The visibility of galaxies as a function of central surface brightness

Details The visibility of galaxies as a function of central surface brightness The visibility of galaxies as a function of central surface brightness

Dec 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.205.1253d&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 205, Dec. 1983, p. 1253-1265.

Astronomy and Astrophysics

Astronomy

110

Astronomical Photography, Brightness Distribution, Galaxies, Astronomical Catalogs, Disk Galaxies, Elliptical Galaxies, Likelihood Ratio, Luminosity, Magnitude, Radii, Spiral Galaxies, Visibility

Scientific paper

The likelihood of a galaxy with given intrisic profile appearing in a photographic catalogue with limiting criteria on apparent magnitude and angular size will depend on the maximum distance at which such a galaxy can lie and still obey both criteria. It is demonstrated that the corresponding volume in which the galaxy will be visible (here called its 'visibility', for short) is a sensitive function of the galaxy's central surface brightness as well as its absolute magnitude. Before the observed concentrations around preferred values of surface brightness can be regarded as real, it will be necessary to make allowance for this selection effect.

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