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M.S. Keremedjiev (Cornell University), E.C. MacDonald, A. Dey, B.T. Jannuzi (NOAO)
The recently completed Böotes region of the NOAO Deep-Wide Field Survey provides an ideal data set with which to study the effects of cosmic variance. With 9 square degrees coverage in the Bw, R, I, and K-bands, the field can be broken down into sub-cells, allowing for the measurement of cosmic variance as a function of cell size. Our findings indicate that cosmic variance is a real and quantifiable effect that tends to increase with diminishing survey size and brighter magnitudes. Cosmic variance as a function of survey size and magnitude in Bw, R and I is presented, and the results are discussed.
Keremedjiev's research was supported by the NOAO/KPNO Research Experiences for Undergraduates (REU) Program, which is funded by the National Science Foundation through Scientific Program Order No. AST-0243875 of the Cooperative Agreement No. AST-0132798 between the Association of Universities for Research in Astronomy (AURA) and the NSF.
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Bulletin of the American Astronomical Society, 37 #4
© 2005. The American Astronomical Soceity.