A Photometric Analysis of Four Active Galaxies

Details A Photometric Analysis of Four Active Galaxies A Photometric Analysis of Four Active Galaxies

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...20714103v&link_type=abstract

American Astronomical Society Meeting 207, #141.03; Bulletin of the American Astronomical Society, Vol. 37, p.1397

Astronomy and Astrophysics

Astronomy

Scientific paper

We present light curves spanning the period from September 2001 to July 2005 for the Seyfert I galaxies Akn 564, Mrk 335, Mrk 817, and NGC 4151. These objects were observed in the B, V, R, and I Johnson/Cousins bands with the 0.9m telescope at Kitt Peak operated by the Southeastern Association for Research in Astronomy (SARA). A few observations were made with the WIYN 0.9m telescope at Kitt Peak. These objects are subjects of a long-term reverberation mapping program to determine geometries of their broad-line regions, and were selected on the basis of previous evidence of short term variability. We also present new magnitudes and color indices for comparison stars in the fields of Mrk 335 and Mrk 817.
This study was conducted in association with the SARA 2005 Research Experiences for Undergraduates Program, supported by National Science Foundation grant AST-0097616.

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