X-rays from Hot Subdwarfs [PDF]
, 2015 Thanks to the high sensitivity of the instruments on board the XMM-Newton and Chandra satellites, it has become possible to explore the properties of the X-ray emission from hot subdwarfs.
La Palombara, Nicola, Mereghetti, Sandro
core +3 more sources
The Astrophysical Journal, 2023 Gamma-ray binary systems, a subclass of high-mass X-ray binaries, show nonthermal emissions from radio to TeV. While efficient electron acceleration is considered to take place in them, the nature of the acceleration mechanism and the physical ...
Hiroki Yoneda +7 more
doaj +1 more source
A dozen colliding wind X-ray binaries in the star cluster R136 in the 30Doradus region [PDF]
, 2002 We analyzed archival Chandra X-ray observations of the central portion of the 30 Doradus region in the Large Magellanic Cloud. The image contains 20 X-ray point sources with luminosities between $5 \times 10^{32}$ and $2 \times 10^{35}$ erg s$^{-1}$ (0.2
Bosch G. +21 more
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A NICER Viewing Angle on the Accretion Stream of Vela X-1
The Astrophysical Journal, 2023 Vela X-1 is the archetypal eclipsing high-mass X-ray binary, composed of a neutron star (NS) accreting the B-star wind. It was observed by nearly all X-ray observatories, often multiple times, featuring a rich spectrum of variable emission lines. However,
Roi Rahin, Ehud Behar
doaj +1 more source
Color–color diagrams as tools for assessment of the variable absorption in high mass X-ray binaries [PDF]
Astronomy & Astrophysics, 2020 High mass X-ray binaries hold the promise of allowing us to understand the structure of the winds of their supermassive companion stars by using the emission from the compact object as a backlight to evaluate the variable absorption in the structured ...
V. Grinberg, M. Nowak, N. Hell
semanticscholar +1 more source
Rapid multiperiodic variability in a Small Magellanic Cloud high-mass X-ray binary [PDF]
, 2004 The positions of high-mass X-ray binaries are often known precisely enough to identify the optical component unambiguously, and a number of those stars are or have been monitored by the Optical Gravitational Lensing Experiment (OGLE) and MACHO ...
D. Fabrycky
semanticscholar +1 more source
The high energy X-ray probe (HEX-P): a new window into neutron star accretion
Frontiers in Astronomy and Space Sciences, 2023 Accreting neutron stars (NSs) represent a unique laboratory for probing the physics of accretion in the presence of strong magnetic fields (B ≳ 108 G).
R. M. Ludlam +19 more
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On the binary nature of massive blue hypergiants: high-resolution X-ray spectroscopy suggests that Cyg OB2 12 is a colliding wind binary [PDF]
, 2017 The blue hypergiant Cyg OB2-12 (B3Ia+) is a representative member of the class of very massive stars in a poorly understood evolutionary stage. We obtained its high-resolution X-ray spectrum using Chandra observatory.
Hainich, R. +7 more
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Infrared identification of hard X-ray sources in the Galaxy [PDF]
, 2016 The nature of the low- to intermediate-luminosity (LX ∼ 1032–34 erg s−1) source population revealed in hard band (2–10 keV) X-ray surveys of the Galactic plane is poorly understood.
Carrera, Francisco J. +5 more
core +1 more source
Infrared spectroscopy of SWIFT J0850.8-4219: Identification of the second red supergiant X-ray binary in the Milky Way [PDF]
Monthly Notices of the Royal Astronomical Society: Letters, 2023 High mass X-ray binaries hosting red supergiant (RSG) donors are a rare but crucial phase in massive stellar evolution, with only one source previously known in the Milky Way.
Kishalay De, Fiona A. Daly, R. Soria
semanticscholar +1 more source