/annurev-astro-052722-094843 , archivePrefix =. 2504.04090 , primaryClass =
- [137]
-
[138]
Molecules with ALMA at Planet-forming Scales (MAPS). VII. Substellar O/H and C/H and Superstellar C/O in Planet-feeding Gas. , keywords =. doi:10.3847/1538-4365/ac1435 , archivePrefix =. 2109.06221 , primaryClass =
-
[139]
, keywords =
Bright C _ 2 H emission in protoplanetary discs in Lupus: high volatile C/O > 1 ratios. , keywords =. doi:10.1051/0004-6361/201935441 , archivePrefix =. 1909.04477 , primaryClass =
1909 arXiv
-
[140]
, keywords =
Hydrocarbon Emission Rings in Protoplanetary Disks Induced by Dust Evolution. , keywords =. doi:10.3847/0004-637X/831/1/101 , archivePrefix =. 1609.06337 , primaryClass =
-
[141]
, keywords =
A Submillimeter Survey of CS Excitation in Protoplanetary Disks: Evidence of X-Ray-driven Sulfur Chemistry. , keywords =. doi:10.3847/1538-4357/ae1fdf , archivePrefix =. 2511.09628 , primaryClass =
-
[142]
ALMA molecular line observations towards the HD 169142 disk
Tracing snowlines and C/O ratio in a planet-hosting disk. ALMA molecular line observations towards the HD 169142 disk. , keywords =. doi:10.1051/0004-6361/202346974 , archivePrefix =. 2308.07910 , primaryClass =
-
[143]
, keywords =
Constraints on the Gas-phase C/O Ratio of DR Tau's Outer Disk from CS, SO, and C _ 2 H Observations. , keywords =. doi:10.3847/1538-4357/ad6447 , archivePrefix =. 2407.01679 , primaryClass =
-
[144]
arXiv e-prints , keywords =
AB Aur, a Rosetta stone for studies of planet formation (IV): C/O estimates from CS and SO interferometric observations. arXiv e-prints , keywords =. doi:10.48550/arXiv.2602.06551 , archivePrefix =. 2602.06551 , primaryClass =
-
[145]
Chemistry in disks. V. Sulfur-bearing molecules in the protoplanetary disks surrounding LkCa15, MWC480, DM Tauri, and GO Tauri. , keywords =. doi:10.1051/0004-6361/201116931 , archivePrefix =. 1109.5870 , primaryClass =
-
[146]
Chemistry in disks. XI. Sulfur-bearing species as tracers of protoplanetary disk physics and chemistry: the DM Tau case. , keywords =. doi:10.1051/0004-6361/201832980 , archivePrefix =. 1806.07707 , primaryClass =
-
[147]
Nature Astronomy , keywords =
Azimuthal C/O variations in a planet-forming disk. Nature Astronomy , keywords =. doi:10.1038/s41550-023-01951-9 , archivePrefix =. 2303.08927 , primaryClass =
-
[148]
Molecules with ALMA at Planet-forming Scales (MAPS). XII. Inferring the C/O and S/H Ratios in Protoplanetary Disks with Sulfur Molecules. , keywords =. doi:10.3847/1538-4365/ac2583 , archivePrefix =. 2109.06286 , primaryClass =
-
[149]
Molecules with ALMA at Planet-forming Scales (MAPS). IX. Distribution and Properties of the Large Organic Molecules HC _ 3 N, CH _ 3 CN, and c-C _ 3 H _ 2. , keywords =. doi:10.3847/1538-4365/ac1441 , archivePrefix =. 2109.06319 , primaryClass =
-
[150]
Molecules with ALMA at Planet-forming Scales (MAPS). VI. Distribution of the Small Organics HCN, C _ 2 H, and H _ 2 CO. , keywords =. doi:10.3847/1538-4365/ac1440 , archivePrefix =. 2109.06391 , primaryClass =
-
[151]
, keywords =
Protoplanetary Disk Chemistry. , keywords =. doi:10.1146/annurev-astro-022823-040820 , archivePrefix =. 2309.05685 , primaryClass =
-
[152]
, keywords =
A Survey of C _ 2 H, HCN, and C ^ 18 O in Protoplanetary Disks. , keywords =. doi:10.3847/1538-4357/ab141e , archivePrefix =. 1904.09315 , primaryClass =
1904 arXiv
-
[153]
Molecules with ALMA at Planet-forming Scales (MAPS). V. CO Gas Distributions. , keywords =. doi:10.3847/1538-4365/ac1580 , archivePrefix =. 2109.06233 , primaryClass =
