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Study od a Slice at +9 to +15 degrees of Declination: I. The Neutral Hydrogen Content of Galaxies in Loose Groups
M. A. G. Maia, C. N. A. Willmer, L. N. da Costa
We examine the H1 content of spiral galaxies in groups by using a catalog of loose groups of galaxies identified in a magnitude limited sample m < 15.7 spanning the range 8 h to 18…
Comparison of the SFI Peculiar Velocities with the IRAS 1.2 Jy Gravity Field
Luiz N. da Costa, Adi Nusser, Wolfram Freudling +4
We present a comparison between the peculiar velocity fields measured from the SFI all-sky Sbc-Sc Tully-Fisher catalog and that derived from the \iras 1.2 Jy redshift survey galaxy…
Peculiar Velocities of Clusters in CDM Models
S. Borgani, L. N. da Costa, W. Freudling +4
Recently, peculiar velocity measurements became available for a new sample of galaxy clusters. From an accurately calibrated Tully-Fisher relation for spiral galaxies, we compute t…