B-band photometry of BL Lac object ON 231

Dataset

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.

Identifier
Source	https://dc.g-vo.org/rr/q/lp/custom/CDS.VizieR/J/AZh/79/675
Related Identifier	https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AZh/79/675
Related Identifier	http://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AZh/79/675
Metadata Access	http://dc.g-vo.org/rr/q/pmh/pubreg.xml?verb=GetRecord&metadataPrefix=oai_b2find&identifier=ivo://CDS.VizieR/J/AZh/79/675

Provenance
Creator	Babadzhanyants M.K.; Belokon' E.T.
Publisher	CDS
Publication Year	2003
Rights	https://cds.unistra.fr/vizier-org/licences_vizier.html
OpenAccess	true
Contact	CDS support team <cds-question(at)unistra.fr>

Representation
Resource Type	Dataset; AstroObjects
Discipline	Astrophysics and Astronomy; Cosmology; Galactic and extragalactic Astronomy; High Energy Astrophysics; Natural Sciences; Observational Astronomy; Physics; Stellar Astronomy