Optical Variability of Radio-Bright PG Quasars

Details Optical Variability of Radio-Bright PG Quasars Optical Variability of Radio-Bright PG Quasars

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aas...187.8404w&link_type=abstract

American Astronomical Society, 187th AAS Meeting, #84.04; Bulletin of the American Astronomical Society, Vol. 27, p.1409

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Scientific paper

We have undertaken a program to search for short-term optical variability in the most radio-luminous PG quasars. From VLA radio observations, we have picked the ten quasars with the most luminous radio cores for a program of optical monitoring with the Lowell Observatory 31-inch telescope. A typical observing run consists of three nights during which two quasars are imaged each night for several hours with 4-minute CCD exposures. Several of the quasars have also been observed on separate nights that are months to a year apart. If the radio luminosity of these quasars is high because we are looking down the axis of a beamed (black-hole?) source, then we expect that this sample should show more short- and long-term variability than radio-faint quasars in the PG or other samples. We will report results for seven of the PG quasars. The Lowell 31-inch telescope, under an agreement with Northern Arizona University and the NURO Consortium, is operated 60% of the time as the National Undergraduate Research Observatory.

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