BVRI of comparison stars in AGN fields

Results are presented from CCD BVRI-observations of 145 comparison stars in the neighborhoods of 14 Seyfert galaxies, 3 quasars, and 5 BL Lac objects with right ascensions of 12 to 24 hours. The magnitudes of the observed stars ranged from V=11 to V=17. The typical photometric error for stars brighter V=14 is 0.01m. The B, V, Rc, and Ic magnitudes of most of these stars were not known previously. 14'x14' finding charts are provided. These results can be used for differential photometry of the nuclei of active galaxies in the B, V, Rc, and Ic bands.

Cone search capability for table J/other/Ap/48.304/fields (AGN field positions)

Cone search capability for table J/other/Ap/48.304/table2 (BVRcIc magnitudes of comparison stars in the AGN fields)

Identifier
Source https://dc.g-vo.org/rr/q/lp/custom/CDS.VizieR/J/other/Ap/48.304
Related Identifier https://cdsarc.cds.unistra.fr/viz-bin/cat/J/other/Ap/48.304
Related Identifier http://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/other/Ap/48.304
Metadata Access http://dc.g-vo.org/rr/q/pmh/pubreg.xml?verb=GetRecord&metadataPrefix=oai_b2find&identifier=ivo://CDS.VizieR/J/other/Ap/48.304
Provenance
Creator Doroshenko V.T.; Sergeev S.G.; Merkulova N.I.; Sergeeva E.A.,Golubinsky Y.V.; Pronik V.I.; Okhmat N.N.
Publisher CDS
Publication Year 2006
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; Galactic and extragalactic Astronomy; High Energy Astrophysics; Natural Sciences; Observational Astronomy; Physics