Fundamental X-ray corona parameters of Swift/BAT AGN

JT Hinkle, R Mushotzky - Monthly Notices of the Royal …, 2021 - academic.oup.com
While X-ray emission from active galactic nuclei (AGN) is common, the detailed physics
behind this emission is not well understood. This is in part because high quality broad-band …

A multiwavelength study of the hard and soft states of MAXI J1820+ 070 during its 2018 outburst

S Banerjee, GC Dewangan, C Knigge… - The Astrophysical …, 2024 - iopscience.iop.org
We present a comprehensive multiwavelength spectral analysis of the black hole (BH) X-ray
binary MAXI J1820+ 070 during its 2018 outburst, utilizing AstroSat far-UV, soft X-ray, and …

A comprehensive X-ray report on AT2019wey

Y Yao, SR Kulkarni, KC Gendreau… - The Astrophysical …, 2021 - iopscience.iop.org
Here, we present MAXI, Swift, NICER, NuSTAR, and Chandra observations of the X-ray
transient AT2019wey (SRGA J043520. 9+ 552226, SRGE J043523. 3+ 552234). From …

Universality of coronal properties in accreting black holes across mass and accretion rate

S Chakraborty, A Ratheesh, F Tombesi… - Astronomy & …, 2023 - aanda.org
Aims. Through their radio loudness, lack of thermal UV emission from the accretion disk, and
power-law dominated spectra, low-luminosity active galactic nuclei (LLAGNs) display …

Probing the accretion geometry of the atoll source 4U 1702−429 in different spectral states with NICER, NuSTAR, and AstroSat

S Banerjee, J Homan - Monthly Notices of the Royal …, 2024 - academic.oup.com
We perform a comprehensive spectral study of a carefully selected sample (total exposure∼
50.5 ks) of NICER observations of the atoll neutron star low-mass X-ray binary 4U 1702 …

NuSTAR Observation of the TeV-detected Radio Galaxy 3C 264: Core Emission and the Hot Accretion Flow Contribution

KW Wong, CM Steiner, AM Blum, D Lin… - The Astrophysical …, 2024 - iopscience.iop.org
Abstract 3C 264 is one of the few FRI radio galaxies with detected TeV emission. It is a low-
luminosity active galactic nucleus (LLAGN) and is generally associated with a radiatively …

On the behavior of the black hole candidate 1E 1740. 7‐2942's corona based on long‐term INTEGRAL database

PE Stecchini, J Leão, M Castro… - Astronomische …, 2021 - Wiley Online Library
One of the most straightforward ways to explain the hard X‐ray spectra observed in X‐ray
binaries is to assume that comptonization of soft photons from the accretion disk is occurring …