Spectrum of dust heated by thick accretion disks of pregalactic black holes

Details Spectrum of dust heated by thick accretion disks of pregalactic black holes Spectrum of dust heated by thick accretion disks of pregalactic black holes

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987acasn..28..168x&link_type=abstract

(Acta Astronomica Sinica, vol. 28, no. 2, 1987, p. 168-172) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 11, Sept.

Astronomy and Astrophysics

Astronomy

Accretion Disks, Black Holes (Astronomy), Cosmic Dust, Cosmic Rays, Galactic Evolution, Spectrum Analysis, Astronomical Spectroscopy, Background Radiation, Density Distribution, Lyman Alpha Radiation, Microwaves

Scientific paper

The spectrum of dust heated by accretion disks of supermassive objects (SMOs) and the effect of the reradiation on the cosmic microwave background are discussed. The main results are: (1) whether or not there is Lyman-alpha cutoff, the dust radiation in the case of SMOs is very strong and will appreciatively distort the microwave background; and (2) in spite of (1), the dust radiation spectrum is different when Lyman-alpha cutoff is present and when it is absent, and the two cases can be distinguished observationally. An IR search in the range 200-900 microns would be useful in this connection.

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