pith. sign in

arxiv: 2606.01823 · v1 · pith:BNDJILENnew · submitted 2026-06-01 · 🌌 astro-ph.HE

A 0.03 Hz Radio Quasi-periodic Oscillation During the 2025 Flare of GRS 1915+105

Ya Xing Li , Lei Liu , Wu Jiang , Zhen Yan , Bo Xia , Zhi Qiang Shen This is my paper

Pith reviewed 2026-06-28 13:37 UTC · model grok-4.3

classification 🌌 astro-ph.HE
keywords GRS 1915+105quasi-periodic oscillationradio flaremicroquasaraccretion-jet systemtiming analysisS-band X-band
0
0 comments X

The pith

A 0.03 Hz QPO recurs in radio observations of GRS 1915+105 at two wavelengths during its 2025 flare.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper reports the detection of a quasi-periodic oscillation at about 0.03 Hz along with its harmonic at 0.06 Hz in high time resolution radio data from the microquasar GRS 1915+105. The signal appears in both the 2.25 GHz and 8.42 GHz bands during two consecutive observations of a bright flare in 2025, with the frequency matching earlier detections from previous years. The authors note that the recurrence and lack of dependence on radio wavelength point to an intrinsic characteristic timescale of the accretion-jet system. A sympathetic reader would care because this could identify a stable clock in the inner regions of the system that operates independently of the specific radio emission process.

Core claim

The central claim is that a significant QPO at ~0.03 Hz (and harmonic ~0.06 Hz) was detected in both radio bands on MJD 60765 (>5.9 sigma) and MJD 60772 (2.8 sigma), with the frequency identical across bands and consistent with prior observations. The recurrence and wavelength independence of the QPO frequency indicate an intrinsic characteristic timescale of the accretion-jet system.

What carries the argument

The QPO frequency and its measured constancy across radio wavelengths and observation epochs.

If this is right

  • The QPO frequency represents a stable dynamical timescale that persists across different radio emission wavelengths.
  • The same frequency in both bands indicates the oscillation originates upstream of the radio-emitting regions rather than in wavelength-dependent propagation effects.
  • Continued monitoring can test whether this 0.03 Hz signal appears in future flares or other activity states of GRS 1915+105.
  • The harmonic at 0.06 Hz suggests a nonlinear process that generates overtones of the fundamental timescale.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • If the 0.03 Hz timescale corresponds to a dynamical frequency near the black hole, it could be compared with X-ray QPOs or timing features to map radial locations in the accretion flow.
  • Detection of analogous low-frequency signals in other microquasars would test whether this timescale is universal or specific to GRS 1915+105 parameters.
  • Simultaneous radio and X-ray observations during flares could check whether the radio QPO phase aligns with higher-energy variability at related frequencies.

Load-bearing premise

That the reported periodic signal is astrophysical and not produced by instrumental noise, baseline effects, or post-selection of flare epochs, given that only two consecutive observations are highlighted and full time-series analysis details are not provided in the abstract.

What would settle it

Re-processing the raw time series from the two telescopes and finding that the periodicity falls below 3 sigma significance when all available data are included without epoch selection or when alternative noise models are applied would falsify the intrinsic QPO claim.

Figures

Figures reproduced from arXiv: 2606.01823 by Bo Xia, Lei Liu, Wu Jiang, Ya Xing Li, Zhen Yan, Zhi Qiang Shen.

Figure 1
Figure 1. Figure 1: The radio and X-ray lightcurves of the 2025 flare from MJD 60646 to MJD 60814. The two red dashed lines mark the observation dates with QPO detection. (a) The radio flux densities at 2.25 and 8.42 GHz. (b) The radio spectral index. (c) The blue points represent the NICER light curve of count rate and the orange points represent the luminosity in energy band 1–10 keV. 2.3. NICER data reduction and analysis … view at source ↗
Figure 2
Figure 2. Figure 2: Averaged PDS, Averaged LS periodogram and dynamic PDS of the observations on MJD 60765 (top two rows) and MJD 60772 (bottom two rows). The first and third rows present the results for the S-band, while the second and fourth rows present the X-band results. For each observation date and band, the left column displays the observed averaged PDS (black data points with error bars), the middle column displays t… view at source ↗
Figure 3
Figure 3. Figure 3: The distributions of the maximum TR from each simulated data for the corresponding wavebands. TR = max(2Ij/Sj ) is calculated from each simulated PDS and LS periodogram, where Ij is the power at frequency fj and Sj is the best-fit power-law value at that frequency. The red and green dashed lines indicate T obs R at the fundamental and harmonic frequencies, respectively. 3.2. Short term variability of radio… view at source ↗
read the original abstract

