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2015•Astronomy and AstrophysicsOpen access

Gaia FGK benchmark stars: Effective temperatures and surface gravities

U. Heiter, P. Jofré, B. Gustafsson, A. J. Korn, C. Soubiran, F. Thévenin

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Abstract

Context. In the era of large Galactic stellar surveys, carefully calibrating and validating the data sets has become an important and integral part of the data analysis. Moreover, new generations of stellar atmosphere models and spectral line formation computations need to be subjected to benchmark tests to assess any progress in predicting stellar properties.

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What this paper is about

Context. In the era of large Galactic stellar surveys, carefully calibrating and validating the data sets has become an important and integral part of the data analysis. Moreover, new generations of stellar atmosphere models and spectral line formation computations need to be subjected to benchmark tests to assess any progress in predicting stellar properties.

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Available abstract

Context. In the era of large Galactic stellar surveys, carefully calibrating and validating the data sets has become an important and integral part of the data analysis. Moreover, new generations of stellar atmosphere models and spectral line formation computations need to be subjected to benchmark tests to assess any progress in predicting stellar properties.

Key concepts: Benchmark (surveying), Stars, Context (archaeology), Computation, Astrophysics, Stellar atmosphere, Physics, Surface (topology)

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