Automated software for surface photometry of galaxies

Details Automated software for surface photometry of galaxies Automated software for surface photometry of galaxies

Mar 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apjs...97...59d&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 97, no. 1, p. 59-75

Astronomy and Astrophysics

Astronomy

8

Astronomical Catalogs, Astronomical Photometry, Computer Programs, Galactic Clusters, Sky Surveys (Astronomy), Astrometry, Astronomical Photography, Error Analysis, Image Processing, Microdensitometers, Schmidt Telescopes

Scientific paper

We have developed image measuring software to carry out fully automated surface photometry for wide-field galaxy surveys. This paper describes the details of the architecture of the software. We also present a detailed description of its performance which is tested with surface photometry for rather bright galaxies in the 10 deg x 10 deg field centered on the Coma cluster using B-band Schmidt plates. It is shown that the software works nearly as good as galaxy-by-galaxy surface photometry and produces varieties of photometric parameters, including rudimentary galaxy morphologies, for a wide magnitude range with errors close to the limiting accuracy that is expected for photographic photometry based on our Schmidt plates.

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