Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21820603c&link_type=abstract
American Astronomical Society, AAS Meeting #218, #206.03; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
In Late Type or Spiral galaxies, secular evolutionary processes are a likely culprit for instigating AGN activity. Elongated bar features are a common feature of disk galaxies, and provide a potential mechanism for inward gas transport in the disk. Previous studies of the connection between AGN activity and the presence of bars have been inconclusive or have relied on small and or biased samples of galaxies. We present the results from the largest sample of Late Type galaxies, uniformly evaluated for the presence of Large-scale bars and AGN activity. We find that both the presence of AGN activity and the presence of a bar are tightly correlated with Mass and color. Controlling for mass or color, there is a weak correlation such that galaxies hosting AGN or LINER activity are more likely to have a bar feature than those with only star formation activity.
Cardamone Carolin N.
Fortson Lucy
Lintott Chris
Masters Karen
Schawinski Kevin
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