1994-1996 Optical Outbursts of the BL Lac Object OJ 287

Details 1994-1996 Optical Outbursts of the BL Lac Object OJ 287 1994-1996 Optical Outbursts of the BL Lac Object OJ 287

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997pasp..109..300a&link_type=abstract

Publications of the Astronomical Society of the Pacific, v.109, p.300-302

Astronomy and Astrophysics

Astronomy

7

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

Scientific paper

VRI bands CCD photometric observations of the BL Lac object OJ 287 have been carried out during the period from 1994 October to 1196 May, with a mean interval of about a week. OJ 287 underwent two major outbursts during our observations. The first peak (V = 14.0 mag) occurred in the first half of 1994 November and faded out to 16.5 mag within 150 days. The second peak (V = 14.0 mag) was observed in the second half of 1995 December. The latter peak continued at nearly the same brightness until 1996 May. Such a long lasting outburst has never been reported for OJ 287. Color indices (V - R and V - I) remained nearly constant during the interval. (SECTION: Quasars and Active Galactic Nuclei)

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