REVIEW 2 major objections 5 minor 2 cited by
Episodic Star Formation -- I. Overview and Scatter of the Star-Forming Main Sequence
T0 review · 2 major / 5 minor · reviewed 2026-08-03 · deepseek-v4-flash
Pith's one-line read This paper claims that the scatter of the star-forming main sequence is mostly time-variation within each galaxy, not permanent differences between galaxies, and identifies a two-branch, inward-retreating star-formation cycle as the mechani
desk verdict A careful TNG100 analysis of episodic star formation with a genuinely new two-branch spatial/chemical picture, but the headline scatter accounting is approximate rather than a formal variance decomposition. 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 central object is the two-branch episodic star-formation cycle, with cold gas split into a non-star-forming reservoir and a star-forming pool by a density threshold. The key quantitative identity is the additive decomposition of main-sequence scatter into a temporal fluctuation within each galaxy (σ about 0.2 dex) and a historical offset between galaxies (about 0.15 dex). The cycle is driven by delayed replenishment: the cold non-star-forming reservoir builds up roughly 0.6–0.8 Gyr before SFR rises, then compaction converts it into star-forming gas; feedback eventually depletes the reservoir and tips SFR over. The outward-to-inward retreating branch is the spatial signature that connects
What would settle it
Run the same peak–valley stacking and scatter decomposition in a cosmological simulation with substantially different subgrid feedback and star-formation prescriptions; if the roughly 0.2 dex intra-galaxy fluctuation and the outward-to-inward retreating branch do not appear, the claim is simulation-specific. Observationally, resolved metallicity maps of young stellar populations in z≈0 star-forming disks that show no bimodality and no phase dependence would contradict the two-branch mechanism.
Extended reading notes
Core claim
The central claim is that episodic star formation—not galaxy-to-galaxy variation—dominates the width of the z=0 star-forming main sequence, and that each episode has a specific spatial-chemical anatomy. Tracing the main progenitor of present-day star-forming disc galaxies back to z≈1, the authors report two star-formation branches per episode: one in heavily metal-enriched gas in galactic centers that can stay active even at global SFR minima, and a second in lower-metallicity gas at galaxy outskirts where fresh gas first arrives, which then retreats inward as the episode builds to peak and subsides. At SFR valleys the young-stellar and star-forming-gas metallicity distributions are bimodal,
Load-bearing premise
The load-bearing premise is that the simulated episodic cycle—its amplitude, timing, and outward-to-inward spatial pattern—faithfully represents real galaxies rather than being an artifact of the simulation's adopted feedback, cooling, and star-formation recipes.
Editorial extensions
If this is right
- If the decomposition holds, roughly four-fifths of the z≈0 main-sequence scatter is temporal: a galaxy moves up and down the sequence over roughly 1 Gyr episodes rather than being fixed above or below it.
- Galaxies currently above the ridge have tended to live above it since z≈1, while the amplitude of a galaxy's fluctuation is not correlated with its historical offset.
- Because the outer branch fluctuates more than the central one, measured scatter depends on the aperture or radius used, with outskirts showing substantially larger temporal variation.
- Young-star disc sizes oscillate with the cycle—larger at valleys, smaller at peaks—so UV-selected galaxy sizes should inherit extra scatter from the phase of the star-formation episode.
- Metallicity distributions of young stars and star-forming gas distinguish peaks from valleys, offering a phase indicator that could locate a galaxy within its episode observationally.
Reading between the lines
- If the cycle is universal, the star-forming main sequence is an ensemble average of asynchronous cycles, not a locus of equilibrium states; single-epoch SFR tracers then measure a phase, and gas fractions or depletion times should show cyclic covariances on Gyr timescales.
- The inward-retreating outer branch predicts radial stellar population gradients within individual disks: stars born early in each episode should be more metal-poor and at larger radii than stars born later, which resolved young-stellar-population maps of nearby face-on disks could test.
- The same cycle may explain why SFR indicators on different timescales (such as H-alpha versus UV versus infrared) disagree by order 0.2 dex; comparing short- and long-timescale indicators across many galaxies would provide an observational check of the scatter decomposition.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. This paper uses the TNG100 cosmological simulation to trace the main progenitor branches of z=0 star-forming central galaxies (M* ≥ 10^9.5 Msun) back to z≈1, and argues that the scatter of the star-forming main sequence is driven by episodic star formation. It identifies a two-branch pattern in each star-forming episode: a central, metal-enriched star-forming branch that is often continuously active, and an outer, lower-metallicity branch that starts at the galaxy outskirts and progressively retreats inward as the episode evolves. The paper further shows that young-star and cold-gas metallicity distributions differ between SFR peaks and valleys, with bimodal metallicities at valleys. The central quantitative claim is that the temporal SFR fluctuation within individual galaxies (σ_SFR,rel ~ 0.20 dex) together with the galaxy-to-galaxy differentiation in historical mean MS offset (avg(ΔMS) ~ 0.15 dex) can account for the z=0 SFMS scatter (~0.25 dex). Quantitative peak-valley stacking is based on a refined subsample of 191 of the 285 star-forming rotating disc galaxies, selected to have peak-valley SFR contrasts > 0.5 dex.