Our weekly-cadence radio monitoring campaign captured a bright flare in 2025 from the microquasar GRS 1915+105, observed simultaneously in the S- and X-bands (2.25 GHz and 8.42 GHz) with a short single baseline of two radio telescopes in Shanghai. Through high time resolution analysis, we detected a significant and short-lived quasi-periodic oscillation (QPO) at $\sim$0.03 Hz and its harmonic ($\sim$0.06 Hz) in both radio bands of two consecutive observations on MJD 60765 ($>5.9 \sigma$) and MJD 60772 (2.8$\sigma$). Crucially, the QPO frequency is identical in both radio bands and matches oscillations detected in previous years. The recurrence and wavelength independence of the QPO frequency suggest an intrinsic characteristic timescale of the accretion-jet system.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

3 major / 0 minor

Summary. The manuscript reports the detection of a ~0.03 Hz quasi-periodic oscillation (QPO) and its ~0.06 Hz harmonic in single-baseline radio observations of the microquasar GRS 1915+105 during its 2025 flare. The signal appears in both S-band (2.25 GHz) and X-band (8.42 GHz) during two consecutive epochs (MJD 60765 at >5.9σ and MJD 60772 at 2.8σ), matches the frequency seen in prior years, and is interpreted as evidence for an intrinsic characteristic timescale of the accretion-jet system.

Significance. If the detection is robust against instrumental artifacts, the result would be significant because it demonstrates recurrence of the same QPO frequency across multiple years and independence from observing wavelength in a microquasar, strengthening the case for a stable physical timescale tied to the accretion or jet-launching region.

major comments (3)
  1. [Abstract] Abstract: the claimed significances (>5.9σ on MJD 60765 and 2.8σ on MJD 60772) are stated without any accompanying power spectrum, description of the periodogram algorithm, red-noise model, false-alarm probability calculation, window function, or trial-factor correction. These elements are required to evaluate whether the low-frequency signal could arise from atmospheric or baseline effects that commonly affect single-baseline radio light curves.
  2. [Abstract] Abstract: the analysis is restricted to two consecutive observations selected from a weekly-cadence campaign, yet no information is given on the total number of epochs examined, the criteria used to identify the flare, or any correction for the look-elsewhere effect arising from post-hoc choice of the highlighted epochs.
  3. [Abstract] Abstract: the assertion that the QPO frequency is identical across bands and matches previous detections is presented without quoted frequency values, uncertainties, or the precise measurement method (e.g., Lorentzian centroid or peak-finding algorithm), preventing quantitative assessment of the claimed recurrence and wavelength independence.

Simulated Author's Rebuttal

3 responses · 0 unresolved

We thank the referee for their careful reading of our manuscript and for providing constructive comments. We respond to each major comment below. We have revised the manuscript to address the concerns raised, primarily by enhancing the abstract with additional details on the analysis and results.

read point-by-point responses

  1. Referee: [Abstract] Abstract: the claimed significances (>5.9σ on MJD 60765 and 2.8σ on MJD 60772) are stated without any accompanying power spectrum, description of the periodogram algorithm, red-noise model, false-alarm probability calculation, window function, or trial-factor correction. These elements are required to evaluate whether the low-frequency signal could arise from atmospheric or baseline effects that commonly affect single-baseline radio light curves.

    Authors: The abstract is limited in length and therefore omits the detailed description of the analysis methods. These are fully described in the body of the manuscript, including the periodogram algorithm, red-noise model, false-alarm probability calculation, window function, and trial-factor correction. We have revised the abstract to include a concise statement on the significance determination and a reference to the relevant sections for readers seeking the technical details. revision: yes

  2. Referee: [Abstract] Abstract: the analysis is restricted to two consecutive observations selected from a weekly-cadence campaign, yet no information is given on the total number of epochs examined, the criteria used to identify the flare, or any correction for the look-elsewhere effect arising from post-hoc choice of the highlighted epochs.

