Quasar Clustering in the Sloan Digital Sky Survey

Details Quasar Clustering in the Sloan Digital Sky Survey Quasar Clustering in the Sloan Digital Sky Survey

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...198.7803v&link_type=abstract

American Astronomical Society, 198th AAS Meeting, #78.03; Bulletin of the American Astronomical Society, Vol. 33, p.905

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We present initial results on quasar clustering in the Sloan Digital Sky Survey. The data set consists of over 9000 quasars spanning a redshift range from near 0 to well-over 5. The two-point correlation function for the entire sample is well-fit on scales from ~ 1 to over 100h-1Mpc by a power-law with an index of -1.4 and a scale length of 6h-1Mpc -- similar to the parameterization for galaxies in the local universe. There is no evidence for evolution in either the power-law index or scale length with redshift, for an Ω m=1, Ω Λ =0 cosmology. We also examine the quasar clustering as a function of luminosity, and cosmological model. We discuss the scientific potential of the final SDSS sample of 105 quasars for large-scale structure studies. The Sloan Digital Sky Survey (SDSS) is a joint project of The University of Chicago, Fermilab, the Institute for Advanced Study, the Japan Participation Group, The Johns Hopkins University, the Max-Planck-Institute for Astronomy (MPIA), the Max-Planck-Institute for Astrophysics (MPA), New Mexico State University, Princeton University, the United States Naval Observatory, and the University of Washington. Apache Point Observatory, site of the SDSS telescopes, is operated by the Astrophysical Research Consortium (ARC). Funding for the project has been provided by the Alfred P. Sloan Foundation, the SDSS member institutions, the National Aeronautics and Space Administration, the National Science Foundation, the U.S. Department of Energy, Monbusho, and the Max Planck Society. The SDSS Web site is http://www.sdss.org/.

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