Significance. If the two-branch, retreating star-formation picture is correct, it provides a concrete physical mechanism for episodic star formation and yields testable predictions: bimodal metallicity PDFs at SFR minima, phase-dependent size variations of young stellar populations, and a dominant temporal contribution to the SFMS scatter. The paper builds on a public, widely used simulation, presents a clear example galaxy, documents the pair-search algorithm, and includes threshold sensitivity tests in Appendix B. It also explicitly acknowledges that the conclusions are tied to TNG100's subgrid feedback model. However, the headline quantitative claim about the scatter decomposition is not currently demonstrated; it requires a formal variance decomposition rather than a comparison of percentile widths.
major comments (2)
- [Section 2.2 and Section 4, first paragraph] The central claim that ~0.2 dex temporal and ~0.15 dex intrinsic fluctuations 'well account' for the ~0.25 dex SFMS scatter is not established. The paper only compares 16–84 percentile widths of ΔMS_z=0, avg(ΔMS), and σ_SFR,rel; percentile widths do not add in quadrature in general, and no formal variance decomposition is presented. To support the claim, the authors need to verify an identity such as Var(ΔMS_z=0) ≈ Var(avg(ΔMS)) + E[σ_SFR,rel²] + 2Cov(avg(ΔMS), σ_SFR,rel), with all terms defined on the same galaxies and time window. This is not guaranteed by construction: σ_SFR,rel is the RMS residual around a per-galaxy linear fit to log SFR–log(1+z), not around the historical mean MS offset, and ΔMS_z=0 is one time point, so its variance involves the autocorrelation function. The quadrature agreement may be coincidental.
- [Section 2.3, 3.3, and Appendix B] The two-branch star-formation pattern is presented as typical/universal, but all quantitative stacked peak–valley results use the 191/285 galaxies selected with a >0.5 dex peak-to-valley threshold, i.e., episodes twice as large as the typical 0.25 dex scatter. The universality claim rests on 'visual inspection' of the remaining galaxies (last sentence of Appendix B), which is not a reproducible metric. The Appendix B threshold tests show how pair counts and timescales depend on the threshold, but they do not test whether the two-branch morphology and the metallicity bimodality survive at lower thresholds. Either a quantitative pattern-recognition test should be applied to all 285 galaxies, or the text should explicitly restrict the morphological claims to the high-amplitude sample.
minor comments (5)
- [Section 2.2] Please clarify whether the MS ridge at z<1 is fit using only star-forming progenitors or all main-branch galaxies, and specify the fitting method (e.g., treatment of outliers and quenched objects).
- [Section 5, conclusions bullet] In the bullet list, 'the 1σ of temporal fluctuation within each galaxy is ΔMS is 0.200...' should read 'σ_SFR,rel is 0.200...'.
- [Section 4 and Fig. 9] The statement that the historical main-sequence offset among all progenitors since z~1 is 0.006+0.245−0.272 dex pools snapshots across time and redshift; this is not the same statistic as ΔMS_z=0 and should be labelled as a snapshot-pooled scatter to avoid confusion.
- [Fig. 5 caption and Section 3.3] The plotted quantity is a difference between snapshot i+1 and i−1, not a derivative; the caption should state that it measures a change over ~0.4 Gyr.
- [Appendix A] The stop ratio 0.7 in the pair-search algorithm is a tuning parameter; the statement that values >0.5 do not change results would be more convincing if supported by a brief test.
Circularity Check
No significant circularity: the scatter decomposition is descriptive and not fitted to its target; self-citations are motivational, not load-bearing.
full rationale
The paper's central quantitative claim is that the temporal SFR fluctuation within galaxies (~0.2 dex) plus the galaxy-to-galaxy differentiation in historical mean offset (~0.15 dex) can account for the z=0 SFMS scatter (~0.25 dex). These numbers are not predictions obtained by fitting a parameter to the 0.25 dex scatter; they are independently measured summary statistics of the same TNG100 SFR histories. The approximate quadrature agreement is nontrivial: sigma_SFR,rel is defined as the RMS scatter around a per-galaxy linear fit to log SFR versus log(1+z), not around avg(DeltaMS), and no equation in the paper forces sqrt(0.15^2 + 0.20^2) = 0.25. If the measured components had been inconsistent with the total width, the claim would have failed. The lack of a formal variance decomposition (e.g., Var(DeltaMS_z=0) vs Var(avg(DeltaMS)) + E[sigma_SFR,rel^2]) is a support gap or presentation weakness, but it is not circularity: the conclusion is not equivalent to its inputs by construction. The self-citations (Wang et al. 2022; Lu et al. 2021, 2022) are used for motivation and sample construction, while the physical findings — two star-formation branches, metallicity bimodality at peaks/valleys, and the scatter decomposition — are derived from TNG100 data and are externally checkable. No uniqueness theorem or ansatz is imported from the authors' prior work as a load-bearing premise. The paper explicitly states in Section 5 that the conclusions are entirely based on TNG100 and that details are subject to the adopted feedback models, an honest limitation rather than a circular step. Overall, I find no step where a prediction reduces by definition to a fitted input or to a self-citation.
Assumptions & free parameters
free parameters (4)
- Peak-valley amplitude threshold =
0.5 dex
- Pair-search stop ratio =
0.7
- sSFR star-forming cut =
log sSFR >= -1.5 Gyr^-1
- Young-star age threshold =
100 Myr
assumptions (4)
- domain assumption TNG100 with its subgrid feedback, star-formation, and chemical enrichment prescriptions adequately models the episodic star-formation behavior of real galaxies.
- domain assumption The main progenitor branch identified by SUBFIND merger trees from z=1 to z=0 represents each galaxy's true evolutionary path.
- domain assumption A linear relation in log SFR versus log(1+z) is an adequate long-term baseline for each galaxy, so residuals measure temporal fluctuation rather than secular evolution.
- domain assumption The observed SFMS scatter at z=0 is approximately 0.25 dex, as cited from the literature.
