Local Underdensity Model for Near Infrared Galaxy Counts

Details Local Underdensity Model for Near Infrared Galaxy Counts Local Underdensity Model for Near Infrared Galaxy Counts

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...19110503p&link_type=abstract

American Astronomical Society, 191st AAS Meeting, #105.03; Bulletin of the American Astronomical Society, Vol. 29, p.1377

Astronomy and Astrophysics

Astronomy

Scientific paper

We analyse bright-end (K = 10 -17) galaxy counts from a number of near infrared galaxy surveys. Observed near infrared galaxy number counts at low magnitudes are inconsistent with a pure no-evolution model. We examine a new, local underdensity model for K band galaxy counts. and find that the data point to a factor of 1.5 - 2.4 deficiency of galaxies out to a redshift of z = 0.10 - 0.26, depending on the k- and e- corrections used and the adopted values of the Schecter luminosity function parameters. The consequences of this result on the determination of H0 are discussed.

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