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Date and Time of the Query: 2019-06-24 T04:55:35 PDT
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For refcode 1991A&A...242...17C:
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Copyright by European Southern Observatory (ESO). Reproduced by permission
1991A&A...242...17C A Malmquist corrected color-magnitude relation for spiral galaxies J.H. Christensen The Niels Bohr Institute, Blegdamsvej 17, DK-2100 Copenhagen 0, Denmark Received April 2, accepted July 17, 1990 Abstract. The infrared color magnitude relation for spiral galaxies has been re-examined, Using the Bothun et al. (1985b) catalogue of distant cluster spirals. The catalogue is found to suffer from a considerable amount of Malmquist bias. When the analysis of the color magnitude relation is restricted to a sub-sample of the catalogue selected to be without Malmquist bias, it is found that the data is in overall agreement with a color magnitude relation defined by galaxies in the Virgo cluster. In addition it is demonstrated that the distribution of spatial orientations of the galaxies varies from cluster to cluster. In particular it is demonstrated that the distribution of galaxy orientations differ from that in Virgo in the clusters where there is a large discrepancy between color magnitude determined distance and redshift. Key words: clusters: of galaxies - distances - cosmology
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