Optical variation and outburst of OJ 287

Details Optical variation and outburst of OJ 287 Optical variation and outburst of OJ 287

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986acasn..27..137l&link_type=abstract

(Acta Astronomica Sinica, vol. 27, 1986, p. 137-143) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 10, Sept. 1986, p

Astronomy and Astrophysics

Astrophysics

Astronomical Photometry, Bl Lacertae Objects, Bursts, Light Curve, Temporal Distribution

Scientific paper

UBV magnitudes and color indices have been obtained during a continuous 4-year monitoring program. The main results are as follows: (1) A proposed variation on a time scale of about 8 days with an amplitude of B = 0.37 was confirmed. (2) During the period of 1980 - 1982, OJ 287 was stable. The authors recorded an outburst of B = 14m.25 in March 1983. (3) An optical light curve for the period 1968 - 1984, constructed from all published photographic data shows evidence for the existence of an optical variation with larger amplitude (ΔB = 1m.25 - 4m.00) and a long time scale (2 - 4 years) except the variability on a time scale of about 8 days with an amplitude of ΔB = 0m.37.

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