Results 11 to 20 of about 85,413 (296)
Multiwavelength Characterization of the High-mass X-Ray Binary Population of M33
We present multiwavelength characterization of 65 high-mass X-ray binary (HMXB) candidates in M33. We use the Chandra ACIS survey of M33 (ChASeM33) catalog to select hard X-ray point sources that are spatially coincident with UV-bright point-source ...
Margaret Lazzarini +14 more
doaj +1 more source
Bowen Fluorescence from Companion Stars in X-Ray Binaries [PDF]
AbstractThis paper will review a new technique of detecting companion stars in LMXBs and X-ray transients in outburst using the Bowen fluorescence NIII lines at 4634-4640. These lines are very efficiently reprocessed in the atmospheres of the companion stars and, thereby, provide estimates of the K2 velocities and mass functions.
Casares, J +5 more
openaire +3 more sources
Radio Emitting X-ray Binary Stars [PDF]
Some of the most astrophysically interesting objects are found among the radio-emitting X-ray binary stars (REXRB). The class includes the well-studied objects such as SS 433, Cyg X-3 and Sco X-1. The recent discoveries of relativistic ejection of radio knots in the X-ray transients 1915+105 (Mirabel & Rodriguez 1994) and 1655–40 (Hjellming & ...
openaire +1 more source
Back to Business: SLX 1746–331 after 13 Years of Silence
The black hole candidate system SLX 1746–331 was back to business in 2023, after a long silence of roughly 13 years. An outburst was observed thoroughly by Insight-HXMT and NICER.
Jing-Qiang Peng +19 more
doaj +1 more source
X-rays from Hot Subdwarfs [PDF]
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 X-ray emission of Be+stripped star binaries★
ABSTRACT Using observations from Chandra, Swift, and XMM-Newton, we investigate the high-energy properties of all known (18) Be+sdO systems as well as seven additional Be binaries suspected to harbour stripped stars. The observed X-ray properties are found to be similar to those observed for other Be samples.
Nazé, Yaël +3 more
openaire +2 more sources
Magnetic Flares on Asymptotic Giant Branch Stars [PDF]
We investigate the consequences of magnetic flares on the surface of asymptotic giant branch (AGB) and similar stars. In contrast to the solar wind, in the winds of AGB stars the gas cooling time is much shorter than the outflow time.
Bochanski J. J. +13 more
core +4 more sources
Beam Pattern Evolution of Accreting X-Ray Pulsar 1A 0535+262 during Its 2020 Giant Outburst
We report on pulse profile decomposition analysis of bright transient X-ray pulsar 1A 0535+262 using broadband Insight-HXMT observations during a giant outburst of the source in 2020.
Y. F. Hu +9 more
doaj +1 more source
Debris Disks around Solar-Type Stars: Observations of the Pleiades with Spitzer Space Telescope [PDF]
We present Spitzer MIPS observations at 24 um of 37 solar-type stars in the Pleiades and combine them with previous observations to obtain a sample of 71 stars.
Gorlova, N. I. +5 more
core +2 more sources
On X‐Ray Variability in Active Binary Stars
We compare the count-rates of active binaries observed by Einstein and ROSAT. We find significant evidence for short-term variability (approx 0.32) and marginal evidence for a larger variability at longer timescales (approx 0.38). Modeling this excess as cyclic variability, we place an upper limit on the relative amplitude of the cyclic component ...
Kashyap, Vinay, Drake, Jeremy
openaire +2 more sources

