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For refcode 2001ApJ...546..681T:
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2001ApJ...546..681T The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances John L. Tonry Institute for Astronomy, University of Hawaii, Honolulu, HI 96822; jt@ifa.hawaii.edu Alan Dressler Carnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101; dressler@omega.ociw.edu John P. Blakeslee Department of Physics, University of Durham, South Road, Durham, DH1 3LE, United Kingdom; j.p.blakeslee@durham.ac.uk Edward A. Ajhar Kitt Peak National Observatory, National Optical Astronomy Observatories, P.O. Box 26732, Tucson, AZ 85726; ajhar@noao.edu Andre B. Fletcher MIT Haystack Observatory, Off Route 40, Westford, MA 01886 Gerard A. Luppino Institute for Astronomy, University of Hawaii, Honolulu, HI 96822 Mark R. Metzger Caltech Astronomy Department, MS 105-24, Pasadena, CA 91125 and Christopher B. Moore Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02140 Received 2000 May 25; accepted 2000 August 24 ABSTRACT We report data for I-band surface brightness fluctuation (SBF) magnitudes, (V-I) colors, and distance moduli for 300 galaxies. The survey contains E, S0, and early-type spiral galaxies in the proportions of 49 : 42 : 9 and is essentially complete for E galaxies to Hubble velocities of 2000 km s^-1^, with a substantial sampling of E galaxies out to 4000 km s^- 1^. The median error in distance modulus is 0.22 mag. We also present two new results from the survey. (1) We compare the mean peculiar flow velocity (bulk flow) implied by our distances with predictions of typical cold dark matter transfer functions as a function of scale, and we find very good agreement with cold, dark matter cosmologies if the transfer function scale parameter{GAMMA} and the power spectrum normalization {sigma}_8_ are related by {sigma}_8_{GAMMA}^-0.5^ ~ 2 +/- 0.5. Derived directly from velocities, this result is independent of the distribution of galaxies or models for biasing. This modest bulk flow contradicts reports of large- scale, large-amplitude flows in the ~200 Mpc diameter volume surrounding our survey volume. (2) We present a distance-independent measure of absolute galaxy luminosity, N^bar^ and show how it correlates with galaxy properties such as color and velocity dispersion, demonstrating its utility for measuring galaxy distances through large and unknown extinction. Subject headings: distance scale-galaxies: clusters: individual (Virgo, Centaurus)-galaxies: distances and redshifts-large-scale structure of universe
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