Interferometry and the Fundamental Properties of Stars

Details Interferometry and the Fundamental Properties of Stars Interferometry and the Fundamental Properties of Stars

2011-07-15

arxiv.org/abs/1107.3088v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

13 pages, including one figure. To appear in proceedings of ASP, Resolving the Future of Astronomy with Long-Baseline Interfer

Scientific paper

For many decades the determination of accurate fundamental parameters for stars (masses, radii, temperatures, luminosities, etc.) has mostly been the domain of eclipsing binary systems. That has begun to change as long-baseline interferometric techniques have improved significantly, and powerful new instruments have come online. This paper will review the status of the field, and in particular how the knowledge of precise stellar properties helps us understand stars. Main-sequence stars similar to the Sun are by far the best studied, but much remains to be done for other kinds of objects such as early-type as well as late-type stars including brown dwarfs, evolved stars, metal-poor stars, and pre-main sequence stars. Progress is illustrated with several examples of how interferometry has contributed significantly in some of these areas.

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