A K band deep galaxy survey

Details A K band deep galaxy survey A K band deep galaxy survey

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...360l...1c&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 360, Sept. 1, 1990, p. L1-L5.

Astronomy and Astrophysics

Astronomy

87

Galaxies, Infrared Astronomy, Infrared Sources (Astronomy), Sky Surveys (Astronomy), Background Radiation, Near Infrared Radiation, Red Shift, Spectral Energy Distribution

Scientific paper

The results of a K-band deep-imaging survey, with a 5 sigma limit of K = 21.4 for galaxy detection, are reported. Number counts from K = 16.5 to K = 21.25 are given. Comparison with optical survey data on the field shows objects as red as (I-K) = 5 which most probably correspond to high-redshift (z of about 2) normal galaxies. No evidence is seen for any population of high-z protogalaxies or brown dwarfs. The results are placed in the context of extragalactic background light measurements.

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