Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.217...77m&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 217, Nov. 1, 1985, p. 77-85.
Astronomy and Astrophysics
Astrophysics
19
Accretion Disks, Black Holes (Astronomy), Galactic Structure, Mass To Light Ratios, Matter (Physics), Missing Mass (Astrophysics), Infrared Astronomy, Interstellar Matter, Milky Way Galaxy, Stellar Evolution, Supermassive Stars, Synchrotron Radiation
Scientific paper
Recent work attempting to establish the presence of dark matter in the solar neighbourhood has led to renewed interest in the search for the nature of this matter. The author provides independent constraints on such dark massive objects, if they are black holes, by the requirement that their radiation due to accretion from the ISM should not make the nearest ones directly observable as optical objects. He also predicts the expected infrared brightness. He shows that halo holes must be less massive than about 103M_sun;, and that the dark matter in the galactic disc cannot be made up of black holes of mass more than 10 M_sun;. Even if black holes do not make up the dark matter, they are expected to be present in the disc as remnants of massive stars.
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