Direct Measurement of Galaxy Distances

Details Direct Measurement of Galaxy Distances Direct Measurement of Galaxy Distances

Jul 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995hst..prop.5955s&link_type=abstract

HST Proposal ID #5955

Physics

Hst Proposal Id #5955 Galaxies &Amp, Clusters

Scientific paper

We propose to use a powerful new geometrical method for the determination of galaxy distances, based on imaging polarization of supernova light echoes. The proposal has two parts: (1) to seek new candidates for polarization observation and (2) to execute imaging polarization observations for the best candidates. The proposed method requires no secondary distance indicators, may work to distances well in excess of the distance of the Virgo cluster, and may be tied to traditional methods through galaxies hosting `standard candle' supernovae and galaxies with Cepheid distances. The measurements should enable an unambiguous resolution of the current bi-modal determination of H_0.

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