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

@article{Casagrande2021TheGS,
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},
year={2021}
}
• L. Casagrande, +23 authors T. Zwitter
• Published 4 November 2020
• Physics
• 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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References

SHOWING 1-10 OF 63 REFERENCES
An absolutely calibrated effective temperature scale from the InfraRed Flux Method
• Physics
• 2010
Various effective temperature scales have been proposed over the years. Despite much work and the high internal precision usually achieved, systematic differences of order 100 K (or more) amongExpand
Determination of effective temperatures for an extended sample of dwarfs and subdwarfs (F0-K5)
• Physics
• 1996
We have applied the InfraRed Flux Method (IRFM) to a sample of 475 dwarfs and subdwarfs in order to derive their eective temperatures with a mean accuracy of about 1.5%. We have used the newExpand
Accurate fundamental parameters for lower main‐sequence stars
• Physics
• 2006
We derive an empirical effective temperature and bolometric luminosity calibration for G and K dwarfs, by applying our own implementation of the Infrared Flux Method to multiband photometry. OurExpand
The Effective Temperature Scale of FGK Stars. II. Teff:Color:[Fe/H] Calibrations
• Physics
• 2005
We present up-to-date metallicity-dependent temperature versus color calibrations for main-sequence and giant stars based on temperatures derived with the infrared flux method (IRFM). SeventeenExpand
A new implementation of the infrared flux method using the 2MASS catalogue
• Physics
• 2009
Context. The effective temperature scale of FGK stars, especially at the lowest metallicities remains a major problem in the chemical abundance analysis of metal-poor stars. Aims. We present a newExpand
The K2-HERMES Survey: age and metallicity of the thick disc
Asteroseismology is a promising tool to study Galactic structure and evolution because it can probe the ages of stars. Earlier attempts comparing seismic data from the Kepler satellite withExpand
Gaia DR2 Color–Temperature Relations Based on Infrared Flux Method Results
• Physics, Materials Science
• 2020
The ESA/Gaia mission is providing accurate and precise all-sky photometry. We combined effective temperatures derived, for a sample of dwarf and giant stars, by Gonzalez Hernandez \& Bonifacio (2009)Expand
The GALAH+ survey: Third data release
The recent exponential increase in spectroscopic, astrometric & photometric data has highlighted the scientific opportunities afforded by obtaining an ensemble of chemical element abundances forExpand
Optical interferometry of early-type stars with PAVO@CHARA – I. Fundamental stellar properties
We present interferometric observations of 7 main-sequence and 3 giant stars with spectral types from B2 to F6 using the PAVO beam combiner at the CHARA array. We have directly determined the angularExpand
Absolute physical calibration in the infrared
We determine an absolute calibration for the Multiband Imaging Photometer for Spitzer 24 μm band and recommend adjustments to the published calibrations for Two Micron All Sky Survey (2MASS),Expand