DIRECT Distances to Local Group Galaxies

Details DIRECT Distances to Local Group Galaxies DIRECT Distances to Local Group Galaxies

1999-12-16

arxiv.org/abs/astro-ph/9912334v1

Astronomy and Astrophysics

Astrophysics

5 pages, 4 figures, invited contribution at IAU Symp. 176, Budapest 1999, "Impact of Large-Scale Surveys on Pulsating Star Res

Scientific paper

The two nearby galaxies, M31 and M33, are stepping stones for most of our current efforts to understand the evolving universe at large scales. We are undertaking a long term project, called DIRECT, to improve the direct distance estimate to M31 and M33. The massive photometry we have obtained as part of our project over the past 3 years provides us with very good light curves for known and new Cepheid variables, a large number of eclipsing binaries and other variable stars. Some recent results on the 470+ new Cepheids are discussed, as well as our correction for effects of blending using archival HST images.

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