PK
Peter Kosec
astro-ph.HEastro-ph.GAastro-ph.COastro-ph.IMastro-ph.SRhep-phphysics.comp-ph
On Valency
published · living versionsW_y9kgpdcz·v1 · currentpublished
Resolving a Clumpy Disk Wind in 4U 1957+115 with XRISM
with Paul A. Draghis, Erin Kara, Ehud Behar, Jon M. Miller +5
1 version
Preprints & journals
75 papers in the corpus · 2014–2026Relativistic outflows power a quasi-periodic eruption: constraints on energetics, mass loss, and emission mechanisms2608.28507v2 · Joheen Chakraborty, Erin Kara, Wenbin Lu et al.2026 · 0 citationsarXiv
XRISM Spectroscopy of Variable Accretion-driven Disk Winds in NGC 4151: When, Where, and How Fast Outflows are Launched2608.11315v1 · Xin Xiang, Jon Miller, Missagh Mehdipour et al.2026 · 0 citationsarXiv
Kinematically Resolving the Fe K Complex in Her X-1: The Accretion Disk and Ionized Wind Across X-ray Eclipses2608.05719v1 · Koh Sakamoto, Teruaki Enoto, Peter Kosec et al.2026 · 0 citationsarXiv
Reverberation in the Narrow Fe K Line in the Seyfert Galaxy NGC 4151 with XRISM2606.23384v1 · Jon M. Miller, Aberahmen Zoghbi, Xin Xiang et al.2026 · 0 citationsarXiv
Dust grain chemistry in the diffuse ISM towards the black hole transient GX 339-42605.28947v1 · I. Psaradaki, L. Corrales, E. Costantini et al.2026 · 0 citationsarXiv
The First Insights into an Ultraluminous X-ray Pulsar with XRISM: Phase-Resolved High-Resolution Spectroscopy of the Fe K-shell Band of M82 X-22605.17786v1 · Shogo B. Kobayashi, Peter Kosec, Kazuki Ampuku et al.2026 · 0 citationsarXiv
XRISM/Resolve observations of Hercules X-1: a pulsating, highly broadened Fe K emission line from the neutron star accretion column2605.01146v2 · Peter Kosec, Laura Brenneman, Erin Kara et al.2026 · 1 citationarXiv
The 0.9 Megasecond XRISM/Resolve Spectrum of the Seyfert-1 AGN NGC 41512604.16148v1 · Jon M. Miller, Xin Xiang, Missagh Mehdipour et al.2026 · 0 citationsarXiv
Persistence of the Millihertz X-ray Quasi-Periodic Oscillation in the Active Galactic Nucleus 1ES 1927+6542604.16688v1 · Megan Masterson, Erin Kara, William N. Alston et al.2026 · 0 citationsarXiv
A Fast, Hot Wind from a Nuclear Starburst2603.24674v1 · Marc Audard, Hisamitsu Awaki, Ralf Ballhausen et al.2026 · 0 citationsNature, March 25, 2026
Unveiling the biconical geometry of the outflow in the ultraluminous X-ray source NGC 5204 X-12603.11922v1 · S. Caserta, C. Pinto, T. Di Salvo et al.2026 · 0 citationsA&A 708, A347 (2026)
Variability of the X-ray obscuring wind in Mrk 335 with XMM-Newton/RGS2602.23255v2 · Daniele Rogantini, Erin Kara, Luigi Gallo et al.2026 · 0 citationsarXiv
XRISM finds the Changing-Look AGN NGC 1365 in an extended low state: A dense, highly ionized outflow obscures the central source2601.00795v1 · Fatima Zaidouni, Erin Kara, Peter Kosec et al.2026 · 2 citationsarXiv
XMM-Newton multi-year campaign on NGC 55 ULX-1: Resolving the wind and its variability with RGS2512.16522v1 · C. Pinto, S. Caserta, F. Barra et al.2025 · 2 citationsarXiv
XRISM/Resolve observations of Hercules X-1: vertical structure and kinematics of the disk wind2510.07615v3 · Peter Kosec, Laura Brenneman, Erin Kara et al.2025 · 1 citationarXiv
