JS
J. F. Steiner
astro-ph.HEastro-ph.GAastro-ph.SRgr-qcastro-ph.IMastro-ph.COhep-phhep-thcs.LGastro-ph.EP
On Valency
published · living versionsW_nhg95zxv·v1 · currentpublished
An embedded X-ray source shines through the aspherical AT2018cow: revealing the inner workings of the most luminous fast-evolving optical transients
with Raffaella Margutti, B. D. Metzger, R. Chornock, I. Vurm +39
1 version
Preprints & journals
179 papers in the corpus · 2006–2026EXPO: a quantum leap in fast, wide-band X-ray polarimetry for astrophysics2608.20898v1 · Paolo Soffitta, Sebastien Guillot, Ian Hutchinson et al.2026 · 0 citationsProc. SPIE 14146, Space Telescopes and Instrumentation 2026: Ultraviolet to Gamma Ray, 141461B (17 Aug 2026)
Radio flares and X-ray hardening embedded in the long soft state of 4U 1543-4752608.11774v1 · Zuobin Zhang, Rob Fender, Jiachen Jiang et al.2026 · 0 citationsarXiv
Superorbital variability in the quiescent black hole X-ray transient A0620-002607.16397v1 · Enzo A. Saavedra, Roi Alonso, Teo Munoz-Darias et al.2026 · 0 citationsarXiv
Black-Hole Spin Measurements from X-ray Reflection Spectroscopy: Quality Criteria and Community Recommendations2607.14368v1 · Javier A. Garcia, Riley Connors, Laura W. Brenneman et al.2026 · 0 citationsarXiv
Neural-Spectral Discovery of Rotating Black Holes Beyond General Relativity2607.07418v1 · Felipe Agurto-Sep'ulveda, Marcelo Oyarzo, Anxo Biasi et al.2026 · 0 citationsarXiv
Spin Demographics of Active Supermassive Black Holes: Updated Estimates from X-ray reflection and Future opportunities2605.13949v1 · Julia M. Sisk-Reynes, Christopher S. Reynolds, James H. Matthews et al.2026 · 1 citationarXiv
Unraveling Chemical Enrichment in Extreme Emission-Line Galaxies: A Multi-Element Bayesian View of Bursty Star Formation and Galaxy Evolution in DESI2604.20060v1 · Razieh Emami, James A. A. Trussler, Tiger Yu-Yang Hsiao et al.2026 · 0 citationsarXiv
Systematic assessment of disk truncation in the black hole X-ray binary Swift J1727.8-1613 using NICER2604.14693v1 · Ole Konig, James F. Steiner, Niek Bollemeijer et al.2026 · 0 citationsarXiv
Exploring the spin dependence on mass inclination and distance for the newly discovered black hole X-ray binary Swift J151857.0-5721472603.07908v1 · Yujia Song, James F. Steiner, Tong Zhao et al.2026 · 0 citationsarXiv
A clean broad iron line in GS 1354--64 as seen by XRISM2603.06883v1 · Honghui Liu, Lingda Kong, Oluwashina K. Adegoke et al.2026 · 0 citationsarXiv
Discovery of Strong Energy-Dependent X-ray Polarization in the Intermediate State of GS 1354-642603.03463v1 · Swati Ravi, Lorenzo Marra, James F. Steiner et al.2026 · 0 citationsarXiv
A NICER view of the corona through time-dependent Comptonization of the quasi-periodic oscillations in nine black-hole X-ray binaries2602.07247v1 · Yuexin Zhang, Mariano M'endez, James F. Steiner et al.2026 · 2 citationsarXiv
Evidence of mutually exclusive outflow forms from a black hole X-ray binary2601.14762v1 · Zuobin Zhang, Jiachen Jiang, Francesco Carotenuto et al.2026 · 5 citationsNat Astron (2026)
Variational Autoencoder with Normalizing flow for X-ray spectral fitting2601.07440v1 · Fiona Redmen, Ethan Tregidga, James F. Steiner et al.2026 · 0 citationsarXiv
Decoding Cygnus X-2: The Critical Role of Reflection in IXPE Data2601.01669v3 · Honghui Liu, Jiachen Jiang, Adam Ingram et al.2026 · 1 citationJournal of High Energy Astrophysics, (2026), 51, 100548
