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| Paper: |
Towards an Accurate Distance Determination with Early-Type Eclipsing Binaries |
| Volume: |
514, Stellar Populations and the Distance Scale |
| Page: |
205 |
| Authors: |
Taormina, M. S. |
| Abstract: |
Late-type eclipsing binaries provide a very good means for distance determination, but we can observe them no farther than the Magellanic Clouds. Although early-type binaries were discovered in other galaxies in the Local Group, they cannot be used reliably because of a lack of a firm calibration of the surface brightness – color relation. Our goal is to establish such a relation for early-type stars based on high quality spectroscopic and infrared observations of B-type detached eclipsing systems in the LMC. It will allow distance determinations accurate to about 2.5% to a single object located well beyond the Magellanic Clouds. Here we present the methodology and our first results. |
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