    Authors: The abstract highlights the key detections but does not provide the full context of the observing campaign. The manuscript details the weekly-cadence monitoring, the total number of epochs observed, and the criteria for identifying the flare based on flux levels. We have updated the abstract to mention the campaign parameters and the selection of the epochs. We have also added a discussion of the look-elsewhere effect and the corrections applied in the analysis. revision: yes

  3. Referee: [Abstract] Abstract: the assertion that the QPO frequency is identical across bands and matches previous detections is presented without quoted frequency values, uncertainties, or the precise measurement method (e.g., Lorentzian centroid or peak-finding algorithm), preventing quantitative assessment of the claimed recurrence and wavelength independence.

    Authors: We agree that the abstract does not quote the precise frequency values or uncertainties. The manuscript reports the frequencies measured via Lorentzian fitting to the periodogram peaks, along with their uncertainties, and compares them to previous detections. We have revised the abstract to include the measured frequency values with uncertainties and to specify the measurement method. revision: yes

Circularity Check

0 steps flagged

No circularity: purely observational frequency measurement from data

full rationale

The paper presents a direct detection of ~0.03 Hz QPO and harmonic in radio light curves from two epochs, with the frequency stated as measured from the observations and noted to match prior detections. No equations, model fitting, or derivation chain are described that would reduce the reported frequency to a fitted parameter, self-citation, or input by construction. The claim of intrinsic timescale follows from the observational recurrence and band-independence, without any self-referential step. This is a standard observational report; the central result does not reduce to its own inputs.

Axiom & Free-Parameter Ledger

0 free parameters · 1 axioms · 0 invented entities

Observational detection paper; no free parameters, invented entities, or non-standard axioms are introduced. Relies on standard radio interferometry and time-series statistics.

axioms (1)
  • domain assumption Standard statistical thresholds for claiming QPO detection in unevenly sampled radio light curves
    Invoked when stating >5.9 sigma and 2.8 sigma significances without detailing the exact test or red-noise model used.

pith-pipeline@v0.9.1-grok · 5706 in / 1310 out tokens · 22413 ms · 2026-06-28T13:37:55.897984+00:00 · methodology

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.

Reference graph

Works this paper leans on

90 extracted references · 81 canonical work pages · 34 internal anchors

  1. [1]

    An Accretion-Ejection Instability in magnetized disks

    An accretion-ejection instability in magnetized disks. , keywords =. doi:10.48550/arXiv.astro-ph/9907267 , archivePrefix =. astro-ph/9907267 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.48550/arxiv.astro-ph/9907267

  2. [2]

    Magnetic floods: a scenario for the variability of the microquasar GRS 1915+105

    Magnetic Floods: A Scenario for the Variability of the Microquasar GRS 1915+105. , keywords =. doi:10.1086/383232 , archivePrefix =. astro-ph/0401539 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/383232 1915

  3. [3]

    , keywords =

    RXTE Observations of QPOs in the Black Hole Candidate GRS 1915+105. , keywords =. doi:10.1086/304191 , adsurl =

    work page doi:10.1086/304191 1915

  4. [4]

    arXiv e-prints , keywords =

    Comprehensive X-ray Spectral-timing Analysis of GRS 1915+105 Based on Insight-HXMT Observations. arXiv e-prints , keywords =. doi:10.48550/arXiv.2510.10017 , archivePrefix =. 2510.10017 , primaryClass =

    work page doi:10.48550/arxiv.2510.10017 1915

  5. [5]

    Electromagnetic extraction of energy from Kerr black holes.Mon

    Electromagnetic extraction of energy from Kerr black holes. , keywords =. doi:10.1093/mnras/179.3.433 , adsurl =

    work page doi:10.1093/mnras/179.3.433

  6. [6]

    Hydromagnetic flows from accretion disks and the production of radio jets

    Hydromagnetic flows from accretion disks and the production of radio jets. , keywords =. doi:10.1093/mnras/199.4.883 , adsurl =

    work page doi:10.1093/mnras/199.4.883

  7. [7]

    Precise mass and spin measurements for a stellar-mass black hole through X-ray timing: the case of GRO J1655-40

    Precise mass and spin measurements for a stellar-mass black hole through X-ray timing: the case of GRO J1655-40. , keywords =. doi:10.1093/mnras/stt2068 , archivePrefix =. 1309.3652 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/stt2068

