PG
P. Gandhi
astro-ph.HEastro-ph.GAastro-ph.COastro-ph.IMastro-ph.SRastro-phastro-ph.EPhep-exphysics.ins-detgr-qc
On Valency
published · living versionsW_azvrz9se·v1 · currentpublished
Nine-hour X-ray quasi-periodic eruptions from a low-mass black hole galactic nucleus
with G. Miniutti, R. D. Saxton, M. Giustini, K. D. Alexander +9
1 version
W_mypwecmu·v1published
W_cfhau4kz·v1published
W_d2695m4p·v1published
Preprints & journals
277 papers in the corpus · 2000–2026Galactic Science with Ultra-High Angular Resolution X-ray Imaging2608.28746v1 · Paul A. Draghis, Jeremy Hare, Mayura Balakrishnan et al.2026 · 0 citationsarXiv
XRISM Resolves the Circum-nuclear Environment of NGC 49452608.02294v1 · Peter G. Boorman, Poshak Gandhi, Yoshihiro Ueda et al.2026 · 0 citationsarXiv
Energy-dependent Optical/Near-infrared and X-ray Correlations in Swift J1727.8-16132607.28852v1 · Ruican Ma, Federico Vincentelli, Diego Altamirano et al.2026 · 0 citationsarXiv
An intrinsic decline of accretion activity in GRS 1915+1052607.06200v1 · Poshak Gandhi (U. Southampton), Peter G. Boorman2026 · 0 citationsarXiv
GATOS XV: A JWST/MIRI survey of extended circumnuclear dust emission in nearby Seyfert galaxies2606.14477v2 · David J. Rosario, Houda Haidar, Steph Campbell et al.2026 · 0 citationsarXiv
GATOS XIV: The first direct kinematic evidence of dusty outflows from AGN via PAH kinematics of local Seyfert galaxies with JWST2603.12200v2 · Fergus R. Donnan, Ismael Garc'ia-Bernete, Dimitra Rigopoulou et al.2026 · 0 citationsarXiv
Spectral connection between far UV and soft X-ray emission from active galactic nuclei using AstroSat2601.04522v1 · Shrabani Kumar, G.C. Dewangan, K.P. Singh et al.2026 · 0 citationsarXiv
GATOS XI : Excess dust heating in the Narrow Line Regions of nearby AGN revealed with JWST/MIRI2601.02865v1 · Houda Haidar, David J. Rosario, Ismael Garc'ia-Bernete et al.2026 · 3 citationsarXiv
A comprehensive search for high-velocity X-ray sources: New compact object binary candidates in the Gaia era2601.02287v1 · Yue Zhao, Poshak Gandhi, Christian Knigge et al.2026 · 2 citationsarXiv
XRISM Spectroscopy of the Stellar-mass Black Hole GRS 1915+1052510.25089v2 · Jon M. Miller, Liyi Gu, John Raymond et al.2025 · 7 citationsarXiv
Infrared Synchrotron Emission in the Soft State of GX 339-4 and the Mid-Infrared/X-ray Luminosity Plane of Black Hole X-ray Binaries2510.01338v1 · P. Gandhi, D.M. Russell, M.C. Baglio et al.2025 · 0 citationsMon Not R Astron Soc (2026)
Further evidence for natal kick segregation by spectral type in high-mass X-ray binaries2509.10221v1 · Pornisara Nuchvanichakul, Poshak Gandhi, Christian Knigge et al.2025 · 1 citationarXiv
GATOS. VIII. On the physical origin of the extended MIR emission in AGN2507.19350v2 · Enrique Lopez-Rodriguez, Cristina Ramos Almeida, Miguel Pereira-Santaella et al.2025 · 1 citationarXiv
NSF-DOE Vera C. Rubin Observatory Observations of Interstellar Comet 3I/ATLAS (C/2025 N1)2507.13409v3 · Colin Orion Chandler, Pedro H. Bernardinelli, Mario Juri'c et al.2025 · 9 citationsarXiv
The Mid-infrared Emitting Jet in the Black Hole V404 Cygni in Quiescence2506.20536v2 · E. S. Borowski, R. I. Hynes, Q. Hunt et al.2025 · 1 citationarXiv
