Time scale of optical variability of galaxy nuclei as a function of their luminosity and mass

Details Time scale of optical variability of galaxy nuclei as a function of their luminosity and mass Time scale of optical variability of galaxy nuclei as a function of their luminosity and mass

Jun 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976sval....2...90d&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 2, May 1976, p. 230-234.) Soviet Astronomy Letters, vol. 2, May-June 1976, p. 90-92. Tr

Astronomy and Astrophysics

Astronomy

4

Galactic Nuclei, Luminous Intensity, Quasars, Seyfert Galaxies, Stellar Mass, Astronomical Spectroscopy, Galactic Structure, Interstellar Gas, Light Curve, Time Response

Scientific paper

The optical-variability time scales, typical flare energies, and bolometric luminosities are determined for a number of Seyfert galaxies and quasars. Dependences of the time scale of variability on the nuclear luminosity and mass are presented. The upper limit to the dimensions of the optically variable region is estimated to be 100 to 1000 times the gravitational radius of the central body.

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