Abstract
So far we have concentrated on supermassive black holes (\( 10^{5-10}\,\, \mathrm{M}_{\bigodot} \)) at the centers of galaxies. Except during merger events, we expect, at most, one of these per galaxy and with a mass of \( \sim10^{-3} \) of that galaxy’s spheroidal bulge mass. The existence of black holes much larger than this is very unlikely, both theoretically and observationally: there is no reasonable evolutionary scenario by which such an object could be made, and we have no observational evidence for such hypermassive objects.
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© 2012 Springer-Verlag Berlin Heidelberg
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Meier, D.L. (2012). Microquasars: Black Holes (and Neutron Stars) of Stellar Mass in Our Galaxy. In: Black Hole Astrophysics. Springer Praxis Books(). Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-01936-4_3
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DOI: https://doi.org/10.1007/978-3-642-01936-4_3
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-01935-7
Online ISBN: 978-3-642-01936-4
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