The Optical Variability of 3C273

Details The Optical Variability of 3C273 The Optical Variability of 3C273

Jun 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001chjaa...1..245l&link_type=abstract

Chinese Journal of Astronomy & Astrophysics, Vol. 1, p. 245-249

Astronomy and Astrophysics

Astrophysics

4

Galaxies: Active, Galaxies: Individual: 3C273

Scientific paper

B-band measurements of 3C273 over some 110 years are compiled and used in a search for periodicities using the Jurkevich method. Periods of 2.0, 13.65±0.20 and 22.5±0.2 yr are found. If the long-term periodicity is from the instability of a slim disk, then the periodicity (~ 13-yr or ~ 22-yr) suggests masses of 107 Msun for the central black holes.

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