  8. [8]

    , year = 2009, month = mar, volume =

    Accretion disk winds as the jet suppression mechanism in the microquasar GRS 1915+105. , year = 2009, month = mar, volume =. doi:10.1038/nature07680 , adsurl =

    work page doi:10.1038/nature07680 1915

  9. [9]

    A jet model for the fast IR variability of the black hole X-ray binary GX 339-4

    A jet model for the fast IR variability of the black hole X-ray binary GX 339-4. , keywords =. doi:10.1093/mnras/sty2006 , archivePrefix =. 1807.09835 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/sty2006

  10. [10]

    DiFX: A software correlator for very long baseline interferometry using multi-processor computing environments

    DiFX: A Software Correlator for Very Long Baseline Interferometry Using Multiprocessor Computing Environments. , keywords =. doi:10.1086/513572 , archivePrefix =. astro-ph/0702141 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/513572

  11. [11]

    First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring. , keywords =. doi:10.3847/2041-8213/ab0f43 , archivePrefix =. 1906.11242 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/2041-8213/ab0f43 2041

  12. [12]

    , keywords =

    Bardeen-Petterson alignment, jets, and magnetic truncation in GRMHD simulations of tilted thin accretion discs. , keywords =. doi:10.1093/mnras/stz834 , archivePrefix =. 1810.00883 , primaryClass =

    work page doi:10.1093/mnras/stz834

  13. [13]

    , keywords =

    Disc tearing and Bardeen-Petterson alignment in GRMHD simulations of highly tilted thin accretion discs. , keywords =. doi:10.1093/mnras/staa099 , archivePrefix =. 1904.08428 , primaryClass =

    work page doi:10.1093/mnras/staa099 1904

  14. [14]

    Global General Relativistic MHD Simulation of a Tilted Black-Hole Accretion Disk

    Global General Relativistic Magnetohydrodynamic Simulation of a Tilted Black Hole Accretion Disk. , keywords =. doi:10.1086/521092 , archivePrefix =. 0706.4303 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/521092

  15. [15]

    Nature Astronomy , keywords =

    Co-precession of a curved jet and compact accretion disk in M87. Nature Astronomy , keywords =. doi:10.1038/s41550-025-02580-0 , archivePrefix =. 2410.10965 , primaryClass =

    work page doi:10.1038/s41550-025-02580-0

  16. [16]

    , keywords =

    Precessing jet nozzle connecting to a spinning black hole in M87. , keywords =. doi:10.1038/s41586-023-06479-6 , archivePrefix =. 2310.09015 , primaryClass =

    work page doi:10.1038/s41586-023-06479-6

  17. [17]

    U ber den Einflu der Eigenrotation der Zentralk \

    \"U ber den Einflu der Eigenrotation der Zentralk \"o rper auf die Bewegung der Planeten und Monde nach der Einsteinschen Gravitationstheorie. Physikalische Zeitschrift , year = 1918, month = jan, volume =

    1918

  18. [18]

    Optimal binning of X-ray spectra and response matrix design

    Optimal binning of X-ray spectra and response matrix design. , keywords =. doi:10.1051/0004-6361/201527395 , archivePrefix =. 1601.05309 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1051/0004-6361/201527395

  19. [19]

    The Astronomer's Telegram , keywords =

    New short-time radio and X-ray flare from GRS1915+105. The Astronomer's Telegram , keywords =

  20. [20]

    The Astronomer's Telegram , keywords =

    Giant radio flare from GRS1915+105. The Astronomer's Telegram , keywords =

  21. [21]

    The Astronomer's Telegram , keywords =

    New radio flare from GRS 1915+105. The Astronomer's Telegram , keywords =

    1915

  22. [22]

    , keywords =

    Disc-jet coupling in the 2009 outburst of the black hole candidate H1743-322. , keywords =. doi:10.1111/j.1365-2966.2011.20326.x , archivePrefix =. 1201.1678 , primaryClass =

    work page doi:10.1111/j.1365-2966.2011.20326.x 2009

  23. [23]

    , keywords =

    Transitions and Origin of the Type-B Quasi-periodic Oscillations in the Black Hole X-Ray Binary MAXI J1348-630. , keywords =. doi:10.3847/1538-4357/ac88c6 , archivePrefix =. 2208.07066 , primaryClass =

    work page doi:10.3847/1538-4357/ac88c6

  24. [24]

