The luminosity function of E and S0 galaxies

Details The luminosity function of E and S0 galaxies The luminosity function of E and S0 galaxies

Aug 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...231..671v&link_type=abstract

Astrophysical Journal, Part 1, vol. 231, Aug. 1, 1979, p. 671, 672.

Astronomy and Astrophysics

Astrophysics

10

Distribution Functions, Elliptical Galaxies, Galactic Clusters, Luminosity, Spiral Galaxies, Astronomical Photometry, Stellar Magnitude

Scientific paper

The luminosity functions of a large number of elliptical and lenticular (S0 + SB0) galaxies taken from the Shapley-Ames sample are examined. It is found that the luminosity function of the ellipticals contains more bright objects than does that of the S0 galaxies. The observed differences between the E and S0 luminosity functions are shown to be statistically significant at a confidence level better than 99.9% and to hold for both field galaxies and galaxies in 'great clusters'. It is concluded that the luminosity function, and hence, presumably, the mass spectrum, of ellipticals differs significantly from that of lenticulars.

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