Optical periodicity analysis for radio selected BL Lacertae objects (RBLs)

Details Optical periodicity analysis for radio selected BL Lacertae objects (RBLs) Optical periodicity analysis for radio selected BL Lacertae objects (RBLs)

Jan 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002a%26a...381....1f&link_type=abstract

Astronomy and Astrophysics, v.381, p.1-5 (2002)

Astronomy and Astrophysics

Astrophysics

32

Methods: Data Analysis, Galaxies: Bl Lacertae Objects: General, Galaxies: Photometry

Scientific paper

The recently compiled historical lightcurves of 10 RBLs are probed with the Jurkevich method in a search for periodic behaviour. Monte Carlo simulations of artificial lightcurves are used to detect spurious periods and evaluate sources of error in this kind of analysis. Additional analysis based on the discrete correlation function (DCF) provides confirmation for those periods that could have physical significance. We find that periods in the range 1.4-17.85 yr are present in nine objects of the sample. Figures 2 to 10 are only available in electronic form at http://www.edpsciences.org

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