The interpretation of HST counts of morphologically peculiar galaxies.

Details The interpretation of HST counts of morphologically peculiar galaxies. The interpretation of HST counts of morphologically peculiar galaxies.

Apr 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997areps...1...76x&link_type=abstract

Astrophysics Reports, Special Issue, No. 2, p. 76 - 83

Mathematics

Logic

Cosmological Models: Galaxy Counts, Galaxy Counts: Hubble Space Telescope

Scientific paper

Recent HST Medium Deep Survey and Deep Survey have observed a large number of morphologically peculiar (MP) galaxies. The number counts of these abnormal galaxies can be understood in the frame of gravitational interaction, in terms of merging by Press & Schechter formalism with minimal assumptions on nongravitational effects. The authors derive the evolution of the luminosity function of MP galaxies and interpretate the count observations with parameters of structure formation. They discover that MP galaxies are slightly fainter than normal galaxies.

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