The Effect of Common Envelope Evolution on the Formation of High Mass X-Ray Binaries

Details The Effect of Common Envelope Evolution on the Formation of High Mass X-Ray Binaries The Effect of Common Envelope Evolution on the Formation of High Mass X-Ray Binaries

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aspc..447..121l&link_type=abstract

Evolution of compact binaries. Proceedings of a workshop held at Hotel San Martín, Viña del Mar, Chile 6–11 May 2011. ASP Confe

Astronomy and Astrophysics

Astronomy

Scientific paper

Common Envelope (CE) phases serve a critical role in the creation of high mass X-Ray binaries (HMXBs) as the primary force which moves initially loosely bound binary companions into tight orbits capable of supporting efficient material transport onto the compact object. We investigate the impact of CE phases on young (< 20 Myr) and bright (Lx< 1 × 1036 erg s-1) X-ray binaries, finding CE evolution to produce a robust population of HMXBs with luminosities powered by Roche lobe overflow onto black hole accretors. We find that HMXBs formed through CE evolution match the observed luminosity and spatial distribution and metallicity dependence of the peculiar high luminosity extension of HMXBs known as the ultra-luminous X-ray sources (ULX).

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