Robust Data-driven Metallicities for 120 Million Stars from Gaia XP Spectra
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https://zenodo.org/record/7599788
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资源简介：
This is the dataset accompanying Andrae et al (2023), "Robust Data-driven Metallicities for 120 Million Stars from Gaia XP Spectra".
Table 1 (124,060,658 rows) contains XGBoost parameters (temperature, surface gravity, and metallicity) for all stars in the sample.
Table 2 (13,300,628 rows) contains Gaia DR3 parameters and XGBoost parameters for a vetted sample of RGB stars with reliable measurements.
The tables are provided in FITS and CSV formats, and the full data model is described in the accompanying paper.
创建时间：
2023-05-17