    , keywords =

    Fast transitions of X-ray variability in the black hole transient GX 339-4: comparison with MAXI J1820+070 and MAXI J1348-630. , keywords =. doi:10.1093/mnras/stad795 , archivePrefix =. 2303.07588 , primaryClass =

    work page doi:10.1093/mnras/stad795

  25. [25]

    , keywords =

    Intermittent properties of the quasi-periodic oscillations of MAXI J1820+070 revealed by Insight-HXMT. , keywords =. doi:10.1051/0004-6361/202346309 , archivePrefix =. 2307.07709 , primaryClass =

    work page doi:10.1051/0004-6361/202346309

  26. [26]

    The Astronomer's Telegram , keywords =

    The bright radio flare from microquasar GRS 1915+105. The Astronomer's Telegram , keywords =

    1915

  27. [27]

    , year = 1992, month = aug, volume =

    GRS 1915+105. , year = 1992, month = aug, volume =

    1915

  28. [28]

    A Persistent Disk Wind in GRS 1915+105 with NICER

    A Persistent Disk Wind in GRS 1915+105 with NICER. , keywords =. doi:10.3847/2041-8213/aaca96 , archivePrefix =. 1806.02342 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/2041-8213/aaca96 1915

  29. [29]

    , keywords =

    A NICER View of a Highly Absorbed Flare in GRS 1915+105. , keywords =. doi:10.3847/1538-4357/abb598 , archivePrefix =. 2010.14512 , primaryClass =

    work page doi:10.3847/1538-4357/abb598 1915

  30. [30]

    , keywords =

    An Obscured, Seyfert 2-like State of the Stellar-mass Black Hole GRS 1915+105 Caused by Failed Disk Winds. , keywords =. doi:10.3847/1538-4357/abbb31 , archivePrefix =. 2007.07005 , primaryClass =

    work page doi:10.3847/1538-4357/abbb31 1915

  31. [31]

    The Chandra HETGS and RXTE view of GRS 1915+105

    High-Resolution Chandra HETGS and Rossi X-Ray Timing Explorer Observations of GRS 1915+105: A Hot Disk Atmosphere and Cold Gas Enriched in Iron and Silicon. , keywords =. doi:10.1086/338588 , archivePrefix =. astro-ph/0208187 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/338588 1915

  32. [32]

    Particle acceleration in relativistic collisionless shocks: Fermi process at last?

    Particle Acceleration in Relativistic Collisionless Shocks: Fermi Process at Last?. , keywords =. doi:10.1086/590248 , archivePrefix =. 0802.3216 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/590248

  33. [33]

    A Parallax Distance to the Microquasar GRS 1915+105 and a Revised Estimate of its Black Hole Mass

    A Parallax Distance to the Microquasar GRS 1915+105 and a Revised Estimate of its Black Hole Mass. , keywords =. doi:10.1088/0004-637X/796/1/2 , archivePrefix =. 1409.2453 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/796/1/2 1915

  34. [34]

    Nature Astronomy , keywords =

    Discovery of oscillations above 200 keV in a black hole X-ray binary with Insight-HXMT. Nature Astronomy , keywords =. doi:10.1038/s41550-020-1192-2 , archivePrefix =. 2009.10607 , primaryClass =

    work page doi:10.1038/s41550-020-1192-2 2009

  35. [35]

    , year = 2025, month = feb, volume =

    Rapid mid-infrared spectral timing with JWST: GRS 1915+105 during an MIR-bright and X-ray-obscured state. , year = 2025, month = feb, volume =. doi:10.1093/mnras/staf036 , adsurl =

    work page doi:10.1093/mnras/staf036 1915

  36. [36]

    An unstable central disk in the superluminal black-hole X-ray binary GRS 1915+105

    An Unstable Central Disk in the Superluminal Black Hole X-Ray Binary GRS 1915+105. , keywords =. doi:10.1086/310595 , archivePrefix =. astro-ph/9702048 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/310595 1915

  37. [37]

    , keywords =

    A systematic analysis of the phase lags associated with the type-C quasi-periodic oscillation in GRS 1915+105. , keywords =. doi:10.1093/mnras/staa797 , archivePrefix =. 2003.08928 , primaryClass =

    work page doi:10.1093/mnras/staa797 1915

  38. [38]

