Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ap%26ss.123..137l&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 123, no. 1, June 1986, p. 137-144.
Astronomy and Astrophysics
Astronomy
1
Black Holes (Astronomy), Quasars, Red Shift, Accretion Disks, Astronomical Models, Emission Spectra, Line Spectra
Scientific paper
With the aid of a simple black hole model of quasars the authors have found that the majority of the distinguishable emission lines in the spectrum of the quasar 1604+179 can be assigned to two redshift systems, zr = 3.712 and zb = 2.701. The appearance of double emission redshifts means that this quasar might be a massive black hole (of mass 108M_sun; ⪉ M ⪉ 1011M_sun;) with a ring-like emission line region (of radius 1 light-day ⪉ r0 ⪉ 1 light-year) in its accretion disk.
Deng Zu-Gang
Huang Jia-Hong
Liu Zheng-You
Zhou Yanhua
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