-
[154]
, keywords =
Systematic Variations of CO Gas Abundance with Radius in Gas-rich Protoplanetary Disks. , keywords =. doi:10.3847/1538-4357/ab38b9 , archivePrefix =. 1908.03267 , primaryClass =
1908 arXiv
-
[155]
ALMA chemical survey of disk-outflow sources in Taurus (ALMA-DOT). V. Sample, overview, and demography of disk molecular emission. , keywords =. doi:10.1051/0004-6361/202039483 , archivePrefix =. 2012.07667 , primaryClass =
2012 arXiv
-
[156]
, keywords =
Physical and chemical fingerprint of protostellar disc formation. , keywords =. doi:10.1051/0004-6361/201834877 , archivePrefix =. 1904.13161 , primaryClass =
1904 arXiv
-
[157]
, keywords =
The N\ 2\ D\^+/N\ 2\ H ^ + ratio as an evolutionary tracer of Class 0 protostars. , keywords =. doi:10.1051/0004-6361:200810324 , archivePrefix =. 0809.3759 , primaryClass =
-
[158]
, keywords =
Testing grain surface chemistry: a survey of deuterated formaldehyde and methanol in low-mass class 0 protostars. , keywords =. doi:10.1051/0004-6361:20054476 , archivePrefix =. astro-ph/0603135 , primaryClass =
-
[159]
Molecular Abundances and Low-Mass Star Formation. II. Organic and Deuterated Species toward IRAS 16293-2422. , keywords =. doi:10.1086/175915 , adsurl =
-
[160]
VLA 1623-2417
Tracing the cold and warm physico-chemical structure of deeply embedded protostars: IRAS 16293-2422 vs. VLA 1623-2417. , keywords =. doi:10.1051/0004-6361/201731724 , archivePrefix =. 1805.05205 , primaryClass =
-
[161]
, keywords =
Rotation in the NGC 1333 IRAS 4C Outflow. , keywords =. doi:10.3847/1538-4357/aad7ba , archivePrefix =. 1808.00346 , primaryClass =
-
[162]
, keywords =
Chemical differentiation in a prestellar core traces non-uniform illumination. , keywords =. doi:10.1051/0004-6361/201628652 , archivePrefix =. 1607.03242 , primaryClass =
-
[163]
, keywords =
Distribution of methanol and cyclopropenylidene around starless cores. , keywords =. doi:10.1051/0004-6361/201936598 , archivePrefix =. 2009.04768 , primaryClass =
2009 arXiv
-
[164]
Chemical Reviews , year = 2013, month = dec, volume =
Warm Carbon-Chain Chemistry. Chemical Reviews , year = 2013, month = dec, volume =. doi:10.1021/cr4001308 , adsurl =
2013 doi
-
[165]
, keywords =
Modeling the Lukewarm Corino Phase: Is L1527 Unique?. , keywords =. doi:10.1086/588185 , archivePrefix =. 0803.1805 , primaryClass =
-
[166]
, keywords =
Molecular Evolution and Star Formation: From Prestellar Cores to Protostellar Cores. , keywords =. doi:10.1086/524096 , archivePrefix =. 0710.0712 , primaryClass =
-
[167]
, keywords =
Abundance anomaly of the ^ 13 C species of CCH. , keywords =. doi:10.1051/0004-6361/200913098 , adsurl =
-
[168]
, keywords =
An unbiased spectral line survey observation toward the low-mass star-forming region L1527. , keywords =. doi:10.1093/pasj/psy136 , archivePrefix =. 1901.06546 , primaryClass =
1901 arXiv
-
[169]
, keywords =
Abundant Carbon-Chain Molecules toward the Low-Mass Protostar IRAS 04368+2557 in L1527. , keywords =. doi:10.1086/523635 , adsurl =
-
[170]
, keywords =
Deuterated Molecules in Warm Carbon Chain Chemistry: The L1527 Case. , keywords =. doi:10.1088/0004-637X/702/2/1025 , adsurl =
-
[171]
, keywords =
Distributions of Carbon-chain Molecules in L1527. , keywords =. doi:10.1088/0004-637X/722/2/1633 , adsurl =
-
[172]
, keywords =