Cite this review
Pith. "Pith review of Episodic Star Formation -- I. Overview and Scatter of the Star-Forming Main Sequence." pith.science (2026). https://pith.science/paper/H3A5BUYL
@misc{pith2026251200151,
author = {Pith},
title = {Pith review of: Episodic Star Formation -- I. Overview and Scatter of the Star-Forming Main Sequence},
year = {2026},
howpublished = {\url{https://pith.science/paper/H3A5BUYL}},
note = {Machine review of arXiv:2512.00151}
}
read the original abstract
Episodic star formation cycles in both high- and low-redshift galaxies have gained more and more evidence. This paper aims to understand the detailed physical processes behind such behaviors and investigate how such an episodic star-forming scenario can explain the scatter in star-formation rate (SFR) of star-forming main-sequence galaxies. This is achieved through tracing back in time the history of z=0 star-forming central galaxies in the TNG100 simulation over the past 7-8 Gyrs. As the first paper in this series, we provide an overview of the episodic star formation history. We find that two branches of star formation typically develop during each episode: while one branch happens in heavily metal-enriched gas in the centers of galaxies, a secondary branch starts in lower-metallicity regions at galaxy outskirts where fresh gas first arrives, and gradually progresses to inner regions of galaxies. Additionally, the temporal variation in the SFR at galaxy outskirts is more significant than that at centers. As a consequence, the metallicities in both gas and young stars exhibit remarkably different distributions between SFR peaks and valleys. The resulting temporal SFR fluctuation within individual galaxies has an average of ~ 0.2 dex, while the intrinsic differentiation between (the historical mean of) galaxies is ~ 0.15 dex. These two together can well account for the scatter in SFR of ~ 0.25 dex as observed for z=0 star-forming main-sequence galaxies.
Figures
Figures from the paper (8 more)
Forward citations
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Reference graph
Works this paper leans on
-
[1]
2017, MNRAS, 472, L109, doi: 10.1093/mnrasl/slx161 Astropy Collaboration, Robitaille, T
Angl´ es-Alc´ azar, D., Faucher-Gigu` ere, C.-A., Quataert, E., et al. 2017, MNRAS, 472, L109, doi: 10.1093/mnrasl/slx161 Astropy Collaboration, Robitaille, T. P., Tollerud, E. J., et al. 2013, A&A, 558, A33, doi: 10.1051/0004-6361/201322068 Astropy Collaboration, Price-Whelan, A. M., Sip˝ ocz, B. M., et al. 2018, AJ, 156, 123, doi: 10.3847/1538-3881/aabc...
-
[2]
K., Glazebrook, K., Brinkmann, J., et al
Baldry, I. K., Glazebrook, K., Brinkmann, J., et al. 2004, ApJ, 600, 681, doi: 10.1086/380092
doi:10.1086/380092 2004
-
[3]
Balogh, M. L., Baldry, I. K., Nichol, R., et al. 2004, ApJL, 615, L101, doi: 10.1086/426079
doi:10.1086/426079 2004
-
[4]
Barnes, J. E., & Hernquist, L. E. 1991, ApJL, 370, L65, doi: 10.1086/185978
doi:10.1086/185978 1991
-
[5]
Behroozi, P., Wechsler, R. H., Hearin, A. P., & Conroy, C. 2019, MNRAS, 488, 3143, doi: 10.1093/mnras/stz1182
-
[6]
F., Wolf, C., Meisenheimer, K., et al
Bell, E. F., Wolf, C., Meisenheimer, K., et al. 2004, ApJ, 608, 752, doi: 10.1086/420778
doi:10.1086/420778 2004
-
[7]
Blank, M., Meier, L. E., Macci` o, A. V., et al. 2021, MNRAS, 500, 1414, doi: 10.1093/mnras/staa2670
-
[8]
Brinchmann, J., Charlot, S., White, S. D. M., et al. 2004, MNRAS, 351, 1151, doi: 10.1111/j.1365-2966.2004.07881.x Budav´ ari, T., Connolly, A. J., Szalay, A. S., et al. 2003, ApJ, 595, 59, doi: 10.1086/377168
arXiv 2004
Show all 130 references
-
[9]
2019, MNRAS, 487, 3845, doi: 10.1093/mnras/stz1449
Caplar, N., & Tacchella, S. 2019, MNRAS, 487, 3845, doi: 10.1093/mnras/stz1449
2019 doi
