Photometric Monitoring of OJ 287 from 2002 to 2007

Details Photometric Monitoring of OJ 287 from 2002 to 2007 Photometric Monitoring of OJ 287 from 2002 to 2007

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009apjs..181..466f&link_type=abstract

The Astrophysical Journal Supplement, Volume 181, Issue 2, pp. 466-472 (2009).

Astronomy and Astrophysics

Astronomy

7

Bl Lacertae Objects: Individual: Oj 287, Galaxies: Photometry

Scientific paper

OJ 287 is one of the best studied blazars. It is also a prime target in our long-term blazar monitoring program carried out with the 1.56 m telescope at the Sheshan Station of the Shanghai Astronomical Observatory, China. Here, we present optical photometry results of V, R, and I passbands of the BL Lacertae object OJ 287 (0851+202) carried out from 2002 January to 2007 February. The largest variations of ΔV = 1.96 mag (14.01-15.97 mag), ΔR = 2.36 mag (13.39-15.75 mag), and ΔI = 1.95 mag (12.79-14.74 mag) were detected in our observations. Intraday variation timescales of ~10 minutes to 2 hr were detected in optical passbands.

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