The First X-Ray Polarimetry of an Eclipsing Low-Mass X-Ray Binary: Serendipitous IXPE Observation of AX J1745.6-29012512.13182v1 · Romana Mikusincov'a, Lorenzo Marra, Hemanth Manikantan et al.2025 · 1 citationarXiv
Super-Eddington Accretion Geometry: a Remarkable Stability of the Hidden Ultraluminous X-Ray Source Cygnus X-32512.12879v1 · Romana Mikusincov'a, Alexandra Veledina, Fabio Muleri et al.2025 · 2 citationsarXiv
Modeling X-ray photon pile-up with a normalizing flow2511.11863v1 · Ole Konig, Daniela Huppenkothen, Douglas Finkbeiner et al.2025 · 0 citationsarXiv
The 2025 Failed Outburst of IGR J17091-3624: Spectral Evolution and the Role of Ionized Absorbers2510.14134v1 · Oluwashina K. Adegoke, Javier A. Garcia, Guglielmo Mastroserio et al.2025 · 1 citationarXiv
The Most Luminous Known Fast Blue Optical Transient AT 2024wpp: Unprecedented Evolution and Properties in the X-rays and Radio2509.00952v1 · A.J. Nayana, Raffaella Margutti, Eli Wiston et al.2025 · 13 citationsarXiv
Possible Coronal Geometry in the Hard and Soft State of Black Hole X-ray Binaries from MONK Simulations2508.21511v2 · Ningyue Fan, Cosimo Bambi, James F. Steiner et al.2025 · 2 citationsAstrophys.J. 995: 124 (2025)
Exploring MAXI J1744-294: IXPE insights into a Newly Discovered X-ray Transient2506.17050v1 · Lorenzo Marra, Romana Mikusincov'a, Federico M. Vincentelli et al.2025 · 1 citationarXiv
Novel Polarimetric Analysis of Near Horizon Flaring Episodes in M87* in Millimeter Wavelength2504.04695v2 · Razieh Emami, Matthew Liska, Koushik Chatterjee et al.2025 · 0 citationsarXiv
The very high X-ray polarisation of accreting black hole IGRJ17091-3624 in the hard state2503.22665v2 · Melissa Ewing, Maxime Parra, Guglielmo Mastroserio et al.2025 · 14 citationsarXiv
Reprocessing from highly ionized gas in the soft spectral state of V4641 Sgr with NuSTAR2503.07835v1 · Riley M. T. Connors, Joey Neilsen, Aarran W. Shaw et al.2025 · 2 citationsarXiv
Constraining Disk-to-Corona Power Transfer Fraction, Soft X-ray Excess Origin, and Black Hole Spin Population of Type-1 AGN across Mass Scales2501.15380v2 · Labani Mallick, Ciro Pinto, John Tomsick et al.2025 · 2 citationsarXiv
Dimming GRS 1915+105 observed with NICER and Insight--HXMT2501.03804v2 · M. Zhou, V. Grinberg, A. Santangelo et al.2025 · 4 citationsA&A 694, A104 (2025)
HST Observations within the Sphere of Influence of the Powerful Supermassive Black Hole in PKS0745-1912501.03339v1 · Julie Hlavacek-Larrondo, Hyunseop Choi, Minghao Guo et al.2025 · 0 citationsarXiv
NICER Spectral and Timing Analysis of 4U 1630$-$47 and its Heartbeat State2412.07621v2 · Ningyue Fan, James F. Steiner, Cosimo Bambi et al.2024 · 2 citationsAstrophys.J. 984: 31 (2025)
Connecting the X-ray/UV variability of Fairall 9 with NICER: A Possible Warm Corona2410.21432v1 · Ethan R. Partington, Edward M. Cackett, Rick Edelson et al.2024 · 10 citationsApJ 977 77 (2024)
STROBE-X Mission Overview2410.08342v1 · Paul S. Ray, Peter W. A. Roming, Andrea Argan et al.2024 · 3 citationsarXiv
Characterizing the Broadband Reflection Spectrum of MAXI J1803-298 During its 2021 Outburst with NuSTAR and NICER2410.01134v1 · Oluwashina Adegoke, Javier Garcia, Riley Connors et al.2024 · 8 citationsarXiv
Self-Consistent Disk-Reflection Analysis of the Black-Hole Candidate X-ray Binary MAXI J1813-095 with NICER, Swift, Chandra, and NuSTAR2409.13481v1 · Santiago Ubach, James F. Steiner, Jiachen Jiang et al.2024 · 2 citationsarXiv
