Calibrated Tully-Fisher relations for edge-on galaxies in the BVRI system

Details Calibrated Tully-Fisher relations for edge-on galaxies in the BVRI system Calibrated Tully-Fisher relations for edge-on galaxies in the BVRI system

2004-12-14

arxiv.org/abs/astro-ph/0412324v1

Comptes rendus de l`Academie bulgare des Sciences, Tome 57, No 6, 2004

Astronomy and Astrophysics

Astrophysics

7 pages, 2 figures, published in Comptes rendus de l`Academie bulgare des Sciences, Tome 57, No 6, 2004

Scientific paper

Calibrated Tully-Fisher relations ''absolute magnitude - HI line width'' for spiral galaxies oriented edge-on are derived from published data. The slope of the linear fits, especially in R- and I- bands, is close to the value of -10, as predicted by the theory. The standard errors of the relations in B, V, R and I bands are 0.40, 0.36, 0.31 and 0.34 mag, corresponding to relative distance errors of 18%, 17%, 14% and 16%, respectively. The magnitude of an edge-on galaxy appears to be a good distance indicator.

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