The Large Magellanic Cloud and the Distance Scale

Details The Large Magellanic Cloud and the Distance Scale The Large Magellanic Cloud and the Distance Scale

2011-12-14

arxiv.org/abs/1112.3171v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

23 pages, accepted for publication in Astrophysics and Space Science. From a presentation at the conference The Fundamental Co

Scientific paper

The Magellanic Clouds, especially the Large Magellanic Cloud, are places where multiple distance indicators can be compared with each other in a straight-forward manner at considerable precision. We here review the distances derived from Cepheids, Red Variables, RR Lyraes, Red Clump Stars and Eclipsing Binaries, and show that the results from these distance indicators generally agree to within their errors, and the distance modulus to the Large Magellanic Cloud appears to be defined to 3% with a mean value of 18.48 mag, corresponding to 49.7 Kpc. The utility of the Magellanic Clouds in constructing and testing the distance scale will remain as we move into the era of Gaia.

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