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Table 2
Catalogues used for training EXTRATREES for Teff estimation showing the number of stars in the range from 3000 K to 10 000 K that we selected and the mean Teff uncertainty quoted by the catalogues.
| Number | Mean Teff | |
|---|---|---|
| Catalogue | of stars | uncertainty [K] |
| APOGEE | 5978 | 92 |
| Kepler Input Catalogue | 14 104 | 141 |
| LAMOST | 5540 | 55 |
| RAVE | 2427 | 61 |
| RVS Auxiliary Catalogue | 4553 | 122 |
| combined | 32 602 | 102 |
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