| Title | The distances and properties of a sample of SC I galaxies. |
| Authors | Bothun, G. D.; Aaronson, M.; Schommer, B.; Huchra, J.; Mould, J. |
| Bibcode | 1984ApJ...278..475B Search ADS ↗ |
| Abstract | The authors have obtained H I spectra, optical photometry, and H-band photometry of a subsample of the Sandage-Tammann and Rubin et al. lists of distant Sc I galaxies. The final sample contains 20 galaxies in the velocity range 3000 - 13,500 km s-1. The infrared Tully-Fisher method is used to derive individual distances to these spiral galaxies. After applying a correction for Malmquist bias, the sample yields a Hubble ratio of 91±3 km s-1 Mpc-1. This value is in substantial agreement with an earlier value based on a sample of distant cluster spiral galaxies. The good agreement between the cluster and the Sc I sample strongly argues that environmental effects do not influence the slope of the spiral IR Tully-Fisher relation and that the zero point of the relation is universal. These data also provide further verification of significant infall motion of the Local Group toward Virgo. |
| Objects | 39 Objects Search NED ↙ |