The peculiar hard state behaviour of the black hole X-ray binary Swift J1727.8$-$16132506.12387v2 · A. K. Hughes, F. Carotenuto, T. D. Russell et al.2025 · 7 citationsarXiv
The Compton-thick AGN Population and the Distribution of Low-mass AGN in our Cosmic Backyard2506.08527v1 · A. Annuar, D. M. Alexander, P. Gandhi et al.2025 · 0 citationsarXiv
Comprehensive Radio Monitoring of the Black Hole X-ray Binary Swift J1727.8$--$2024 Outburst2506.07798v1 · Andrew K. Hughes, Francesco Carotenuto, Thomas D. Russell et al.2025 · 8 citationsarXiv
Gone with the Wind: JWST-MIRI Unveils a Strong Outflow from the Quiescent Stellar-Mass Black Hole A0620-002505.23918v1 · Zihao Zuo, Gabriele Cugno, Joseph Michail et al.2025 · 5 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
Sub-second optical/near-infrared quasi-periodic oscillations from the black hole X-ray transient Swift J1727.8-16132503.20862v1 · F. M. Vincentelli, T. Shahbaz, P. Casella et al.2025 · 3 citationsarXiv
Ultraviolet spectroscopy of the black hole X-ray binary MAXI J1820+070 across a state transition2501.17935v1 · Maria Georganti, Christian Knigge, Noel Castro Segura et al.2025 · 2 citationsMon Not R Astron Soc (2025)
TiDES: The 4MOST Time Domain Extragalactic Survey2501.16311v2 · C. Frohmaier, M. Vincenzi, M. Sullivan et al.2025 · 16 citationsarXiv
Characterisation of H spectra from EXO 051910+3737.7 X-rays binaries2501.05883v1 · Pornisara Nuchvanichakul, Puji Irawati, Pakakaew Rittipruk et al.2025 · 0 citationsTRENDS IN SCIENCES, 2024; 21(9): 7653
Calibrating the clock of JWST2411.02238v1 · A. W. Shaw, D. L. Kaplan, P. Gandhi et al.2024 · 4 citationsarXiv
The NuSTAR Local AGN Distribution Survey (NuLANDS) I: Towards a Truly Representative Column Density Distribution in the Local Universe2410.07339v1 · Peter G. Boorman, Poshak Gandhi, Johannes Buchner et al.2024 · 1 citationarXiv
Towards a complete census of luminous Compton-thick Active Galactic Nuclei in the local Universe2409.20015v1 · A. Akylas, I. Georgantopoulos, P. Gandhi et al.2024 · 9 citationsA&A 692, A250 (2024)
The Galaxy Activity, Torus, and Outflow Survey (GATOS). (IV): Exploring Ionized Gas Outflows in Central Kiloparsec Regions of GATOS Seyferts2409.09771v1 · Lulu Zhang, Chris Packham, Erin K. S. Hicks et al.2024 · 38 citationsarXiv
The Galaxy Activity, Torus, and Outflow Survey (GATOS). V: Unveiling PAH survival and resilience in the circumnuclear regions of AGN with JWST2409.05686v1 · I. Garc'ia-Bernete, D. Rigopoulou, F. R. Donnan et al.2024 · 40 citationsA&A 691, A162 (2024)
Multi-epoch UV X-ray spectral study of NGC 4151 with AstroSat2409.04762v1 · Shrabani Kumar, G. C. Dewangan, P. Gandhi et al.2024 · 3 citationsarXiv
A biconical ionised gas outflow and evidence for positive feedback in NGC 7172 uncovered by MIRI/JWST2407.15807v1 · L. Hermosa Munoz, A. Alonso-Herrero, M. Pereira-Santaella et al.2024 · 29 citationsA&A 690, A350 (2024)
Rapid Mid-Infrared Spectral-Timing with JWST. I. The prototypical black hole X-ray Binary GRS 1915+105 during a MIR-bright and X-ray-obscured state2406.18637v1 · P. Gandhi, E.S. Borowski, J. Byrom et al.2024 · 0 citationsarXiv
