Mathematics – Logic
Scientific paper
Jan 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...349....1f&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 349, Jan. 20, 1990, p. 1-21.
Mathematics
Logic
121
Distance, Spiral Galaxies, Virgo Galactic Cluster, Astronomical Photometry, H Lines, Spectral Line Width
Scientific paper
The behavior of the B-band Tully-Fisher (TF) relation with respect to the observational biases and parameter uncertainties is studied from an almost complete sample of spiral galaxies belonging to the Virgo Cluster. The strong influence of the limiting apparent magnitude when using the direct TF relation is confirmed. A distance modulus of 31.4 + or - 0.2 is found along with a corresponding H(0) = 68 + or - 8 km/s/Mpc, assuming a cosmological velocity of the cluster V = 1300 + or - 100 km/s. The Virgo S and S-prime clouds are shown to lie at significantly different distances. Different distance moduli found by other authors are explained.
Bottinelli Lucette
Fouque' Pascal
Gouguenheim Lucienne
Paturel Georges
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