A Robust Estimator of the Small Scale Galaxy Correlation Function

Details A Robust Estimator of the Small Scale Galaxy Correlation Function A Robust Estimator of the Small Scale Galaxy Correlation Function

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20911304p&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #113.04; Bulletin of the American Astronomical Society,

Astronomy and Astrophysics

Astronomy

Scientific paper

We present a new estimator, ω, of the small scale galaxy correlation function that is robust against the effects of redshift space distortions and large scale structures. The estimator is a simple weighted integral of the redshift space correlation function and is simply related to a filtered version of the real space correlation function, allowing for a direct comparison with theory, without a need to model nonlinear redshift space distortions. This has a number of advantages over the more traditional w_{p} estimator, including (i) an insensitivity to large scale structures and the details of the truncation of the line of sight integral, (ii) improved noise properties and (iii) a compact kernel in ξ(r).

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