The Tully-Fisher Relation and Redshift-Space Artifacts

Details The Tully-Fisher Relation and Redshift-Space Artifacts The Tully-Fisher Relation and Redshift-Space Artifacts

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...185.4007p&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #40.07; Bulletin of the American Astronomical Society, Vol. 26, p.1370

Astronomy and Astrophysics

Astronomy

Scientific paper

We investigate the dispersion which would be introduced into the Tully-Fisher distance indicator relation if a redshift-space artifact is mistakenly used for calibration. We use a standard spherical accretion model of the Virgo region and choose as our calibrating ``group'' an artifact which strongly resembles the Virgo Southern Extension. We find that the dispersion which results from ``group'' members actually being at different distances is comparable to values currently quoted for the Tully-Fisher relation.

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