Proof of principle X-ray reflection mass measurement of the black hole in H1743-3222408.05268v1 · Edward Nathan, Adam Ingram, James F. Steiner et al.2024 · 8 citationsarXiv
Unravelling the role of merger histories in the population of In situ stars: linking IllustrisTNG cosmological simulation to H3 survey2407.07169v3 · Razieh Emami, Lars Hernquist, Randall Smith et al.2024 · 0 citationsPubl. Astron. Soc. Aust. 42 (2025) e082
An IXPE-Led X-ray Spectro-Polarimetric Campaign on the Soft State of Cygnus X-1: X-ray Polarimetric Evidence for Strong Gravitational Lensing2406.12014v1 · James F. Steiner, Edward Nathan, Kun Hu et al.2024 · 34 citationsarXiv
Long term variability of Cygnus X-1. VIII. A spectral-timing look at low energies with NICER2405.07754v1 · Ole Konig, Guglielmo Mastroserio, Thomas Dauser et al.2024 · 21 citationsA&A 687, A284 (2024)
The 2018 outburst of MAXI J1820+070 as seen by Insight-HXMT2404.12161v2 · Ningyue Fan, Songyu Li, Rui Zhan et al.2024 · 8 citationsAstrophys.J. 969: 61 (2024)
Impact of reflection Comptonization on X-ray reflection spectroscopy: the case of EXO 1846-0312404.06893v2 · Songcheng Li, Honghui Liu, Cosimo Bambi et al.2024 · 5 citationsPhys. Rev. D 110, 043021 (2024)
A case for a binary black hole system revealed via quasi-periodic outflows.38536930 · Pasham, Dheeraj R, Tombesi, Francesco, Suková, Petra et al.2024 · 31 citationsScience advances. 2024;10(13):eadj8898
The First High-Contrast Images of Near High-Mass X-Ray Binaries with Keck/NIRC22403.15845v1 · M. Prasow-'Emond, J. Hlavacek-Larrondo, K. Fogarty et al.2024 · 3 citationsarXiv
Dramatic Drop in the X-Ray Polarization of Swift J1727.8$-$1613 in the Soft Spectral State2403.04689v2 · Jir'i Svoboda, Michal Dovciak, James F. Steiner et al.2024 · 45 citationsThe Astrophysical Journal Letters, 2024, 966, L35
Episodic X-ray Outflows from the Tidal Disruption Event ASASSN-14li2401.12908v1 · Yukta Ajay, Dheeraj R. Pasham, Thomas Wevers et al.2024 · 3 citationsarXiv
The 2022 Outburst of IGR J17091-3624: Connecting the exotic GRS 1915+105 to standard black hole X-ray binaries2401.10192v1 · Jingyi Wang, Erin Kara, Javier A. Garc'ia et al.2024 · 18 citationsarXiv
Highly-coherent quasi-periodic oscillations in the 'heartbeat' black hole X-ray binary IGR J17091-36242401.10195v1 · Jingyi Wang, Erin Kara, Jeroen Homan et al.2024 · 9 citationsarXiv
Observational Signatures of AGN Feedback in the Morphology and the Ionization States of Milky Way-like Galaxies2312.14809v1 · Nadia Qutob, Razieh Emami, Kung-Yi Su et al.2023 · 5 citationsarXiv
Evidence for a dynamic corona in the short-term time lags of black hole X-ray binary MAXI J1820+0702312.09835v2 · Niek Bollemeijer, Phil Uttley, Arkadip Basak et al.2023 · 6 citationsMonthly Notices of the Royal Astronomical Society 528 (2024) 558-576
X-ray Polarization of the Eastern Lobe of SS 4332311.16313v1 · Philip Kaaret, Riccardo Ferrazzoli, Stefano Silvestri et al.2023 · 17 citationsarXiv
Tracking the X-ray Polarization of the Black Hole Transient Swift J1727.8-1613 during a State Transition2311.05497v3 · Adam Ingram, Niek Bollemeijer, Alexandra Veledina et al.2023 · 67 citationsarXiv
Rapid Spectral Parameter Prediction for Black Hole X-Ray Binaries using Physicalised Autoencoders2310.17249v2 · Ethan Tregidga, James Steiner, Cecilia Garraffo et al.2023 · 4 citationsMonthly Notices of the Royal Astronomical Society, Volume 529, Issue 2, April 2024, Pages 1654-1666
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