Determining Accurate Distances to Nearby Galaxies

Details Determining Accurate Distances to Nearby Galaxies Determining Accurate Distances to Nearby Galaxies

2003-12-11

arxiv.org/abs/astro-ph/0312310v1

Astronomy and Astrophysics

Astrophysics

5 pages, 1 figure. Proceedings of the 6th Hellenic Astronomical Conference (September 2003)

Scientific paper

We have undertaken several projects with the purpose of determining accurate distances to nearby galaxies to calibrate the extragalactic distance scale. Specifically, I describe the DIRECT project which aims to derive the distance to M31 and M33 directly, using detached eclipsing binaries and the Baade-Wesselink method for Cepheids. I also present a ``hybrid'' method of discovering Cepheids with ground-based telescopes using image subtraction and then following them up with the HST to derive Cepheid period-luminosity distances.

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