    Extreme Jet Ejections from the Black Hole X-ray Binary V404 Cygni

    Extreme jet ejections from the black hole X-ray binary V404 Cygni. , keywords =. doi:10.1093/mnras/stx1048 , archivePrefix =. 1704.08726 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/stx1048

  39. [39]

    , keywords =

    Comprehensive coverage of particle acceleration and kinetic feedback from the stellar mass black hole V404 Cygni. , keywords =. doi:10.1093/mnras/stac1836 , archivePrefix =. 2206.09831 , primaryClass =

    work page doi:10.1093/mnras/stac1836

  40. [40]

    , keywords =

    On the Distances to the X-Ray Binaries Cygnus X-3 and GRS 1915+105. , keywords =. doi:10.3847/1538-4357/acfe0c , archivePrefix =. 2309.15027 , primaryClass =

    work page doi:10.3847/1538-4357/acfe0c 1915

  41. [41]

    , keywords =

    On generating power law noise. , keywords =

  42. [42]

    , keywords =

    A Bayesian test for periodic signals in red noise. , keywords =. doi:10.1111/j.1365-2966.2009.15868.x , archivePrefix =. 0910.2706 , primaryClass =

    work page doi:10.1111/j.1365-2966.2009.15868.x 2009

  43. [43]

    The hard TeV spectrum of 1ES 0229+200: New clues from Swift.Mon

    Low-frequency quasi-periodic oscillations spectra and Lense-Thirring precession. , keywords =. doi:10.1111/j.1745-3933.2009.00693.x , archivePrefix =. 0901.1238 , primaryClass =

    work page doi:10.1111/j.1745-3933.2009.00693.x 2009

  44. [44]

    Detection of Very Low-Frequency Quasi-Periodic Oscillations in the 2015 Outburst of V404 Cygni

    Detection of Very Low-frequency, Quasi-periodic Oscillations in the 2015 Outburst of V404 Cygni. , keywords =. doi:10.3847/1538-4357/834/1/90 , archivePrefix =. 1610.08653 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/1538-4357/834/1/90 2015

  45. [45]

    A Unified Description of the Timing Features of Accreting X-ray Binaries

    A Unified Description of the Timing Features of Accreting X-Ray Binaries. , keywords =. doi:10.1086/340290 , archivePrefix =. astro-ph/0202213 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/340290

  46. [46]

    , keywords =

    Stingray: A Modern Python Library for Spectral Timing. , keywords =. doi:10.3847/1538-4357/ab258d , archivePrefix =. 1901.07681 , primaryClass =

    work page doi:10.3847/1538-4357/ab258d 1901

  47. [47]

    Understanding the Lomb-Scargle Periodogram

    Understanding the Lomb-Scargle Periodogram. , keywords =. doi:10.3847/1538-4365/aab766 , archivePrefix =. 1703.09824 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.3847/1538-4365/aab766

  48. [48]

    , keywords =

    Synchrotron self-absorption and the minimum energy of optically thick radio flares from stellar mass black holes. , keywords =. doi:10.1093/mnras/stz2000 , archivePrefix =. 1907.07463 , primaryClass =

    work page doi:10.1093/mnras/stz2000 1907

  49. [49]

    , keywords =

    The low-frequency structure of powerful radio sources and limits to departures from equipartition. , keywords =. doi:10.1093/mnras/180.4.539 , adsurl =

    work page doi:10.1093/mnras/180.4.539

  50. [50]

    The sedentary multifrequency survey—I

    MERLIN observations of relativistic ejections from GRS 1915+105. , keywords =. doi:10.1046/j.1365-8711.1999.02364.x , archivePrefix =. astro-ph/9812150 , primaryClass =

    work page doi:10.1046/j.1365-8711.1999.02364.x 1915

  51. [51]

    , year = 1966, month = sep, volume =

    A Model for Variable Extragalactic Radio Sources. , year = 1966, month = sep, volume =. doi:10.1038/2111131a0 , adsurl =

    work page doi:10.1038/2111131a0 1966

  52. [52]

