Bias of cosmological distance estimators

Details Bias of cosmological distance estimators Bias of cosmological distance estimators

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...237..275h&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 237, no. 2, Oct. 1990, p. 275-282. Research supported by the Nuffield Foundati

Statistics

Computation

22

Cosmology, Distance, Local Group (Astronomy), Spiral Galaxies, Computational Astrophysics, Hubble Constant, Maximum Likelihood Estimates, Probability Density Functions

Scientific paper

An illustrative study of the effects of bias on different distance estimators is undertaken. Estimates are inferred from apparent magnitudes for the simple case of a Gaussian luminosity function. The study is applied to a distant sample of ScI galaxies in order to determine Hubble's Constant and the velocity of the Local Group. The results indicate the importance of a careful choice of distance estimator in cosmology.

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