The ACS Virgo Cluster Survey. XIII. SBF Distance Catalog and the Three‐dimensional Structure of the Virgo Cluster
Galaxies, Etoiles, Physique et Instrumentation · Sorbonne Paris Cité · +12 more institutions
Abstract
The ACS Virgo Cluster Survey consists of HST ACS imaging for 100 early-type galaxies in the Virgo Cluster, observed in the F475W and F850LP filters. We derive distances for 84 of these galaxies using the method of surface brightness fluctuations (SBFs), present the SBF distance catalog, and use this database to examine the three-dimensional distribution of early-type galaxies in the Virgo Cluster. The SBF distance moduli have a mean (random) measurement error of 0.07 mag (0.5 Mpc), or roughly 3 times better than previous SBF measurements for Virgo Cluster galaxies. Five galaxies lie at a distance of ~23 Mpc and are members of the W' cloud. The remaining 79 galaxies have a narrow distribution around our adopted…
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Authors
10- SMS. MeiCorresponding
Galaxies, Etoiles, Physique et Instrumentation, Sorbonne Paris Cité, Johns Hopkins University, Délégation Paris 7, Université Paris Cité, Université Paris 8
- JPJohn P. Blakeslee
Washington State University
- PCPatrick Cote
Herzberg Institute of Astrophysics, National Research Council Canada
- JTJ. Tonry
University of Hawaii System
- MJMichael J. West
Gemini South Observatory, University of Hawaii at Hilo
Topics & keywords
- Virgo Cluster
- Physics
- Astrophysics
- Galaxy
- Distance modulus
- Cluster (spacecraft)
- Surface brightness
- Astronomy