The Distance to M83

Details The Distance to M83 The Distance to M83

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003hst..prop.9864m&link_type=abstract

HST Proposal ID #9864

Computer Science

Hst Proposal Id #9864 Galaxies

Scientific paper

M83 is a spiral galaxy at a distance of 4-5 Mpc. It is almost face-on, and it has been measured to support one of the largest chemical-composition, radial metallicity gradients in the local sample of high-luminosity spiral galaxies. It also has one of the highest absolute levels of mean metallicity in its inner regions. As such M83 is a chemical laboratory, within which we can probe {in both a differential and in an absolute way} the zero point, the variation and the sensitivity of the Cepheid PL relation as a function of metallicity.

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