VARIABILITY OF QUASAR IO AND FROM 1967 - 1993

Authors
SHAROV AS
Citation
As. Sharov, VARIABILITY OF QUASAR IO AND FROM 1967 - 1993, Astronomy letters, 20(4), 1994, pp. 432-434
Citations number
7
Categorie Soggetti
Astronomy & Astrophysics
Journal title
Astronomy letters → ACNP
ISSN journal
10637737
Volume
20
Issue
4
Year of publication
1994
Pages
432 - 434
Database
ISI
SICI code
1063-7737(1994)20:4<432:VOQIAF>2.0.ZU;2-Q
Abstract
A light curve of quasar IO And is presented for 1967 - 1993. The objec t is variable in the range B = 15.9m - 17.3m. Since 1982, the 5-year c ycles in brightness variations, which were reported earlier, have not been confirmed by our observations.