VizieR Online Data Catalog: Second Byurakan Survey. General Catalogue (Stepanian, 2005)
Abstract
The Second Byurakan Survey is a continuation of the Markarian survey, which aimed to reach fainter limiting magnitudes. The investigation of fainter objects, in particular QSOs, required the extension of the survey to these fainter magnitudes. The SBS survey is in fact the first simultaneous and combined survey of galaxies and quasars. The SBS objective-prism observations started in 1974 and finished in 1986. Plate searching was completed in 1991. Between 1974 and 1986 a total area of 991 square degrees of the Northern sky was observed. This area is confined to the strip defined by 7:40 < α <17:15 in right ascension and +49:00 < δ < +61:00 in declination.
(5 data files).- Publication:
-
VizieR Online Data Catalog
- Pub Date:
- November 2016
- Bibcode:
- 2016yCat.7276....0S
- Keywords:
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- Surveys;
- QSOs;
- Galaxies: photometry;
- Redshifts;
- Morphology;
- Photometry: photographic;
- Photometry: infrared