Morphological Classification of Galaxies Using Simple Photometric Parameters

Details Morphological Classification of Galaxies Using Simple Photometric Parameters Morphological Classification of Galaxies Using Simple Photometric Parameters

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.264..832d&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 264, NO. 4/OCT15, P. 832, 1993

Mathematics

Logic

78

Scientific paper

A simple method is proposed for the morphological classification of galaxies. The method uses two distance-independent photometric parameters, the concentration index and the mean surface brightness within an isophote of fixed brightness level in a single colour band. This method is insensitive both to the image sizes of galaxies and to their inclinations. With this method we achieve a reasonably high success rate (>~ 85 per cent) in classifying galaxies into early and late types. We demonstrate that the method works well for galaxies near the observational limit of automated galaxy surveys.

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