ACS imaging of 25 galaxies in nearby groups and in the field

Abstract

We present HST/ACS images and color-magnitude diagrams for 25 nearby galaxies with radial velocities V_LG < 500 km/s. Distances are determined based on the luminosities of stars at the tip of the red giant branch that range from 2 Mpc to 12 Mpc. Two of the galaxies, NGC 4163 and IC 4662, are found to be the nearest known representatives of blue compact dwarf (BCD) objects. Using high-quality data on distances and radial velocities of 110 nearby field galaxies, we derive their mean Hubble ratio to be 68 km/(s Mpc) with standard deviation of 15 km/(s Mpc). Peculiar velocities of most of the galaxies, V_pec = V_LG - 68 D, follow a Gaussian distribution with sigma_v = 63 km/s, but with a tail towards high negative values. Our data displays the known correlation between peculiar velocity and galaxy elevation above the Local Supercluster plane. The small observed fraction of galaxies with high peculiar velocities, V_pec < -500 km/s, may be understood as objects associated with nearby groups (Coma I, Eridanus) outside the Local volume.

17 pages, 8 figures, accepted to AJ

References in corpus (17)

• Maps of Dust IR Emission for Use in Estimation of Reddening and CMBR Foregrounds
• The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances
• The Photometric Performance and Calibration of the HST Advanced Camera For Surveys
• The Arecibo Legacy Fast ALFA Survey: I. Science Goals, Survey Design and Strategy
• The HST Key Project on the Extragalactic Distance Scale XXVI. The Calibration of Population II Secondary Distance Indicators and the Value of the Hubble Constant
• The Local Group and other neighboring galaxy groups
• The Effect of Metallicity on Cepheid-Based Distances
• A step toward the calibration of the RGB Tip as a Standard Candle
• Local galaxy flows within 5 Mpc
• Galaxy Flow in the Canes Venatici I Cloud
• Action Principle Solutions For Galaxy Motions Within 3000 Km/s
• Dwarf Elliptical Galaxies in the M81 Group: The Structure and Stellar Populations of BK5N and F8D1
• The Local Group as a test of cosmological models
• A dwarf galaxy with a giant HI disk
• The local Hubble flow: a manifestation of dark energy
• The signature of dark energy on the local Hubble flow
• Gas Rich Dwarfs from the PSS-II I. Catalog and Characteristics

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