Calibration of the Tully-Fisher relation in the field

Details Calibration of the Tully-Fisher relation in the field Calibration of the Tully-Fisher relation in the field

Oct 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26as..125..255r&link_type=abstract

A & A Supplement series, Vol. 125, October II 1997, 255-261.

Astronomy and Astrophysics

Astronomy

3

Galaxies: Distances And Redshifts, Distance Scale

Scientific paper

A new technique for calibrating slope and relative zero-point of Tully-Fisher like relations by using a sample of distant field galaxies is proposed. Based on a null-correlation approach (NCA), the technique is insensitive to the presence of selection effects on apparent magnitude $m$ and on log line-width distance indicator $p$. This interesting property is used for discarding nearby galaxies of the observed sample. It is shown that such a sub-sampling allows in effect to attenuate biases on calibration parameters created by the presence of radial peculiar velocities.

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