Long Carbon Chains in the Warm Carbon-chain-chemistry Source L1527: First Detection of C _ 7 H in Molecular Clouds. , keywords =. doi:10.3847/1538-4357/aa8637 , adsurl =
-
[173]
, keywords =
A VLA View of the Flared, Asymmetric Disk around the Class 0 Protostar L1527 IRS. , keywords =. doi:10.3847/1538-4357/ac7a3b , archivePrefix =. 2206.13548 , primaryClass =
-
[174]
, keywords =
The ALMA-PILS survey: the first detection of doubly deuterated methyl formate (CHD _ 2 OCHO) in the ISM. , keywords =. doi:10.1051/0004-6361/201832844 , archivePrefix =. 1811.09102 , primaryClass =
-
[175]
, keywords =
Sulfur oxides tracing streamers and shocks at low-mass protostellar disk--envelope interfaces. , keywords =. doi:10.1051/0004-6361/202554186 , archivePrefix =. 2507.22870 , primaryClass =
-
[176]
Constraining the chemical tracers of young protostellar sources
Early Planet Formation in Embedded Disks (eDisk): XX. Constraining the chemical tracers of young protostellar sources. , keywords =. doi:10.1051/0004-6361/202553721 , archivePrefix =. 2509.19158 , primaryClass =
-
[177]
FAUST. XIV. Probing the Flared Disk in L1527 with Sulfur-bearing Molecules. , keywords =. doi:10.3847/1538-4357/ad3921 , adsurl =
-
[178]
, keywords =
Temperature Structures of Embedded Disks: Young Disks in Taurus Are Warm. , keywords =. doi:10.3847/1538-4357/abb1a2 , archivePrefix =. 2008.08106 , primaryClass =
2008 arXiv
-
[179]
, keywords =
FERIA: Flat Envelope Model with Rotation and Infall under Angular Momentum Conservation. , keywords =. doi:10.1088/1538-3873/ac8839 , archivePrefix =. 2208.04581 , primaryClass =
-
[180]
, keywords =
Probing Velocity Structures of Protostellar Envelopes: Infalling and Rotating Envelopes within Turbulent Dense Cores. , keywords =. doi:10.3847/1538-4357/acb3bd , archivePrefix =. 2301.06969 , primaryClass =
-
[181]
A warm embedded disk in L1527
Unveiling the physical conditions of the youngest disks. A warm embedded disk in L1527. , keywords =. doi:10.1051/0004-6361/201732313 , archivePrefix =. 1803.04515 , primaryClass =
-
[182]
, keywords =
Vertical structure of the transition zone from infalling rotating envelope to disc in the Class 0 protostar, IRAS 04368+2557. , keywords =. doi:10.1093/mnrasl/slx002 , adsurl =
-
[183]
, keywords =
ALMA Observations of the Protostar L1527 IRS: Probing Details of the Disk and the Envelope Structures. , keywords =. doi:10.3847/1538-4357/aa8264 , archivePrefix =. 1707.08697 , primaryClass =
-
[184]
, keywords =
Morphology and kinematics of the gas envelope of protostar L1527 as obtained from ALMA observations of the C ^ 18 O(2-1) line emission. , keywords =. doi:10.1093/mnras/stw2206 , archivePrefix =. 1604.03801 , primaryClass =
-
[185]
, keywords =
Space reconstruction of the morphology and kinematics of axisymmetric radio sources. , keywords =. doi:10.1093/mnras/stw1630 , archivePrefix =. 1603.02405 , primaryClass =
-
[186]
, keywords =
The Young Embedded Disk L1527 IRS: Constraints on the Water Snowline and Cosmic-Ray Ionization Rate from HCO+ Observations. , keywords =. doi:10.3847/1538-4357/ac63b4 , adsurl =
-
[187]
, keywords =
Geometric and Kinematic Structure of the Outflow/Envelope System of L1527 Revealed by Subarcsecond-resolution Observation of CS. , keywords =. doi:10.1088/0004-637X/812/1/59 , archivePrefix =. 1604.08005 , primaryClass =
-
[188]
, keywords =
A Chemical View of Protostellar-disk Formation in L1527. , keywords =. doi:10.1088/2041-8205/791/2/L38 , adsurl =
-
[189]
, year = 2014, month = mar, volume =