    , keywords =

    Dimming GRS 1915+105 observed with NICER and Insight HXMT. , keywords =. doi:10.1051/0004-6361/202451558 , archivePrefix =. 2501.03804 , primaryClass =

    work page doi:10.1051/0004-6361/202451558 1915

  53. [53]

    , keywords =

    An Unusual Change in the Radio Jets of GRS 1915+105. , keywords =. doi:10.3847/1538-4357/adda33 , archivePrefix =. 2503.01105 , primaryClass =

    work page doi:10.3847/1538-4357/adda33 1915

  54. [54]

    The variable radio emission from GRS 1915+105

    The variable radio emission from GRS 1915+=105. , keywords =. doi:10.1093/mnras/292.4.925 , archivePrefix =. astro-ph/9708171 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/292.4.925 1915

  55. [55]

    A rapidly-changing jet orientation in the stellar-mass black hole V404 Cygni

    A rapidly changing jet orientation in the stellar-mass black-hole system V404 Cygni. , keywords =. doi:10.1038/s41586-019-1152-0 , archivePrefix =. 1906.05400 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1038/s41586-019-1152-0 1906

  56. [56]

    , year = 1994, month = sep, volume =

    A superluminal source in the Galaxy. , year = 1994, month = sep, volume =. doi:10.1038/371046a0 , adsurl =

    work page doi:10.1038/371046a0 1994

  57. [57]

    Astronomy Letters , year = 1999, month = nov, volume =

    The X-ray source GRS 1915 + 105: The low-luminosity state and transitions between the states during 1996-1997 (RXTE observations). Astronomy Letters , year = 1999, month = nov, volume =

    1915

  58. [58]

    Mid-Infrared observations of GRS 1915+105 during plateau and flaring states

    Mid-infrared observations of GRS 1915+105 during plateau and flaring states. , keywords =. doi:10.1051/0004-6361:20030562 , archivePrefix =. astro-ph/0304344 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1051/0004-6361:20030562 1915

  59. [59]

    On the origin of the various types of radio emission in GRS 1915+105

    On the Origin of the Various Types of Radio Emission in GRS 1915+105. , keywords =. doi:10.1086/378672 , archivePrefix =. astro-ph/0308096 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/378672 1915

  60. [60]

    , keywords =

    GRS 1915+105 and the Disc-Jet Coupling in Accreting Black Hole Systems. , keywords =. doi:10.1146/annurev.astro.42.053102.134031 , archivePrefix =. astro-ph/0406483 , primaryClass =

    work page doi:10.1146/annurev.astro.42.053102.134031 1915

  61. [61]

    Lecture Notes in Physics, Berlin Springer Verlag , year = 2010, editor =

    States and Transitions in Black Hole Binaries. Lecture Notes in Physics, Berlin Springer Verlag , year = 2010, editor =. doi:10.1007/978-3-540-76937-8_3 , adsurl =

    work page doi:10.1007/978-3-540-76937-8_3 2010

  62. [62]

    Radio Frequency Timing Analysis of the Compact Jet in the Black Hole X-ray Binary Cygnus X-1

    Radio frequency timing analysis of the compact jet in the black hole X-ray binary Cygnus X-1. , keywords =. doi:10.1093/mnras/stz165 , archivePrefix =. 1901.03751 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/stz165 1901

  63. [63]

    A model-independent analysis of the variability of GRS 1915+105

    A model-independent analysis of the variability of GRS 1915+105. , keywords =. doi:10.48550/arXiv.astro-ph/0001103 , archivePrefix =. astro-ph/0001103 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.48550/arxiv.astro-ph/0001103 1915

  64. [64]

    , keywords =

    Observations of a radio-bright, X-ray obscured GRS 1915+105. , keywords =. doi:10.1093/mnras/stab511 , archivePrefix =. 2101.01187 , primaryClass =

    work page doi:10.1093/mnras/stab511 1915

  65. [65]

    , keywords =

    Fast infrared winds during the radio-loud and X-ray obscured stages of the black hole transient GRS 1915+105. , keywords =. doi:10.1051/0004-6361/202348184 , archivePrefix =. 2311.12933 , primaryClass =

    work page doi:10.1051/0004-6361/202348184 1915

  66. [66]

    , keywords =

    Subsecond periodic radio oscillations in a microquasar. , keywords =. doi:10.1038/s41586-023-06336-6 , archivePrefix =. 2307.14015 , primaryClass =

    work page doi:10.1038/s41586-023-06336-6

  67. [67]

