Other
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21924314b&link_type=abstract
American Astronomical Society, AAS Meeting #219, #243.14
Other
Scientific paper
A difficulty in providing a complete evolutionary history of AGNs with z is the faint absolute magnitudes of nearby AGN. These can be largely obscured by galaxy bulge light making their presence difficult to establish. The spectroscopic survey for lower luminosity AGNs (LLAGN) conducted by Ho, Filippenko and Sargent (1997), found that approximately a quarter of the bright, nearby galaxies (with dec > 0) contain LLAGNs. A few of these show characteristic quasar variability in time and magnitude, while others show low-level variability of indeterminate magnitude range. To better probe the luminosity range of nearby LLAGN variability, we are using the Remote Observatory for Variable Object Research (ROVOR) 16” telescope to monitor the 100 brightest, nearest LLAGN in filters that measure the continuum and H alpha emission separately. Our objects include Seyferts, LINERs, and sub-LINERs or transition objects. These are taken from the Ho et. al. survey (out to a redshift of z = 0.027), supplemented with slightly more distant and well-known objects (out to z = 0.05). We report on the survey and the first results in our endeavor to achieve milli-magnitude precision.
Barnes Joshua
Bates K.
Boizelle Benjamin
Little Blane
McCombs T.
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