SIMBAD references

2008MNRAS.388.1198M - Mon. Not. R. Astron. Soc., 388, 1198-1204 (2008/August-2)

Spectral distribution of Be/X-ray binaries in the Small Magellanic Cloud.


Abstract (from CDS):

The spectral distributions of Be/X-ray binaries in the Large Magellanic Cloud and Galaxy have been shown to differ significantly from the distribution of isolated Be stars in the Galaxy. Population synthesis models can explain this difference in spectral distributions through substantial angular momentum loss from the binary system. In this work, we explore the spectral distribution of Be/X-ray binaries in the Small Magellanic Cloud (SMC) using high signal-to-noise ratio spectroscopy of a sample of 37 optical counterparts to known X-ray pulsars. Our results show that the spectral distribution of Be/X-ray binaries in the SMC is consistent with that of the Galaxy, despite the lower metallicity environment of the SMC. This may indicate that, although the metallicity of the SMC is conducive to the formation of a large number of high-mass X-ray binaries, the spectral distribution of these systems is likely to be most strongly influenced by angular momentum losses during binary evolution, which are not particularly dependent on the local metallicity.

Abstract Copyright: © 2008 The Authors. Journal compilation © 2008 RAS

Journal keyword(s): binaries: general - emission-line, Be - Magellanic Clouds

VizieR on-line data: <Available at CDS (J/MNRAS/388/1198): table24.dat refs.dat>

CDS comments: In Table 1 : SAX J0653+0533 is a misprint for SAX J0635+0533.

Simbad objects: 64

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