BVRI CCD-Photometry of Comparison Stars in the Neighborhoods of Galaxies with Active Nuclei. II

Details BVRI CCD-Photometry of Comparison Stars in the Neighborhoods of Galaxies with Active Nuclei. II BVRI CCD-Photometry of Comparison Stars in the Neighborhoods of Galaxies with Active Nuclei. II

Jul 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ap.....48..304d&link_type=abstract

Astrophysics, Volume 48, Issue 3, pp.304-320

Astronomy and Astrophysics

Astronomy

11

Extragalactic Astronomy, Agn, Comparison Stars, Optical Photometry, Extragalactic Astronomy - Agn - Comparison Stars - Optical Photometry

Scientific paper

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 0m.01. The B, V, Rc, and Ic magnitudes of most of these stars were not known previously. 14′ x 14′ 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.

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