-
[10]
M., Binney, J., et al
Cattaneo, A., Faber, S. M., Binney, J., et al. 2009, Nature, 460, 213, doi: 10.1038/nature08135
2009 doi
-
[11]
2024, MNRAS, 527, 7871, doi: 10.1093/mnras/stad3709
Cenci, E., Feldmann, R., Gensior, J., et al. 2024, MNRAS, 527, 7871, doi: 10.1093/mnras/stad3709
2024 doi
-
[12]
2009, ApJ, 695, 292, doi: 10.1088/0004-637X/695/1/292
Ceverino, D., & Klypin, A. 2009, ApJ, 695, 292, doi: 10.1088/0004-637X/695/1/292
2009 doi
-
[13]
2016, A&A, 588, A41, doi: 10.1051/0004-6361/201424514
Cicone, C., Maiolino, R., & Marconi, A. 2016, A&A, 588, A41, doi: 10.1051/0004-6361/201424514
2016 doi
-
[14]
2014, A&A, 562, A21, doi: 10.1051/0004-6361/201322464
Cicone, C., Maiolino, R., Sturm, E., et al. 2014, A&A, 562, A21, doi: 10.1051/0004-6361/201322464
2014 doi
-
[15]
2024, A&A, 686, A128, doi: 10.1051/0004-6361/202348091
Ciesla, L., Elbaz, D., Ilbert, O., et al. 2024, A&A, 686, A128, doi: 10.1051/0004-6361/202348091
2024 doi
-
[16]
Ciotti, L., & Ostriker, J. P. 2007, ApJ, 665, 1038, doi: 10.1086/519833
2007 doi
-
[17]
2003, AJ, 126, 1183, doi: 10.1086/377318
Papovich, C. 2003, AJ, 126, 1183, doi: 10.1086/377318
2003 doi
-
[20]
2007, ApJ, 670, 156, doi: 10.1086/521818 De Lucia, G., Xie, L., Fontanot, F., & Hirschmann, M
Daddi, E., Dickinson, M., Morrison, G., et al. 2007, ApJ, 670, 156, doi: 10.1086/521818 De Lucia, G., Xie, L., Fontanot, F., & Hirschmann, M. 2020, MNRAS, 498, 3215, doi: 10.1093/mnras/staa2556
2007 doi
-
[21]
2006, MNRAS, 368, 2, doi: 10.1111/j.1365-2966.2006.10145.x
Dekel, A., & Birnboim, Y. 2006, MNRAS, 368, 2, doi: 10.1111/j.1365-2966.2006.10145.x
2006
-
[22]
2014, MNRAS, 438, 1870, doi: 10.1093/mnras/stt2331
Dekel, A., & Burkert, A. 2014, MNRAS, 438, 1870, doi: 10.1093/mnras/stt2331
2014 doi
-
[23]
1986, ApJ, 303, 39, doi: 10.1086/164050
Dekel, A., & Silk, J. 1986, ApJ, 303, 39, doi: 10.1086/164050
1986 doi
-
[24]
2013, MNRAS, 435, 999, doi: 10.1093/mnras/stt1338
Dekel, A., Zolotov, A., Tweed, D., et al. 2013, MNRAS, 435, 999, doi: 10.1093/mnras/stt1338
2013 doi
-
[25]
2009, Nature, 457, 451, doi: 10.1038/nature07648 Di Matteo, T., Springel, V., & Hernquist, L
Dekel, A., Birnboim, Y., Engel, G., et al. 2009, Nature, 457, 451, doi: 10.1038/nature07648 Di Matteo, T., Springel, V., & Hernquist, L. 2005, Nature, 433, 604, doi: 10.1038/nature03335
2009 doi
-
[27]
2025, MNRAS, 537, 629, doi: 10.1093/mnras/staf006
Sijacki, D. 2025, MNRAS, 537, 629, doi: 10.1093/mnras/staf006
2025 doi
-
[28]
T., McLeod, D
Donnan, C. T., McLeod, D. J., Dunlop, J. S., et al. 2023, MNRAS, 518, 6011, doi: 10.1093/mnras/stac3472
2023 doi
-
[29]
T., McLure, R
Donnan, C. T., McLure, R. J., Dunlop, J. S., et al. 2024, MNRAS, 533, 3222, doi: 10.1093/mnras/stae2037
2024 doi
-
[30]
Draine, B. T. 2011, Physics of the Interstellar and Intergalactic Medium
2011
-
[32]
2016, ApJ, 820, 131, doi: 10.3847/0004-637X/820/2/131
El-Badry, K., Wetzel, A., Geha, M., et al. 2016, ApJ, 820, 131, doi: 10.3847/0004-637X/820/2/131
2016 doi
-
[33]
2007, A&A, 468, 33, doi: 10.1051/0004-6361:20077525
Elbaz, D., Daddi, E., Le Borgne, D., et al. 2007, A&A, 468, 33, doi: 10.1051/0004-6361:20077525
2007 doi
- [34]
-
[35]
P., Whitler, L., et al
Endsley, R., Stark, D. P., Whitler, L., et al. 2024b, MNRAS, 533, 1111, doi: 10.1093/mnras/stae1857
-
[36]
M., Willmer, C
Faber, S. M., Willmer, C. N. A., Wolf, C., et al. 2007, ApJ, 665, 265, doi: 10.1086/519294
2007 doi
-
[37]
Fabian, A. C. 2012, ARA&A, 50, 455, doi: 10.1146/annurev-astro-081811-125521
2012 doi
-
[38]
A., Katz, N., Gardner, J
Fardal, M. A., Katz, N., Gardner, J. P., et al. 2001, ApJ, 562, 605, doi: 10.1086/323519 Faucher-Gigu` ere, C.-A. 2018, MNRAS, 473, 3717, doi: 10.1093/mnras/stx2595
2001 doi
-
[39]
F., Faucher-Gigu` ere, C.-A., & Kereˇ s, D
