XMM‐Newton Observations of the Peculiar Be X‐Ray Binary A0538‐66
Sign Up to like & getrecommendations! Published in 2024 at "Astronomische Nachrichten"
DOI: 10.1002/asna.20240098
Abstract: A0538‐66 is a neutron star/Be x‐ray binary located in the Large Magellanic Cloud and, since its discovery in the 70s, it showed a peculiar behavior that makes it a unique object in the high‐mass x‐ray… read more here.
Keywords: ray binary; neutron star; xmm newton; newton observations ... See more keywords
Stratified wind from a super-Eddington X-ray binary is slower than expected
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DOI: 10.1038/s41586-025-09495-w
Abstract: Accretion disks in strong gravity ubiquitously produce winds, seen as blueshifted absorption lines in the X-ray band of both stellar mass X-ray binaries (black holes and neutron stars)1, 2, 3–4 and supermassive black holes5. Some… read more here.
Keywords: wind; ray binary; eddington; absorption lines ... 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
An eccentric wave in the circumstellar disc of the Be/X-ray binary X Persei
Sign Up to like & getrecommendations! Published in 2020 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staa3065
Abstract: We present spectroscopic observations of the Be/X-ray binary X Per obtained during the period December 2017 - January 2020 (MJD~58095 - MJD~58865). In December 2017 the $H\alpha$, $H\beta$, and HeI 6678 emission lines were symmetric… read more here.
Keywords: wave circumstellar; eccentric wave; circumstellar disc; disc ... See more keywords
Radio/X-ray correlations and variability in the X-ray binary LS I +61°303
Sign Up to like & getrecommendations! Published in 2020 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/staa3557
Abstract: The high-mass X-ray binary LS I +61°303 exhibits variability in its radio and X-ray emissions, ranging from minute to hour time-scales. At such short time-scales, not much is known about the possible correlations between these… read more here.
Keywords: binary 303; radio ray; radio; variability ... See more keywords
Multiwavelength observations reveal a faint candidate black hole X-ray binary in IGR J17285−2922
Sign Up to like & getrecommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stab2127
Abstract: IGR J17285−2922 is a known X-ray binary with a low peak 2–10 keV X-ray luminosity of ∼ 1036 erg s−1 during outburst. IGR J17285−2922 exhibited two outbursts in 2003 and 2010 and went into outburst again in 2019. We have monitored… read more here.
Keywords: igr j17285; ray; j17285 2922; ray binary ... See more keywords
XMMU J050722.1−684758: discovery of a new Be X-ray binary pulsar likely associated with the supernova remnant MCSNR J0507−6847
Sign Up to like & getrecommendations! Published in 2021 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stab716
Abstract: We report the discovery of a new high mass X-ray binary pulsar, XMMU J050722.1-684758, possibly associated with the supernova remnant MCSNR J0507-6847 in the Large Magellanic Cloud, using XMM-Newton X-ray observations. Pulsations with a periodicity… read more here.
Keywords: j050722 684758; remnant; supernova remnant; xmmu j050722 ... See more keywords
Broad-band study of the Be X-ray binary RX J0520.5–6932 during its outburst in 2024
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DOI: 10.1093/mnras/stae2676
Abstract: A new giant outburst of the Be X-ray binary RX J0520.5–6932 was detected and subsequently observed with several space-borne and ground-based instruments. This study presents a comprehensive analysis of the optical and X-ray data, focusing… read more here.
Keywords: ray binary; broad band; binary j0520; j0520 6932 ... See more keywords
The ultracompact nature of the black hole candidate X-ray binary 47 Tuc X9
Sign Up to like & getrecommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stx166
Abstract: 47 Tuc X9 is a low-mass X-ray binary (LMXB) in the globular cluster 47 Tucanae, and was previously thought to be a cataclysmic variable. However, Miller-Jones et al. recently identified a radio counterpart to X9… read more here.
Keywords: black hole; white dwarf; ultracompact nature; ray ... 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
HST spectrum and timing of the ultracompact X-ray binary candidate 47 Tuc X9
Sign Up to like & getrecommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty284
Abstract: To confirm the nature of the donor star in the ultra-compact X-ray binary candidate 47 Tuc X9, we obtained optical spectra (3,000$-$10,000 {\AA}) with the Hubble Space Telescope / Space Telescope Imaging Spectrograph. We find… read more here.
Keywords: candidate tuc; ray; binary candidate; ray binary ... See more keywords