Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26a...356l..21b&link_type=abstract
Astronomy and Astrophysics, v.356, p.L21-L24 (2000)
Astronomy and Astrophysics
Astrophysics
8
Galaxies: Bl Lacertae Objects: General, Galaxies: Bl Lacertae Objects: Individual:
Scientific paper
The extraordinary optical outburst of ON 231 which occurred in spring 1998 (Massaro et al. \cite{mss99}) and its behavior during 1999 is in very good agreement with the predictions made by use of the 3.8-year period that was found from the analysis of prior observations (all B-band data available in the 1971-1997 time interval). The periodic outbursts of ON 231 have a multi-peak structure that is possibly a more complex variant of the double-peak one detected for periodic outbursts in OJ 287. Some further predictions of variability behavior are given. Table~1 is only available electronically at the CDS via anonymous ftp 130.79.128.5
Babadzhanyants M. K.
Belokon' E. T.
Pollock Joseph T.
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