Feldmann, R., Quataert, E., Hopkins, P. F., Faucher-Gigu` ere, C.-A., & Kereˇ s, D. 2017, MNRAS, 470, 1050, doi: 10.1093/mnras/stx1120
2017 doi
-
[40]
2023, MNRAS, 522, 3831, doi: 10.1093/mnras/stad1205
Feldmann, R., Quataert, E., Faucher-Gigu` ere, C.-A., et al. 2023, MNRAS, 522, 3831, doi: 10.1093/mnras/stad1205
2023 doi
-
[41]
C., Krumholz, M
Forbes, J. C., Krumholz, M. R., Burkert, A., & Dekel, A. 2014, MNRAS, 438, 1552, doi: 10.1093/mnras/stt2294 Fortun´ e, Silvio amnd Remus, R.-S., Kimmig, L. C.,
2014 doi
-
[42]
2025, arXiv e-prints, arXiv:2503.20858, doi: 10.48550/arXiv.2503.20858
Burkert, A., & Dolag, K. 2025, arXiv e-prints, arXiv:2503.20858, doi: 10.48550/arXiv.2503.20858
2025 doi
-
[43]
R., Millman, K
Harris, C. R., Millman, K. J., van der Walt, S. J., et al. 2020, Nature, 585, 357, doi: 10.1038/s41586-020-2649-2
2020 doi
-
[44]
C., & Hopkins, P
Hayward, C. C., & Hopkins, P. F. 2017, MNRAS, 465, 1682, doi: 10.1093/mnras/stw2888
2017 doi
-
[45]
2014, MNRAS, 442, 2304, doi: 10.1093/mnras/stu1023
Hirschmann, M., Dolag, K., Saro, A., et al. 2014, MNRAS, 442, 2304, doi: 10.1093/mnras/stu1023
2014 doi
-
[46]
W., Blanton, M
Hogg, D. W., Blanton, M. R., Eisenstein, D. J., et al. 2003, ApJL, 585, L5, doi: 10.1086/374238
2003 doi
-
[47]
F., Kereˇ s, D., O˜ norbe, J., et al
Hopkins, P. F., Kereˇ s, D., O˜ norbe, J., et al. 2014a, MNRAS, 445, 581, doi: 10.1093/mnras/stu1738 —. 2014b, MNRAS, 445, 581, doi: 10.1093/mnras/stu1738
-
[48]
F., Somerville, R
Hopkins, P. F., Somerville, R. S., Hernquist, L., et al. 2006, ApJ, 652, 864, doi: 10.1086/508503
2006 doi
-
[49]
F., Wetzel, A., Kereˇ s, D., et al
Hopkins, P. F., Wetzel, A., Kereˇ s, D., et al. 2018, MNRAS, 480, 800, doi: 10.1093/mnras/sty1690
2018 doi
-
[50]
F., Wetzel, A., Wheeler, C., et al
Hopkins, P. F., Wetzel, A., Wheeler, C., et al. 2023, MNRAS, 519, 3154, doi: 10.1093/mnras/stac3489
2023 doi
-
[51]
Hunter, J. D. 2007, Computing in Science & Engineering, 9, 90, doi: 10.1109/MCSE.2007.55
2007 doi
-
[52]
G., Tacchella, S., Genel, S., et al
Iyer, K. G., Tacchella, S., Genel, S., et al. 2020, MNRAS, 498, 430, doi: 10.1093/mnras/staa2150
2020 doi
-
[53]
Katz, N., & Gunn, J. E. 1991, ApJ, 377, 365, doi: 10.1086/170367
1991 doi
- [55]
-
[56]
2023, ApJL, 942, L26, doi: 10.3847/2041-8213/ac959b
Leethochawalit, N., Trenti, M., Santini, P., et al. 2023, ApJL, 942, L26, doi: 10.3847/2041-8213/ac959b
2023 doi
-
[57]
K., Schinnerer, E., Liu, D., et al
Leslie, S. K., Schinnerer, E., Liu, D., et al. 2020, ApJ, 899, 58, doi: 10.3847/1538-4357/aba044
2020 doi
-
[58]
J., Carollo, C
Lilly, S. J., Carollo, C. M., Pipino, A., Renzini, A., & Peng, Y. 2013, ApJ, 772, 119, doi: 10.1088/0004-637X/772/2/119
2013 doi
-
[59]
2022, MNRAS, 509, 5062, doi: 10.1093/mnras/stab3228
Lu, S., Xu, D., Wang, S., et al. 2022, MNRAS, 509, 5062, doi: 10.1093/mnras/stab3228
2022 doi
-
[60]
2021, MNRAS, 503, 726, doi: 10.1093/mnras/stab497
Lu, S., Xu, D., Wang, Y., et al. 2021, MNRAS, 503, 726, doi: 10.1093/mnras/stab497
2021 doi
-
[61]
2025, ApJL, 981, L6, doi: 10.3847/2041-8213/adb4ed
Lyu, C., Wang, E., Zhang, H., et al. 2025, ApJL, 981, L6, doi: 10.3847/2041-8213/adb4ed
2025 doi
-
[62]
2014, ARA&A, 52, 415, doi: 10.1146/annurev-astro-081811-125615
Madau, P., & Dickinson, M. 2014, ARA&A, 52, 415, doi: 10.1146/annurev-astro-081811-125615
2014 doi
-
[63]
2010, MNRAS, 408, 2115, doi: 10.1111/j.1365-2966.2010.17291.x
Gnerucci, A. 2010, MNRAS, 408, 2115, doi: 10.1111/j.1365-2966.2010.17291.x
2010
-
[64]
2018, MNRAS, 480, 5113, doi: 10.1093/mnras/sty2206
Marinacci, F., Vogelsberger, M., Pakmor, R., et al. 2018, MNRAS, 480, 5113, doi: 10.1093/mnras/sty2206
2018 doi
-
[65]
C., et al
Martizzi, D., Vogelsberger, M., Artale, M. C., et al. 2019, MNRAS, 486, 3766, doi: 10.1093/mnras/stz1106
