Measuring the Accreting Stellar and Intermediate Mass Black Hole Populations in the Galaxy and Local Group
Astrophysics(2010)
摘要
The population of stellar black holes (SBHs) in the Galaxy and galaxies
generally is poorly known in both number and distribution. SBHs are the fossil
record of the massive stars in galaxy evolution and may have produced some (if
not all) of the intermediate mass (\gsim100\Msun) black holes (IMBHs) and, in
turn, the central supermassive black holes (SMBHs) in galactic nuclei. For the
first time, a Galaxy-wide census of accreting black holes, and their more
readily recognizable tracer population, accreting neutron stars (NSs), could be
measured with a wide-field hard X-ray imaging survey and soft X-ray and
optical/IR prompt followup -- as proposed for the EXIST mission.
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关键词
galaxy evolution,black hole,intermediate mass black hole,neutron star
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