High-mass X-ray binaries in a cosmological context

Recent observational and theoretical results suggest that the production rates and luminosities of high-mass X-ray binaries depend on metallicity. To test this prediction, we combine HMXB population synthesis results with numerical simulations of galaxy formation to produce synthetic populations of...

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Bibliographic Details
Published inProceedings of the International Astronomical Union Vol. 8; no. S290; pp. 183 - 184
Main Authors Artale, María Celeste, Pellizza, Leonardo J., Tissera, Patricia B., Mirabel, I. Felix
Format Journal Article
LanguageEnglish
Published Cambridge, UK Cambridge University Press 01.08.2012
Subjects
Astronomy
Contributed Papers
Double stars
Luminosity
Metals
Star & galaxy formation
X-ray astronomy
X-ray: binaries
galaxies – stars: evolution – galaxies: abundances
evolution
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Summary:Recent observational and theoretical results suggest that the production rates and luminosities of high-mass X-ray binaries depend on metallicity. To test this prediction, we combine HMXB population synthesis results with numerical simulations of galaxy formation to produce synthetic populations of HMXBs in star-forming galaxies, and compare the model predictions to observations of HMXB populations in nearby and high-redshift galaxies. Our models show a fair agreement with observations only when the HMXB production and luminosities are assumed to depend strongly on metallicity.
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ISSN:1743-9213
1743-9221
DOI:10.1017/S1743921312019527