2019 doi
-
[66]
P., Patel, M
Mason, J. P., Patel, M. R., Pajola, M., et al. 2023, Journal of Geophysical Research (Planets), 128, e2023JE008002, doi: 10.1029/2023JE008002
2023 doi
-
[67]
2019, MNRAS, 484, 915, doi: 10.1093/mnras/stz030
Matthee, J., & Schaye, J. 2019, MNRAS, 484, 915, doi: 10.1093/mnras/stz030
2019 doi
-
[68]
2025, arXiv e-prints, arXiv:2503.00106, doi: 10.48550/arXiv.2503.00106
McClymont, W., Tacchella, S., Smith, A., et al. 2025, arXiv e-prints, arXiv:2503.00106, doi: 10.48550/arXiv.2503.00106
2025 doi
-
[69]
McQuinn, K. B. W., Skillman, E. D., Cannon, J. M., et al. 2010a, ApJ, 721, 297, doi: 10.1088/0004-637X/721/1/297 —. 2010b, ApJ, 724, 49, doi: 10.1088/0004-637X/724/1/49
-
[70]
J., Coil, A
Mendez, A. J., Coil, A. L., Lotz, J., et al. 2011, ApJ, 736, 110, doi: 10.1088/0004-637X/736/2/110
2011 doi
- [71]
-
[72]
J., Greene, J
Mintz, A., Setton, D. J., Greene, J. E., et al. 2025, arXiv e-prints, arXiv:2506.16510, doi: 10.48550/arXiv.2506.16510
2025 doi
-
[73]
2017, A&A, 597, A97, doi: 10.1051/0004-6361/201629409 Mu˜ noz L´ opez, C., Krajnovi´ c, D., Epinat, B., et al
Morselli, L., Popesso, P., Erfanianfar, G., & Concas, A. 2017, A&A, 597, A97, doi: 10.1051/0004-6361/201629409 Mu˜ noz L´ opez, C., Krajnovi´ c, D., Epinat, B., et al. 2025, arXiv e-prints, arXiv:2509.01710, doi: 10.48550/arXiv.2509.01710
-
[74]
Murray, N., Quataert, E., & Thompson, T. A. 2005, ApJ, 618, 569, doi: 10.1086/426067
2005 doi
-
[75]
P., Pillepich, A., Springel, V., et al
Naiman, J. P., Pillepich, A., Springel, V., et al. 2018, MNRAS, 477, 1206, doi: 10.1093/mnras/sty618 18
2018 doi
-
[76]
2018, MNRAS, 475, 624, doi: 10.1093/mnras/stx3040 —
Nelson, D., Pillepich, A., Springel, V., et al. 2018, MNRAS, 475, 624, doi: 10.1093/mnras/stx3040 —. 2019a, MNRAS, 490, 3234, doi: 10.1093/mnras/stz2306
2018 doi
-
[77]
2019b, Computational Astrophysics and Cosmology, 6, 2, doi: 10.1186/s40668-019-0028-x
Nelson, D., Springel, V., Pillepich, A., et al. 2019b, Computational Astrophysics and Cosmology, 6, 2, doi: 10.1186/s40668-019-0028-x
-
[78]
G., Weiner, B
Noeske, K. G., Weiner, B. J., Faber, S. M., et al. 2007a, ApJL, 660, L43, doi: 10.1086/517926 —. 2007b, ApJL, 660, L43, doi: 10.1086/517926
-
[79]
E., Hayward, C
Orr, M. E., Hayward, C. C., Nelson, E. J., et al. 2017, ApJL, 849, L2, doi: 10.3847/2041-8213/aa8f93
2017 doi
-
[80]
2015, ApJ, 807, 141, doi: 10.1088/0004-637X/807/2/141
Pannella, M., Elbaz, D., Daddi, E., et al. 2015, ApJ, 807, 141, doi: 10.1088/0004-637X/807/2/141
2015 doi
-
[81]
J., Wang, L., Hurley, P
Pearson, W. J., Wang, L., Hurley, P. D., et al. 2018, A&A, 615, A146, doi: 10.1051/0004-6361/201832821
2018 doi
-
[82]
2015, Nature, 521, 192, doi: 10.1038/nature14439
Peng, Y., Maiolino, R., & Cochrane, R. 2015, Nature, 521, 192, doi: 10.1038/nature14439
2015 doi
-
[83]
J., Kovaˇ c, K., et al
Peng, Y.-j., Lilly, S. J., Kovaˇ c, K., et al. 2010, ApJ, 721, 193, doi: 10.1088/0004-637X/721/1/193 P´ erez-Gonz´ alez, P. G., Costantin, L., Langeroodi, D., et al. 2023, ApJL, 951, L1, doi: 10.3847/2041-8213/acd9d0
2010 doi
-
[84]
N., Taylor, A
Perry, M. N., Taylor, A. J., Chavez Ortiz, O. A., et al. 2025, arXiv e-prints, arXiv:2510.05388, doi: 10.48550/arXiv.2510.05388
2025 doi
-
[85]
2018a, MNRAS, 475, 648, doi: 10.1093/mnras/stx3112
Pillepich, A., Nelson, D., Hernquist, L., et al. 2018a, MNRAS, 475, 648, doi: 10.1093/mnras/stx3112
-
[86]
2018b, MNRAS, 473, 4077, doi: 10.1093/mnras/stx2656
Pillepich, A., Springel, V., Nelson, D., et al. 2018b, MNRAS, 473, 4077, doi: 10.1093/mnras/stx2656
-
[87]
2019, MNRAS, 490, 3196, doi: 10.1093/mnras/stz2338 Planck Collaboration, Ade, P
