Variability of Cyg X-1 in 1994-1998 Virtual Observatory Resource

Authors

1. Karitskaya E.A.
2. Voloshina I.B.
3. Goransky V.P.
4. Grankin K.N.,Dzhaniashvili I.B
5. Ezhkova O.V.
6. Kochiashvili N.T.
7. Kumsiashvili M.I.,Kusakin A.V.
8. Lyutyi V.M.
9. Mel'Nikov S.Yu.
10. Metlova N.V.

Published by

CDS

Abstract

Photoelectric UBVR photometry of Cyg X-1 obtained during the coordinated international campaign 'Optical Monitoring of Unique Astrophysical objects', carried out in observatories of CIS countries (Georgia, Kazakhstan, Russia, Uzbekistanin and Ukraine) 1994-1998 is presented. The data are presented as a single set, taking into account systematic differences between individual data sets. In total 2258 UBVR observations were obtained during 407 nights.

Keywords

1. x-ray-binary-stars
2. infrared-photometry
3. visible-astronomy
4. Wide-band photometry

Bibliographic source Bibcode

2001AZh....78..408K

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