Probes and tests of strong-field gravity with observations in the electromagnetic spectrum
D Psaltis - Living Reviews in Relativity, 2008 - Springer
Neutron stars and black holes are the astrophysical systems with the strongest gravitational
fields in the universe. In this article, I review the prospect of using observations of such …
fields in the universe. In this article, I review the prospect of using observations of such …
Accretion geometry of the neutron star low mass X-ray binary Cyg X-2 from X-ray polarization measurements
We report spectro-polarimetric results of an observational campaign of the bright neutron
star low-mass X-ray binary Cyg X-2 simultaneously observed by IXPE, NICER, and …
star low-mass X-ray binary Cyg X-2 simultaneously observed by IXPE, NICER, and …
Rapid X-ray variability
M Van der Klis - Cambridge Astrophysics Series, 2006 - cambridge.org
One of the principal motivations for studying X-ray binaries is that accretion onto neutron
stars and black holes provides a unique window on the physics of strong gravity and dense …
stars and black holes provides a unique window on the physics of strong gravity and dense …
Relativistic X-ray reflection and photoionized absorption in the neutron star low-mass X-ray binary GX 13+ 1
We analysed a dedicated NuSTAR observation of the neutron star low-mass X-ray binary Z-
source GX 13+ 1 to study the timing and spectral properties of the source. From the colour …
source GX 13+ 1 to study the timing and spectral properties of the source. From the colour …
Spectro-polarimetric view of bright atoll source GX 9+9 using IXPE and AstroSat
R Chatterjee, VK Agrawal… - Monthly Notices of the …, 2023 - academic.oup.com
We have carried out the first spectro-polarimetric study of the bright NS-LMXB GX 9+ 9 using
IXPE and AstroSat observations. We report a significant detection of polarization of over the …
IXPE and AstroSat observations. We report a significant detection of polarization of over the …
Boundary layer, accretion disk and X-ray variability in the luminous LMXBs
M Gilfanov, M Revnivtsev, S Molkov - Astronomy & Astrophysics, 2003 - aanda.org
Using Fourier frequency resolved X-ray spectroscopy we study short term spectral variability
in luminous LMXBs. With RXTE/PCA observations of 4U1608–52 and GX 340+ 0 on the …
in luminous LMXBs. With RXTE/PCA observations of 4U1608–52 and GX 340+ 0 on the …
SPECTRAL STATES OF XTE J1701− 462: LINK BETWEEN Z AND ATOLL SOURCES
D Lin, RA Remillard, J Homan - The Astrophysical Journal, 2009 - iopscience.iop.org
We have analyzed 866 Rossi X-ray Timing Explorer observations of the 2006–2007 outburst
of the accreting neutron star XTE J1701− 462, during which the source evolves from super …
of the accreting neutron star XTE J1701− 462, during which the source evolves from super …
Detection of significant X-ray polarization from transient NS-LMXB XTE J1701−462 with IXPE and its implication on the coronal geometry
KM Jayasurya, VK Agrawal… - Monthly Notices of the …, 2023 - academic.oup.com
In this paper, we performed a spectro-polarimetric analysis of the transient NS-LMXB XTE
J1701− 462 using IXPE, NICER, and NuSTAR data during its 2022 outburst. We report …
J1701− 462 using IXPE, NICER, and NuSTAR data during its 2022 outburst. We report …
Observing the effects of the event horizon in black holes
The key difference between neutron stars and black holes is the presence/absence of a
solid surface. Recent attempts to detect this difference have concentrated on the quiescent …
solid surface. Recent attempts to detect this difference have concentrated on the quiescent …
RXTE observations of the neutron star low-mass X-ray binary GX 17+ 2: correlated X-ray spectral and timing behavior
J Homan, M van der Klis, PG Jonker… - The Astrophysical …, 2002 - iopscience.iop.org
We have analyzed∼ 600 ks of Rossi X-Ray Timing Explorer data of the neutron star low-
mass X-ray binary and Z source GX 17+ 2. A study was performed of the properties of the …
mass X-ray binary and Z source GX 17+ 2. A study was performed of the properties of the …