Pillepich, A., Nelson, D., Springel, V., et al. 2019, MNRAS, 490, 3196, doi: 10.1093/mnras/stz2338 Planck Collaboration, Ade, P. A. R., Aghanim, N., et al. 2016, A&A, 594, A13, doi: 10.1051/0004-6361/201525830
2019 doi
-
[88]
2023, MNRAS, 519, 1526, doi: 10.1093/mnras/stac3214
Popesso, P., Concas, A., Cresci, G., et al. 2023, MNRAS, 519, 1526, doi: 10.1093/mnras/stac3214
2023 doi
-
[89]
2016, MNRAS, 460, L45, doi: 10.1093/mnrasl/slw066
Renzini, A. 2016, MNRAS, 460, L45, doi: 10.1093/mnrasl/slw066
2016 doi
-
[90]
D., Tacchella, S., et al
Robertson, B., Johnson, B. D., Tacchella, S., et al. 2024, ApJ, 970, 31, doi: 10.3847/1538-4357/ad463d
2024 doi
-
[91]
2011, ApJL, 739, L40, doi: 10.1088/2041-8205/739/2/L40
Rodighiero, G., Daddi, E., Baronchelli, I., et al. 2011, ApJL, 739, L40, doi: 10.1088/2041-8205/739/2/L40
2011 doi
-
[92]
2022, ARA&A, 60, 319, doi: 10.1146/annurev-astro-021022-043545
Saintonge, A., & Catinella, B. 2022, ARA&A, 60, 319, doi: 10.1146/annurev-astro-021022-043545
2022 doi
-
[93]
2014, Serbian Astronomical Journal, 189, 1, doi: 10.2298/SAJ1489001S
Salim, S. 2014, Serbian Astronomical Journal, 189, 1, doi: 10.2298/SAJ1489001S
2014 doi
-
[94]
M., Charlot, S., et al
Salim, S., Rich, R. M., Charlot, S., et al. 2007, ApJS, 173, 267, doi: 10.1086/519218
2007 doi
-
[96]
2015, A&A, 575, A74, doi: 10.1051/0004-6361/201425017
Schreiber, C., Pannella, M., Elbaz, D., et al. 2015, A&A, 575, A74, doi: 10.1051/0004-6361/201425017
2015 doi
-
[97]
2023, MNRAS, 525, 3254, doi: 10.1093/mnras/stad2508
Shen, X., Vogelsberger, M., Boylan-Kolchin, M., Tacchella, S., & Kannan, R. 2023, MNRAS, 525, 3254, doi: 10.1093/mnras/stad2508
2023 doi
-
[98]
Semenov, V. A. 2023, ApJ, 947, 61, doi: 10.3847/1538-4357/acc251
2023 doi
-
[99]
J., Lintott, C
Smethurst, R. J., Lintott, C. J., Simmons, B. D., et al. 2015, MNRAS, 450, 435, doi: 10.1093/mnras/stv161
2015 doi
-
[100]
E., et al
Smith, D., Haberzettl, L., Porter, L. E., et al. 2022, MNRAS, 517, 4575, doi: 10.1093/mnras/stac2258
2022 doi
-
[101]
S., & Dav´ e, R
Somerville, R. S., & Dav´ e, R. 2015, ARA&A, 53, 51, doi: 10.1146/annurev-astro-082812-140951
2015 doi
-
[102]
C., Feldmann, R., et al
Sparre, M., Hayward, C. C., Feldmann, R., et al. 2017, MNRAS, 466, 88, doi: 10.1093/mnras/stw3011
2017 doi
-
[103]
Silverman, J. D. 2014a, ApJS, 214, 15, doi: 10.1088/0067-0049/214/2/15 —. 2014b, ApJS, 214, 15, doi: 10.1088/0067-0049/214/2/15
-
[104]
2010, MNRAS, 401, 791, doi: 10.1111/j.1365-2966.2009.15715.x
Springel, V. 2010, MNRAS, 401, 791, doi: 10.1111/j.1365-2966.2009.15715.x
2010
-
[105]
2005, MNRAS, 361, 776, doi: 10.1111/j.1365-2966.2005.09238.x
Springel, V., Di Matteo, T., & Hernquist, L. 2005, MNRAS, 361, 776, doi: 10.1111/j.1365-2966.2005.09238.x
2005
-
[106]
2003, MNRAS, 339, 289, doi: 10.1046/j.1365-8711.2003.06206.x
Springel, V., & Hernquist, L. 2003, MNRAS, 339, 289, doi: 10.1046/j.1365-8711.2003.06206.x
2003
-
[107]
Springel, V., White, S. D. M., Tormen, G., & Kauffmann, G. 2001, MNRAS, 328, 726, doi: 10.1046/j.1365-8711.2001.04912.x
2001
-
[108]
2018, MNRAS, 475, 676, doi: 10.1093/mnras/stx3304
Springel, V., Pakmor, R., Pillepich, A., et al. 2018, MNRAS, 475, 676, doi: 10.1093/mnras/stx3304
2018 doi
-
[109]
R., et al
Strateva, I., Ivezi´ c,ˇZ., Knapp, G. R., et al. 2001, AJ, 122, 1861, doi: 10.1086/323301
2001 doi
-
[110]
C., & Shen, X
Sun, G., Faucher-Gigu` ere, C.-A., Hayward, C. C., & Shen, X. 2023, MNRAS, 526, 2665, doi: 10.1093/mnras/stad2902
2023 doi
-
[111]
Johnson, B. D. 2018, ApJ, 868, 92, doi: 10.3847/1538-4357/aae8e0
2018 doi
-
[112]
M., et al
Tacchella, S., Dekel, A., Carollo, C. M., et al. 2016, MNRAS, 457, 2790, doi: 10.1093/mnras/stw131
2016 doi
-
[113]
C., & Caplar, N
Tacchella, S., Forbes, J. C., & Caplar, N. 2020, MNRAS, 497, 698, doi: 10.1093/mnras/staa1838
2020 doi
-
[114]
