B-band photometry of BL Lac object ON 231 Virtual Observatory Resource

Authors

1. Babadzhanyants M.K.
2. Belokon' E.T.

Published by

CDS

Abstract

The results of 19-year optical monitoring of ON 231 are presented. Photographic B-band observations were obtained during 123 nights from April 1972 to March 1990 as part of the quasar monitoring program carried out the Astronomical Institute of St. Petersburg State University.

Keywords

1. radio-sources
2. quasars
3. visible-astronomy
4. Wide-band photometry

Bibliographic source Bibcode

2002AZh....79..675B

See also HTML

https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AZh/79/675

IVOA Identifier IVOID

ivo://CDS.VizieR/J/AZh/79/675

Access

Web browser access HTML

http://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AZh/79/675
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AZh/79/675
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AZh/79/675

IVOA Table Access TAP

http://tapvizier.cds.unistra.fr/TAPVizieR/tap
Run SQL-like queries with TAP-enabled clients (e.g., TOPCAT).