Small Scale Structure of Cosmic Voids

Details Small Scale Structure of Cosmic Voids Small Scale Structure of Cosmic Voids

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21530604p&link_type=abstract

American Astronomical Society, AAS Meeting #215, #306.04; Bulletin of the American Astronomical Society, Vol. 42, p.304

Astronomy and Astrophysics

Astronomy

Scientific paper

Using VoidFinder (Hoyle & Vogeley 2002, 2004) on SDSS DR7, we have found 932 voids in this survey filling 60% of the volume. The largest voids are over 30 Mpc in radius, with a 15 Mpc median. We have identified over 7,201 void galaxies with Mr < -20.09, and 75,803 galaxies with m < 17.6, approximately 6-7% of all galaxies in the respective samples. We have also found the voids to be elliptical in shape with no particular preference to orientation along the line of sight. In this talk, I will address the details of the void galaxies and their role in the small-scale structure of the voids. Specifically, I will discuss and present the luminosity function as well as the two-point correlation function of void galaxies. This research is funded and supported by NSF Grant AST-0507463.

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