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| Query : 2000A&A...356L..21B |
2000A&A...356L..21B - Astronomy and Astrophysics, volume 356, L21-24 (2000/4-1)
ON 231: the testing of 3.8-year period for optical outbursts with multi-peak structure.
BELOKON E.T., BABADZHANYANTS M.K. and POLLOCK J.T.
Abstract (from CDS):
The extraordinary optical outburst of ON 231 which occurred in spring 1998 (Massaro et al., 1999A&A...342L..49M) 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.
Abstract Copyright: ∼
Journal keyword(s): galaxies: BL Lacertae objects: general - galaxies: BL Lacertae objects: individual: ON 231
VizieR on-line data: <Available at CDS (J/A+A/356/L21): table1.dat>
Simbad objects: 2
| Number of rows : 2 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2024 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | QSO J0854+2006 | BLL | 08 54 48.8749846272 | +20 06 30.639583620 | 15.91 | 15.43 | 15.56 | ~ | 2329 | 1 | ||
| 2 | 7C 1219+2830 | BLL | 12 21 31.6904439888 | +28 13 58.500308172 | 16.81 | 16.11 | 14.24 | ~ | 873 | 1 |
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