Diameter functions of UGC and ESO galaxies

Details Diameter functions of UGC and ESO galaxies Diameter functions of UGC and ESO galaxies

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.252..219h&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 252, Sept. 15, 1991, p. 219-228. Research supported by

Statistics

Computation

33

Astronomical Catalogs, Diameters, Galaxies, Red Shift, Computational Astrophysics, Luminosity, Maximum Likelihood Estimates

Scientific paper

An analysis of the diameter function of galaxies is presented for three redshift surveys. The completeness of the UGC and ESO catalogs is investigated, the completeness of the redshift surveys is calculated, and density-independent maximum likelihood estimators are applied in determining the parameters of the diameter functions. The diameter function is well described by an exponential with characteristic diameter at 6.38 + or - 0.15/h kpc for UGC; 7.56 + or - 0.19/h kpc for ESO; and 5.72 + or - 0.2/h kpc for the 25 B mag/sq arcsec isophote at diameters greater than 4.36/h kpc. The ESO and UGC diameter functions are compatible with each other when they are scaled to the same depth.

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