Results 31 to 40 of about 83,767 (197)
XMM-Newton View of Pulsating Iron Fluorescent Emission from Centaurus X-3
The Astrophysical JournalCentaurus X–3 (Cen X–3) is a bright, high-mass X-ray binary pulsar. We present a pulse phase–resolved X-ray spectral analysis of data from an archival XMM-Newton observation of Cen X–3 taken during the high state of the source.
Kinjal Roy +2 more
doaj +1 more source
Populating the Galaxy with low-mass X-ray binaries [PDF]
, 2006 We perform binary population synthesis calculations to investigate the incidence of low-mass X-ray binaries and their birth rate in the Galaxy. We use a binary evolution algorithm that models all the relevant processes including tidal circularization and
Hurley, Jarrod R., Kiel, Paul D.
core +3 more sources
Discovery of a New Phase-transient Cyclotron Line in A0535+26: Constraints on the Accretion Geometry
The Astrophysical JournalIn 2020 November, A0535+26 underwent one of its brightest outbursts, reaching nearly 12 Crab in X-ray flux. Observed by Insight-HXMT, NuSTAR, NICER, and AstroSat, this event provided valuable insights into Be/X-ray binaries.
Ashwin Devaraj +3 more
doaj +1 more source
Modelling the expected very high energy gamma-ray emission from accreting neutron stars in X-ray binaries [PDF]
, 2023 L. Ducci +3 more
openalex +1 more source
The Astrophysical JournalWe present the results of multiwavelength observations of the high-mass gamma-ray binary (HMGB) 4FGL J1405.1−6119. A pair of joint XMM-Newton and NuSTAR observations taken in 2019 (sampling the gamma-ray maximum and X-ray maximum) characterize the ...
Alexander Lange +6 more
doaj +1 more source
X-ray irradiation of the winds in binaries with massive components
, 2015 Binaries with hot massive components are strong X-ray sources. Besides the intrinsic X-ray emission of individual binary members originating in their winds, X-ray emission stems from the accretion on the compact companion or from wind collision.
Krticka, Jiri +2 more
core +1 more source
Investigating the Ultracompact X-Ray Binary Candidate SLX 1735-269 with NICER and NuSTAR
The Astrophysical JournalWe present two simultaneous NICER and NuSTAR observations of the ultracompact X-ray binary (UCXB) candidate SLX 1735−269 while the source was in two different spectral states. Using various reflection modeling techniques, we find that xillverCO , a model
D. L. Moutard +10 more
doaj +1 more source
Obscuring Supersoft X-ray Sources in Stellar Winds
, 2011 We investigate the possibility of obscuring supersoft X-ray sources in the winds of companion stars. We derive limits on the amount of circumstellar material needed to fully obscure a 'canonical' supersoft X-ray source in the Large Magellanic Cloud, as ...
Dominik, Carsten +2 more
core +1 more source
X-Ray Polarimetry as a Tool to Constrain Orbital Parameters in X-Ray Binaries
The Astrophysical JournalX-ray binary systems consist of a companion star and a compact object in close orbit. Thanks to their copious X-ray emission, these objects have been studied in detail using X-ray spectroscopy and timing.
John Rankin +12 more
doaj +1 more source
Insight-HXMT Views Her X-1: Probing the Dependence of the Cyclotron Line Energy on Flux and Time
The Astrophysical Journal, 2023 Recent observations of Her X-1 with NuSTAR (as well as with INTEGRAL, Swift, and Astrosat) have provided evidence that the nearly 20 yr-long decay of the cyclotron line energy since ∼1994 has ended and that a stable value has replaced the decay.
G. C. Xiao +13 more
doaj +1 more source