Change in the chemical composition of infalling gas forming a disk around a protostar. , year = 2014, month = mar, volume =. doi:10.1038/nature13000 , adsurl =
2014 doi
-
[190]
, keywords =
The Dynamics of Infall and Accretion Shocks in the Outer Disk. , keywords =. doi:10.3847/1538-4357/ade3c6 , archivePrefix =. 2505.24582 , primaryClass =
-
[191]
, keywords =
Physical and Chemical Structure of the Disk and Envelope of the Class 0/I Protostar L1527. , keywords =. doi:10.3847/1538-4357/abd1db , archivePrefix =. 2012.05553 , primaryClass =
2012 arXiv
-
[192]
, keywords =
Formation of a Keplerian Disk in the Infalling Envelope around L1527 IRS: Transformation from Infalling Motions to Kepler Motions. , keywords =. doi:10.1088/0004-637X/796/2/131 , archivePrefix =. 1410.0172 , primaryClass =
-
[193]
, keywords =
Which molecule traces what: Chemical diagnostics of protostellar sources. , keywords =. doi:10.1051/0004-6361/202140692 , archivePrefix =. 2107.03696 , primaryClass =
- [194]
-
[195]
, keywords =
Hydrodynamic Simulations of Jet- and Wind-driven Protostellar Outflows. , keywords =. doi:10.1086/321648 , archivePrefix =. astro-ph/0104373 , primaryClass =
-
[196]
, keywords =
CO Outflows from Young Stars: Confronting the Jet and Wind Models. , keywords =. doi:10.1086/317056 , adsurl =
-
[197]
, keywords =
Star Formation and the Nature of Bipolar Outflows. , keywords =. doi:10.1086/185970 , adsurl =
-
[198]
, keywords =
Interaction of Wide-Angle MHD Winds with Flared Disks. , keywords =. doi:10.1086/177688 , adsurl =
- [199]
-
[200]
, keywords =
Resolved Depletion Zones and Spatial Differentiation of N _ 2 H ^ + and N _ 2 D ^ +. , keywords =. doi:10.1088/0004-637X/765/1/18 , archivePrefix =. 1301.1655 , primaryClass =
-
[201]
Science , keywords =
Imaging of the CO Snow Line in a Solar Nebula Analog. Science , keywords =. doi:10.1126/science.1239560 , archivePrefix =. 1307.7439 , primaryClass =
-
[202]
Early Planet Formation in Embedded Disks (eDisk). III. A First High-resolution View of Submillimeter Continuum and Molecular Line Emission toward the Class 0 Protostar L1527 IRS. , keywords =. doi:10.3847/1538-4357/accf87 , archivePrefix =. 2306.15407 , primaryClass =
-
[203]
FAUST. IX. Multiband, multiscale dust study of L1527 IRS. Evidence for variations in dust properties within the envelope of a class 0/I young stellar object. , keywords =. doi:10.1051/0004-6361/202346204 , archivePrefix =. 2306.02852 , primaryClass =
-
[204]
, keywords =
The Additional Representative Images for Legacy (ARI-L) Project for the ALMA Science Archive. , keywords =. doi:10.1088/1538-3873/ac159c , archivePrefix =. 2107.11071 , primaryClass =
-
[205]
Article Title
Author1 LastName1 and Author2 LastName2 and Author3 LastName3. Article Title. Frontiers in Neuroscience. 2013. doi:10.3389/fnins.2013.12345
2013
-
[206]
Author Name , title =
-
[207]
The title of the book , publisher =
Bauthor Surname , title =. The title of the book , publisher =
-
[208]
The title of the conference proceedings , year = 1996, publisher =
Cauthor Name and Dauthor Surname and Fauthor LastName , title =. The title of the conference proceedings , year = 1996, publisher =
1996
-
[209]
Gauthor Name1 , title =
-
[210]
Hauthor Surname1 , title =
-
[211]
Data Title
Author1 LastName1 and Author2 LastName2 and Author3 LastName3. Data Title. 2011. doi:10.000/55555
2011
Reviewed August 11, 2026 · model on record in the stance chip above.
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