    Nature Communications , keywords =

    Quasi-periodic oscillations of GHz-band polarization in a black hole. Nature Communications , keywords =. doi:10.1038/s41467-025-59586-5 , adsurl =

    work page doi:10.1038/s41467-025-59586-5

  68. [68]

    Nature Astronomy , keywords =

    Coupling between the accreting corona and the relativistic jet in the microquasar GRS 1915+105. Nature Astronomy , keywords =. doi:10.1038/s41550-022-01617-y , archivePrefix =. 2203.02963 , primaryClass =

    work page doi:10.1038/s41550-022-01617-y 1915

  69. [69]

    Calibrated Estimates of the Energy in Major Flares of GRS 1915+105

    Calibrated estimates of the energy in major flares of GRS 1915+105. , keywords =. doi:10.1093/mnras/stt1455 , archivePrefix =. 1308.0646 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/stt1455 1915

  70. [70]

    Accretion instabilities and jet formation in GRS 1915+105

    Accretion instabilities and jet formation in GRS 1915+105. , keywords =. doi:10.48550/arXiv.astro-ph/9711097 , archivePrefix =. astro-ph/9711097 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.48550/arxiv.astro-ph/9711097 1915

  71. [71]

    , keywords =

    Giant repeated ejections from GRS 1915+105. , keywords =. doi:10.1046/j.1365-8711.2000.03847.x , archivePrefix =. astro-ph/0006278 , primaryClass =

    work page doi:10.1046/j.1365-8711.2000.03847.x 1915

  72. [72]

    Faint Infrared Flares from the Microquasar GRS 1915+105

    Faint Infrared Flares from the Microquasar GRS 1915+105. , keywords =. doi:10.1086/312559 , archivePrefix =. astro-ph/0001472 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/312559 1915

  73. [73]

    Radiation pressure instability as a variability mechanism in the microquasar GRS 1915+105

    Radiation Pressure Instability as a Variability Mechanism in the Microquasar GRS 1915+105. , keywords =. doi:10.1086/312911 , archivePrefix =. astro-ph/0008354 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/312911 1915

  74. [74]

    Time-Dependent Disk Models for the Microquasar GRS1915+105

    Time-dependent Disk Models for the Microquasar GRS 1915+105. , keywords =. doi:10.1086/308860 , archivePrefix =. astro-ph/9905371 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/308860 1915

  75. [75]

    Radiation Pressure and Mass Ejection in Rho-like States of GRS 1915+105

    Radiation Pressure and Mass Ejection in -like States of GRS 1915+105. , keywords =. doi:10.1088/0004-637X/750/1/71 , archivePrefix =. 1203.0301 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/750/1/71 1915

  76. [76]

    Lense-Thirring Precession and QPOs in Low Mass X-Ray Binaries

    Lense-Thirring Precession and Quasi-periodic Oscillations in Low-Mass X-Ray Binaries. , keywords =. doi:10.1086/311075 , archivePrefix =. astro-ph/9709085 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/311075

  77. [77]

    , keywords =

    A Detailed View of Low-frequency Quasi-periodic Oscillation in the Broadband 0.2-200 keV with Insight-HXMT and NICER. , keywords =. doi:10.3847/1538-4357/acc4c3 , archivePrefix =. 2303.00481 , primaryClass =

    work page doi:10.3847/1538-4357/acc4c3

  78. [78]

    A quasi-periodic modulation of the iron line centroid energy in the black hole binary H 1743-322

    A quasi-periodic modulation of the iron line centroid energy in the black hole binary H1743-322. , keywords =. doi:10.1093/mnras/stw1245 , archivePrefix =. 1607.02866 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/stw1245

  79. [79]

    , keywords =

    A quantitative explanation of the type-B QPOs in GX 339-4. , keywords =. doi:10.1051/0004-6361/202038468 , archivePrefix =. 2008.02557 , primaryClass =

    work page doi:10.1051/0004-6361/202038468 2008

  80. [80]

    R., Moran, J

    Interferometry and Synthesis in Radio Astronomy, 3rd Edition. doi:10.1007/978-3-319-44431-4 , adsurl =

    work page doi:10.1007/978-3-319-44431-4

Showing first 80 references.