The Broadband View of the Bare Seyfert PG 1426+015: Relativistic Reflection, the Soft Excess and the Importance of Oxygen2509.13411v1 · D. J. Walton, A. Madathil-Pottayil, P. Kosec et al.2025 · 2 citationsarXiv
Rapidly varying ionization features in a Quasi-periodic Eruption: a homologous expansion model for the spectroscopic evolution2504.07167v1 · Joheen Chakraborty, Peter Kosec, Erin Kara et al.2025 · 13 citationsarXiv
A new pulsating neutron star in the Ultraluminous X-ray source NGC 4559 X7?2502.10246v1 · F. Pintore, C. Pinto, G. Rodriguez-Castillo et al.2025 · 11 citationsA&A 695, A238 (2025)
Millihertz oscillations near the innermost orbit of a supermassive black hole.39910305 · Masterson, Megan, Kara, Erin, Panagiotou, Christos et al.2025 · 32 citationsNature. 2025;638(8050):370-375
Hyperluminous Supersoft X-Ray Sources in the Chandra Catalog2502.00097v2 · Andrea Sacchi, Kevin Paggeot, Steven Dillmann et al.2025 · 0 citations2025 ApJ 983 124
QPEs as Lense-Thirring precession of super-Eddington flows2501.06185v2 · M. Middleton, A. Gurpide, T. M. Kwan et al.2025 · 0 citationsarXiv
Eppur si muove: Evidence of disc precession or a sub-milliparsec SMBH binary in the QPE-emitting galaxy GSN 0692411.13460v1 · Giovanni Miniutti, Alessia Franchini, Matteo Bonetti et al.2024 · 18 citationsA&A 693, A179 (2025)
A New Broadband Spectral State in the Ultraluminous X-ray Source Holmberg IX X-12409.12241v2 · D. J. Walton, M. Bachetti, P. Kosec et al.2024 · 2 citationsarXiv
AGN STORM 2. VII. A Frequency-resolved Map of the Accretion Disk in Mrk 817: Simultaneous X-ray Reverberation and UVOIR Disk Reprocessing Time Lags2409.09115v1 · Collin Lewin, Erin Kara, Aaron J. Barth et al.2024 · 20 citationsApJ 974 271 (2024)
Fragments of harmony amid apparent chaos: a closer look at the X-ray quasi-periodic eruptions of the galaxy RX J1301.9+27472409.01938v1 · Margherita Giustini, Giovanni Miniutti, Riccardo Arcodia et al.2024 · 25 citationsA&A 692, A15 (2024)
Exploring the high-density reflection model for the soft excess in RBS 11242409.01395v1 · A. Madathil-Pottayil, D. J. Walton, Javier Garc'ia et al.2024 · 9 citationsarXiv
AGN STORM 2: VIII. Investigating the Narrow Absorption Lines in Mrk 817 Using HST-COS Observations2407.04164v2 · Maryam Dehghanian, Nahum Arav, Gerard A. Kriss et al.2024 · 5 citationsarXiv
Physics of 1 keV line in X-ray binaries2407.02360v2 · Priyanka Chakraborty, Gary Ferland, Andrew Fabian et al.2024 · 2 citationsarXiv
AGN STORM 2: IX. Studying the Dynamics of the Ionized Obscurer in Mrk 817 with High-resolution X-ray Spectroscopy2406.17061v1 · Fatima Zaidouni, Erin Kara, Peter Kosec et al.2024 · 11 citationsarXiv
Detection of a Highly Ionized Outflow in the Quasi-periodically Erupting Source GSN 0692406.17105v2 · P. Kosec, E. Kara, L. Brenneman et al.2024 · 13 citationsarXiv
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
