Morphology classification of galaxies in CL 0939+4713 using a ground-based telescope image

Details Morphology classification of galaxies in CL 0939+4713 using a ground-based telescope image Morphology classification of galaxies in CL 0939+4713 using a ground-based telescope image

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...439..584f&link_type=abstract

The Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 439, no. 2, p. 584-587

Mathematics

Logic

9

Classifications, Galactic Clusters, Image Analysis, Morphology, Brightness, Color, Data Reduction, Density (Number/Volume)

Scientific paper

Morphological classification is studied for galaxies in cluster CL 0939+4712 at z = 0.407 using simple photometric parameters obtained from a ground-based telescope image with seeing of 1-2 arcseconds full width at half maximim (FWHM). By ploting the galaxies in a plane of the concentration parameter versus mean surface brightness, we find a good correlation between the location on the plane and galaxy colors, which are known to correlate with morphological types from a recent Hubble Space Telescope (HST) study. Using the present method, we expect a success rate of classification into early and late types of about 70% or possibly more.

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