A Possible Periodicity in the Radio Light Curves of 3C 120

Details A Possible Periodicity in the Radio Light Curves of 3C 120 A Possible Periodicity in the Radio Light Curves of 3C 120

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007pnaoc...4..307m&link_type=abstract

Astronomical Research and Technology. Publications of National Astronomical Observatories of China (ISSN 1672-7673), Vol. 4, No.

Astronomy and Astrophysics

Astronomy

Active Galaxies, Data Analysis, Light Curves

Scientific paper

In this paper, using two methods (the Jurkevich and the Power Spectral Analysis method) the radio variability of Seyfert galaxy 3C 120 at five radio bands (4.8, 8, 14.5, 22 and 37 GHz) are studied. A periodicity of about 4.20±0.12 year during post-1978 epoch was found for all the five radio bands. This periodicity probably can be explained by the double black hole model.

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