Constraining the Number Density of the Accretion Disk Wind in Hercules X-1 Using its Ionization Response to X-ray Pulsations2401.00754v2 · P. Kosec, D. Rogantini, E. Kara et al.2024 · 4 citationsarXiv
Accretion disk wind of Hercules X-1 during the Short High state2309.16885v1 · P. Kosec, E. Kara, A. C. Fabian et al.2023 · 3 citationsarXiv
Discovery of a variable multi-phase outflow in the X-ray-emitting tidal disruption event ASASSN-20qc2308.05250v1 · P. Kosec, D. Pasham, E. Kara et al.2023 · 18 citationsarXiv
Vertical wind structure in an X-ray binary revealed by a precessing accretion disk2304.05490v1 · P. Kosec, E. Kara, A. C. Fabian et al.2023 · 15 citationsarXiv
The Birth of a Relativistic Jet Following the Disruption of a Star by a Cosmological Black Hole2211.16537v1 · Dheeraj R. Pasham, Matteo Lucchini, Tanmoy Laskar et al.2022 · 82 citationsarXiv
Winds in ultraluminous X-ray sources: new challenges2211.00014v1 · Ciro Pinto, Peter Kosec2022 · 9 citationsAstronomische Nachrichten, 2023
The long stare at Hercules X-1 -- I. Emission lines from the outer disk, the magnetosphere boundary and the accretion curtain2208.08930v1 · P. Kosec, E. Kara, A. C. Fabian et al.2022 · 10 citationsarXiv
Unveiling the disc structure in ultraluminous X-ray source NGC 55 ULX-12207.12870v2 · F. Barra, C. Pinto, D. J. Walton et al.2022 · 12 citationsarXiv
A transient ultraluminous X-ray source in NGC 552207.09447v1 · A. Robba, C. Pinto, F. Pintore et al.2022 · 6 citationsarXiv
Evolution of a Relativistic Outflow and X-ray Corona in the Extreme Changing-Look AGN 1ES 1927+6542206.05140v1 · Megan Masterson, Erin Kara, Claudio Ricci et al.2022 · 42 citationsarXiv
An 8.56 keV absorption line in the hyperluminous X-ray source in NGC 4045: ultra-fast outflow or cyclotron line?2203.11955v1 · Murray Brightman, Peter Kosec, Felix Furst et al.2022 · 12 citationsarXiv
Wind-luminosity evolution in NLS1 AGN 1H 0707-4952110.06633v1 · Yerong Xu, Ciro Pinto, Stefano Bianchi et al.2021 · 18 citationsarXiv
Ionised Emission and Absorption in a Large Sample of Ultraluminous X-ray Sources2109.14683v1 · P. Kosec, C. Pinto, C. S. Reynolds et al.2021 · 46 citationsarXiv
The nature of the extreme X-ray variability in the NLS1 1H 0707-4952108.10167v1 · M. L. Parker, W. N. Alston, L. Harer et al.2021 · 32 citationsarXiv
The chameleon on the branches: spectral state transition and dips in NGC 247 ULX-12108.09221v1 · A. D'Ai, C. Pinto, M. Del Santo et al.2021 · 17 citationsarXiv
Extreme Relativistic Reflection in the Active Galaxy ESO 033-G0022107.10278v1 · D. J. Walton, M. Balokovic, A. C. Fabian et al.2021 · 18 citationsarXiv
Broadband X-ray spectral variability of the pulsing ULX NGC 1313 X-22106.04501v2 · A. Robba, C. Pinto, D. J. Walton et al.2021 · 18 citationsA&A 652, A118 (2021)
Quasi-periodic dipping in the ultraluminous X-ray source, NGC 247 ULX-12104.11163v2 · W. N. Alston, C. Pinto, D. Barret et al.2021 · 22 citationsarXiv
XMM-Newton campaign on the ultraluminous X-ray source NGC 247 ULX-1: outflows2104.11164v2 · C. Pinto, R. Soria, D. Walton et al.2021 · 68 citationsarXiv
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