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2005MNRAS.362..879S - Mon. Not. R. Astron. Soc., 362, 879-890 (2005/September-3)
High-mass X-ray binaries in the Small Magellanic Cloud: the luminosity function.
SHTYKOVSKIY P. and GILFANOV M.
Abstract (from CDS):
The observed number of HMXBs is consistent with the prediction based on star formation rate (SFR) estimates derived from the supernovae frequency and an analysis of colour-magnitude diagrams for the stellar population. If, on the contrary, the true value of the SFR is better represented by far-infrared-, Hα- and ultraviolet-based estimators, then the abundance of HMXBs in the SMC may significantly (by a factor of as much as ∼10) exceed the value derived for the Milky Way and other nearby galaxies. The shape of the observed distribution at the bright end is consistent with the universal HMXB X-ray luminosity function. At the faint end, LX≲ 2x1035 erg/s, the upper limit on the luminosity function is consistent with the L–0.6 power law, while the lower limit is significantly flatter than this.
Abstract Copyright: 2005 RAS
Journal keyword(s): stars: neutron - Magellanic Clouds - X-rays: binaries - X-rays: galaxies
Nomenclature: Table 2: [SG2005] SMC NN (Nos 1-50).
Simbad objects: 57
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