GATOS: missing molecular gas in the outflow of NGC5728 revealed by JWST2406.17072v1 · R. Davies, T. Shimizu, M. Pereira-Santaella et al.2024 · 41 citationsA&A 689, A263 (2024)
Synergies between Roman Galactic Plane Survey and other major surveys2406.14767v1 · Katarzyna Kruszy'nska, Rachel A. Street, Steven Gough-Kelly et al.2024 · 0 citationsarXiv
The NuSTAR Serendipitous Survey: the 80-month catalog and source properties of the high-energy emitting AGN and quasar population2404.17637v1 · Claire L. Greenwell (Durham-CEA), Lizelke Klindt, George B. Lansbury et al.2024 · 0 citationsarXiv
Dust beyond the torus: Revealing the mid-infrared heart of local Seyfert ESO 428-G14 with JWST/MIRI2404.16100v2 · Houda Haidar, David J. Rosario, Almudena Alonso-Herrero et al.2024 · 16 citationsMonthly Notices of the Royal Astronomical Society, Volume 532, Issue 4, Pages 4645-4660, August 2024
X-ray astronomy from the lunar surface.38522459 · Gandhi, Poshak2024 · 3 citationsPhilosophical transactions. Series A, Mathematical, physical, and engineering sciences. 2024;382(2271):20230080
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
A multi-wavelength study of the hard and soft states of MAXI J1820+070 during its 2018 outburst2402.08237v1 · Srimanta Banerjee, Gulab C. Dewangan, Christian Knigge et al.2024 · 14 citationsApJ, 964, 189 (2024)
Investigating the Ultra-Compact X-ray Binary Candidate SLX 1735-269 with NICER and NuSTAR2401.12371v2 · David Moutard, Renee Ludlam, Malu Sudha et al.2024 · 3 citationsarXiv
A population of Optically Quiescent Quasars from WISE and SDSS2401.01937v1 · Claire Greenwell, Poshak Gandhi, Daniel Stern et al.2024 · 7 citationsarXiv
Rapid dimming followed by a state transition: a study of the highly variable nuclear transient AT 2019avd over 1000+ days2312.13543v1 · Yanan Wang, Dheeraj R. Pasham, Diego Altamirano et al.2023 · 5 citationsarXiv
The High Energy X-ray Probe (HEX-P): Bringing the Cosmic X-ray Background into Focus2311.04832v2 · Francesca Civano, Xiurui Zhao, Peter Boorman et al.2023 · 11 citationsarXiv
The High Energy X-ray Probe (HEX-P): The Circum-nuclear Environment of Growing Supermassive Black Holes2311.04949v1 · P. G. Boorman, N. Torres-Alba, A. Annuar et al.2023 · 16 citationsarXiv
On the natal kick of the black hole X-ray binary H 1705--2502310.11492v1 · Cordelia Dashwood Brown, Poshak Gandhi, Yue Zhao2023 · 11 citationsarXiv
Evidence for mass-dependent peculiar velocities in compact object binaries: Towards better constraints on natal kicks2307.06430v1 · Yue Zhao, Poshak Gandhi, Cordelia Dashwood Brown et al.2023 · 35 citationsarXiv
New Compact Object Binary Populations with Precision Astrometry (Roman White Paper)2306.16479v1 · P. Gandhi, C. Dashwood Brown, Y. Zhao et al.2023 · 0 citationsarXiv
The continuous cadence Roman Galactic Bulge survey2306.14956v1 · Thomas Kupfer, Camilla Danielski, Poshak Gandhi et al.2023 · 0 citationsarXiv
Massive Black Hole Binaries as LISA Precursors in the Roman High Latitude Time Domain Survey2306.14990v1 · Zolt'an Haiman, Chengcheng Xin, Tamara Bogdanovi'c et al.2023 · 4 citationsarXiv
LSST Survey Strategy in the Galactic Plane and Magellanic Clouds2305.11988v1 · R.A. Street, X. Li, S. Khakpash et al.2023 · 11 citationsarXiv
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