Since almost half of the galaxies have been observed more than once in Gunn r and Johnson B (cf. Table , p. ), we have ample opportunity to determine the internal accuracy of the data. For the photometry, we first compare aperture magnitudes, and then the entire surface brightness profiles.
Properties of E and S0 Galaxies in the Clusters HydraI and Coma
Master's Thesis, University of Copenhagen, July 1997
Bo Milvang-Jensen (firstname.lastname@example.org)