Black-hole syndrome in giant molecular clouds at the Galactic Center

Details Black-hole syndrome in giant molecular clouds at the Galactic Center Black-hole syndrome in giant molecular clouds at the Galactic Center

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994pasj...46..315f&link_type=abstract

PASJ: Publications of the Astronomical Society of Japan, vol. 46, no. 3, p. 315-317

Astronomy and Astrophysics

Astronomy

2

Black Holes (Astronomy), Galactic Nuclei, Molecular Clouds, X Ray Sources, Equations Of Motion, Stellar Mass

Scientific paper

At the Galactic Center it is expected that the space density of black holes with stellar mass is high, and that one of them meets a giant molecular cloud (GMC) with a mean interval of 106 yr. When such a black hole wandering about the Galactic Center encounters the GMC, it swallows up the GMC's gas while losing a specific momentum and angular momentum. If the relative speed between the black hole and the GMC is sufficiently small (less than a few km s-1), it consumes a mass comparable to its initial mass before crossing the GMC. As a result, the black hole terminates in the GMC with a timescale of 106 yr- syndrome-and metamorphoses into a predator of the GMC. Within 107 yr, it completely consumes the GMC and eventually becomes a massive black hole.

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