Other
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21543419p&link_type=abstract
American Astronomical Society, AAS Meeting #215, #434.19; Bulletin of the American Astronomical Society, Vol. 42, p.378
Other
Scientific paper
The relatively close BL Lac object, Markian 501 (z = 0.03364), has been a frequent object of research over the past decade after its outburst in 1997. The 16” Robotic Observatory for Variable Object Research (ROVOR) telescope of Brigham Young University has monitored this blazar for over 5 months, with more than 50 nights of observation in the B, V, and R bands. The purpose of the high observation frequency was to search for steady periodicity on the order of 10 mmag and to compliment recent periodic analysis. The detection and study of these short-term periods assist in evaluating supermassive black hole theories associated with Mrk 501 and other AGN. We implement the use of surface brightness profiles (SBPs) to detect small-amplitude variations as outlined in Stephen R. McNeil's dissertation (2004). Though the dissertation discusses the use of SBPs on cores of spiral AGN to find the variations, we expand its use to cores of extended objects. Here, initial results of the elliptical galaxy Mrk 501 will be presented. We gratefully acknowledge Brigham Young University and the National Science Foundation for their financial support.
Moody Joseph Ward
Pace Cameron
Pearson Richard
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