A Black Hole in BG Geminorum?

Details A Black Hole in BG Geminorum? A Black Hole in BG Geminorum?

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009xmm..prop...93r&link_type=abstract

XMM-Newton Proposal ID #06524401

Physics

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, Bg Gem

Scientific paper

We propose to observe the Galactic black hole candidate BG Gem for 10 ks with EPIC-pn onboard XMM-Newton. A detection of this system at a luminosity greater than 10^31 erg s^-1 would significantly bolster the case for the presence of a stellar mass black hole primary. If confirmed, then BG Gem would be the black hole binary with the longest orbital period (by a factor of 3), in addition to being the only eclipsing Galactic black hole binary system. The discovery of a nearby eclipsing quiescent black hole would facilitate a unique opportunity to study the physics of black hole accretion at low luminosity (L_x ~ 10^-7 L_Edd).

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