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X-rays from hot subdwarfs

Journal
Date Issued
2016
Author(s)
•
DOI
Abstract
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. The small but growing sample of hot subdwarfs detected in X-rays includes binary systems, in which the X-rays result from wind accretion onto a compact companion (white dwarf or neutron star), as well as isolated sdO stars in which X-rays are probably due to shock instabilities in the wind. X-ray observations of these low mass stars provide information which can be useful also for our understanding of the winds of more luminous and massive early-type stars and can lead to the discovery of particularly interesting binary systems.
Volume
58
Issue
5
Start page
809
Uri
Url
Issn Identifier
0273-1177
Ads BibCode
2016AdSpR..58..809M
Rights
open.access
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