Seeking the Local Convergence Depth

Details Seeking the Local Convergence Depth Seeking the Local Convergence Depth

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...191.8708d&link_type=abstract

American Astronomical Society, 191st AAS Meeting, #87.08; Bulletin of the American Astronomical Society, Vol. 29, p.1355

Astronomy and Astrophysics

Astronomy

Scientific paper

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 ≲ z ≲ 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.

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