Reflecting on accretion in neutron star low-mass X-ray binaries
Sign Up to like & getrecommendations! Published in 2024 at "Astrophysics and Space Science"
DOI: 10.1007/s10509-024-04281-y
Abstract: Neutron star low-mass X-ray binaries accrete via Roche-lobe overflow from a stellar companion that is ≲ 1 M⊙. The accretion disk in these systems can be externally illuminated by X-rays that are reprocessed by the… read more here.
Keywords: neutron star; low mass; star low; mass ray ... See more keywords
Radiography in high mass X-ray binaries
Sign Up to like & getrecommendations! Published in 2020 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/202038791
Abstract: Context. In high mass X-ray binaries, an accreting compact object orbits a high mass star which loses mass through a dense and read more here.
Keywords: radiography high; mass; mass ray; ray binaries ... See more keywords
SGR 0755−2933: a new high-mass X-ray binary with the wrong name
Sign Up to like & getrecommendations! Published in 2021 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/202039785
Abstract: The soft gamma-ray repeater candidate SGR 0755$-$2933 was discovered in 2016 by Swift/BAT, which detected a short ($\sim$30 ms) powerful burst typical of magnetars. To understand the nature of the source, we present here an… read more here.
Keywords: new high; sgr 0755; mass ray; 0755 2933 ... See more keywords
Orbital and sub-orbital period determination of the candidate high-mass X-ray binary HD 3191
Sign Up to like & getrecommendations! Published in 2021 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/202140545
Abstract: The final aim of this paper is to expand the sparse group of X-ray binaries with gamma-ray counterparts as laboratories to study high-energy processes under physical conditions that periodically repeat. A follow-up of a candidate… read more here.
Keywords: period; orbital period; mass ray; ray ... See more keywords
Case Study on the γ-algorithm: Possible Tests from the Luminosity versus Displacement Correlation of High Mass X-ray Binaries
Sign Up to like & getrecommendations! Published in 2021 at "Research in Astronomy and Astrophysics"
DOI: 10.1088/1674-4527/ac3125
Abstract: Using the apparent correlation of luminosity (LX) versus displacement (R) of high mass X-ray binaries (HMXBs), we aim to constrain the common envelope (CE) mechanism, which is vital in the formation and evolution of compact… read more here.
Keywords: luminosity versus; versus displacement; correlation; mass ray ... See more keywords
Early neutron star evolution in high-mass X-ray binaries
Sign Up to like & getrecommendations! Published in 2020 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staa675
Abstract: The application of standard accretion theory to observations of X-ray binaries provides valuable insights into neutron star properties, such as their spin period and magnetic field. However, most studies concentrate on relatively old systems, where… read more here.
Keywords: neutron star; mass ray; high mass; ray binaries ... See more keywords
Spectroscopic modelling of two high-mass X-ray binaries, Cyg X–3 and 4U 1538–522
Sign Up to like & getrecommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stab2231
Abstract: We report a detailed modelling of soft X-ray emission lines from two stellar wind-fed Galactic high-mass X-ray binary (HMXB) systems, Cyg X-3 and 4U 1538-522, and estimate physical parameters, e.g. hydrogen density, radiation field, chemical… read more here.
Keywords: field; mass ray; cyg 1538; high mass ... See more keywords
Probing outbursts of the transient neutron star low mass X-ray binary Aql X-1 with NICER: a study of spectral evolution
Sign Up to like & getrecommendations! Published in 2024 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stae1711
Abstract: X-ray observations of neutron star (NS) low mass X-ray binaries (LMXBs) are useful to probe physical processes close to the NS and to constrain source parameters. Aql X-1 is a transient NS LMXB which frequently… read more here.
Keywords: mass ray; star low; spectral evolution; neutron star ... See more keywords
Testing the relativistic precession model using low-frequency and kHz quasi-periodic oscillations in neutron star low-mass X-ray binaries with known spin
Sign Up to like & getrecommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stw2961
Abstract: We analyse all available RXTE data on a sample of 13 low-mass X-ray binaries with known neutron star spin that are not persistent pulsars. We carefully measure the correlations between the centroid frequencies of the… read more here.
Keywords: frequency; neutron star; mass ray; precession ... See more keywords
The reflection spectrum of the low-mass X-ray binary 4U 1636-53
Sign Up to like & getrecommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stx671
Abstract: We present 3–79 keV NuSTAR observations of the neutron star low-mass X-ray binary 4U 1636−53 in the soft, transitional and hard state. The spectra display a broad emission line at 5–10 keV. We applied several… read more here.
Keywords: line; mass ray; binary 1636; low mass ... See more keywords
Formation time-scales for high-mass X-ray binaries in M33
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty1612
Abstract: We have identified 55 candidate high-mass X-ray binaries (HMXBs) in M33 using available archival {\it HST} and {\it Chandra} imaging to find blue stars associated with X-ray positions. We use the {\it HST} photometric data… read more here.
Keywords: mass; formation; mass ray; ray binaries ... See more keywords