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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…
Using the Fundamental Plane to Estimate the Total Binding Mass in A2626
Joseph J. Mohr, Gary Wegner
We use fundamental plane (FP) distance estimates to the components of the double cluster A2626 (cz~17,500 km/s) to constrain cluster kinematics and estimate total binding mass. The…
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…
Cluster Evolution in the Wide Angle ROSAT Pointed Survey (WARPS)
C. A. Scharf, L. R. Jones, E. Perlman +4
A new flux limited catalogue of low luminosity (Lx <= 10^44 erg/s) X-ray galaxy clusters and groups covering a redshift range of z~0.1 to z~0.7 has been produced from the WARPS pro…