Variable Doppler shifts of the thermal wind absorption lines in low-mass X-ray binaries

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F14%3A00225525" target="_blank" >RIV/68407700:21230/14:00225525 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1093/mnras/stt2119" target="_blank" >http://dx.doi.org/10.1093/mnras/stt2119</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1093/mnras/stt2119" target="_blank" >10.1093/mnras/stt2119</a>

Result language
angličtina
Original language name
Variable Doppler shifts of the thermal wind absorption lines in low-mass X-ray binaries
Original language description
In this paper, we address the general applicability of the method pioneered by Zhang, Liao & Yao in which the motion of the compact object can be tracked using wind X-ray absorption lines. We present the velocity measurements of the thermal wind lines observed in the X-ray spectrum of a few low-mass X-ray binaries: GX 13+1, H 1743-322, GRO J1655-40 and GRS 1915+105. We find that the variability in the velocity of the wind lines in about all of the sources is larger than conceivable radial velocity variations of the compact object. GX 13+1 provides a potential exception, although it would require the red giant star to be massive with a mass of approximate to 5-6 M-circle dot. We conclude that the variability of the source luminosity occurring on a time-scale of days/months can affect the outflow properties making it difficult to track the orbital motion of the compact object using current observations. Given the intrinsic variability of the outflows we suggest that low-mass X-ray binari
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JA - Electronics and optoelectronics
OECD FORD branch
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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