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Session 87 - Large Scale Structure.
Display session, Friday, January 09
Exhibit Hall,
We present results of an all-sky observing program designed to improve the quality of the I band Tully-Fisher (TF) relation and to accurately determine the reflex motion of the Local Group with respect to intermediate redshift clusters. We have obtained between 5 and 15 TF measurements per cluster on a sample of 50 clusters with redshifts 0.02 \lesssim z \lesssim 0.08. The data extends the TF study of nearby clusters of Giovanelli et al. (1997); the two data sets are used jointly to establish a cluster inertial reference frame from which peculiar velocities and bulk flow solutions are obtained.