Tacchella, S., Trenti, M., & Carollo, C. M. 2013, ApJL, 768, L37, doi: 10.1088/2041-8205/768/2/L37
2013 doi
-
[115]
M., et al
Tacchella, S., Conroy, C., Faber, S. M., et al. 2022, ApJ, 926, 134, doi: 10.3847/1538-4357/ac449b
2022 doi
-
[116]
2009, ARA&A, 47, 371, doi: 10.1146/annurev-astro-082708-101650 19
Tolstoy, E., Hill, V., & Tosi, M. 2009, ARA&A, 47, 371, doi: 10.1146/annurev-astro-082708-101650 19
2009 doi
-
[117]
2019, MNRAS, 484, 5587, doi: 10.1093/mnras/stz243
Torrey, P., Vogelsberger, M., Marinacci, F., et al. 2019, MNRAS, 484, 5587, doi: 10.1093/mnras/stz243
2019 doi
-
[118]
B., Mould, J
Tully, R. B., Mould, J. R., & Aaronson, M. 1982, ApJ, 257, 527, doi: 10.1086/160009 van Loon, M. L., Mitchell, P. D., & Schaye, J. 2021, MNRAS, 504, 4817, doi: 10.1093/mnras/stab1254
1982 doi
-
[119]
E., et al
Virtanen, P., Gommers, R., Oliphant, T. E., et al. 2020, Nature Methods, 17, 261, doi: 10.1038/s41592-019-0686-2
2020 doi
-
[120]
2012, MNRAS, 425, 3024, doi: 10.1111/j.1365-2966.2012.21590.x
Hernquist, L. 2012, MNRAS, 425, 3024, doi: 10.1111/j.1365-2966.2012.21590.x
2012
-
[121]
T., Tacchella, S., D’Eugenio, F., Johnson, B
Wan, J. T., Tacchella, S., D’Eugenio, F., Johnson, B. D., & van der Wel, A. 2025, MNRAS, 539, 2891, doi: 10.1093/mnras/staf657
2025 doi
-
[122]
T., Tacchella, S., Johnson, B
Wan, J. T., Tacchella, S., Johnson, B. D., et al. 2024, MNRAS, 532, 4002, doi: 10.1093/mnras/stae1734
2024 doi
-
[123]
2020, MNRAS, 495, 1958, doi: 10.1093/mnras/staa1325
Wang, B., Cappellari, M., Peng, Y., & Graham, M. 2020, MNRAS, 495, 1958, doi: 10.1093/mnras/staa1325
2020 doi
-
[124]
2025, Nature Astronomy, 9, 165, doi: 10.1038/s41550-024-02376-8
Wang, B., Peng, Y., & Cappellari, M. 2025, Nature Astronomy, 9, 165, doi: 10.1038/s41550-024-02376-8
2025 doi
-
[125]
2018, ApJ, 865, 49, doi: 10.3847/1538-4357/aadb9e
Wang, E., Kong, X., & Pan, Z. 2018, ApJ, 865, 49, doi: 10.3847/1538-4357/aadb9e
2018 doi
-
[126]
Wang, E., & Lilly, S. J. 2020, ApJ, 892, 87, doi: 10.3847/1538-4357/ab7b7d —. 2021, ApJ, 910, 137, doi: 10.3847/1538-4357/abe413 —. 2022a, ApJ, 927, 217, doi: 10.3847/1538-4357/ac49ed —. 2022b, ApJ, 929, 95, doi: 10.3847/1538-4357/ac5e31 —. 2023a, ApJ, 944, 143, doi: 10.3847/1...
2020 doi
-
[127]
J., Pezzulli, G., & Matthee, J
Wang, E., Lilly, S. J., Pezzulli, G., & Matthee, J. 2019, ApJ, 877, 132, doi: 10.3847/1538-4357/ab1c5b
2019 doi
-
[128]
2022, MNRAS, 509, 3148, doi: 10.1093/mnras/stab3167
Wang, S., Xu, D., Lu, S., et al. 2022, MNRAS, 509, 3148, doi: 10.1093/mnras/stab3167
2022 doi
-
[129]
R., Dalcanton, J
Weisz, D. R., Dalcanton, J. J., Williams, B. F., et al. 2011, ApJ, 739, 5, doi: 10.1088/0004-637X/739/1/5
2011 doi
-
[130]
2012a, ApJL, 754, L29, doi: 10.1088/2041-8205/754/2/L29 —
Franx, M. 2012a, ApJL, 754, L29, doi: 10.1088/2041-8205/754/2/L29 —. 2012b, ApJL, 754, L29, doi: 10.1088/2041-8205/754/2/L29
-
[131]
White, S. D. M., & Rees, M. J. 1978, MNRAS, 183, 341, doi: 10.1093/mnras/183.3.341
1978 doi
-
[132]
P., Topping, M
Whitler, L., Stark, D. P., Topping, M. W., et al. 2025, arXiv e-prints, arXiv:2501.00984, doi: 10.48550/arXiv.2501.00984
2025 doi
-
[133]
M., van der Wel, A., et al
Wuyts, S., F¨ orster Schreiber, N. M., van der Wel, A., et al. 2011, ApJ, 742, 96, doi: 10.1088/0004-637X/742/2/96
2011 doi
-
[134]
2023, ApJ, 958, 34, doi: 10.3847/1538-4357/acfa6b
Yin, J., Shen, S., & Hao, L. 2023, ApJ, 958, 34, doi: 10.3847/1538-4357/acfa6b
2023 doi
-
[135]
E., et al
Zhang, J., Wuyts, S., Cutler, S. E., et al. 2023, MNRAS, 524, 4128, doi: 10.1093/mnras/stad2066
2023 doi
-
[136]
2015, MNRAS, 450, 2327, doi: 10.1093/mnras/stv740
Zolotov, A., Dekel, A., Mandelker, N., et al. 2015, MNRAS, 450, 2327, doi: 10.1093/mnras/stv740
2015 doi
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