Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21840806w&link_type=abstract
American Astronomical Society, AAS Meeting #218, #408.06; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
The luminosities of Active Galactic Nuclei are well known to vary over time. However, the driving force behind this variability is not fully understood. Using multi-epoch photometric observations of 5801 spectroscopically confirmed quasars in the Sloan Digital Sky Survey equatorial stripe, we focus on determining whether the environment surrounding the quasar is a contributing factor to the variability in quasar luminosity. Specifically, we examine the relationship between density and variability. The density is calculated by counting the number of neighboring quasars within a fixed volume around each quasar. Maximum variation within the r band is used as a proxy for variability. We find no clear correlation between variability and environment
Pope C. L.
Wilhite Brian C.
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