A New Calibration of the Tully-Fisher Relation and an Estimate of H0

Details A New Calibration of the Tully-Fisher Relation and an Estimate of H0 A New Calibration of the Tully-Fisher Relation and an Estimate of H0

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21348302a&link_type=abstract

American Astronomical Society, AAS Meeting #213, #483.02; Bulletin of the American Astronomical Society, Vol. 41, p.452

Biology

Quantitative Biology

Quantitative Methods

Scientific paper

As part of an HST Archival Legacy study, we are conducting a homogeneous analysis of all WFPC2 images obtained for Cepheid studies, with the aim of achieving a uniform recalibration of the Cepheid distance scale using rigorous, quantitative methods of analysis. Here we present our Cepheid distance results for galaxies that serve as local calibrators of the Tully-Fisher relation, and apply this new calibration to the most complete catalogue of spiral galaxies suitable for use with the Tully-Fisher relation. We present preliminary results of our newly calibrated Tully-Fisher relation, as well as an estimate of H0.
This work is partially supported by NASA through grant HST-AR-10673.

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