The GALAH survey: effective temperature calibration from the InfraRed Flux Method in the Gaia system

  title={The GALAH survey: effective temperature calibration from the InfraRed Flux Method in the Gaia system},
  author={Luca Casagrande and Jane Lin and Adam D. Rains and Fan Liu and Sven Buder and Jonathan Horner and Martin Asplund and Geraint F. Lewis and Sarah L. Martell and Thomas Nordlander and Dennis Stello and Yuan-Sen Ting and Robert A. Wittenmyer and Joss Bland-Hawthorn and Andrew R. Casey and Gayandhi M De Silva and Valentina D’Orazi and Kenneth C. Freeman and Michael R. Hayden and Janez Kos and Karin Lind and Katharine J. Schlesinger and Sanjib Sharma and Jeffrey D. Simpson and Daniel B. Zucker and Toma{\vz} Zwitter},
  journal={Monthly Notices of the Royal Astronomical Society},
In order to accurately determine stellar properties, knowledge of the effective temperature of stars is vital. We implement Gaia and 2MASS photometry in the InfraRed Flux Method and apply it to over 360 000 stars across different evolutionary stages in the GALAH DR3 survey. We derive colour-effective temperature relations that take into account the effect of metallicity and surface gravity over the range $4000\, \rm {K}\lesssim T_{\rm {eff}}\lesssim 8000\, \rm {K}$, from very metal-poor stars… Expand

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