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Table 1
Effective temperature calibration sample.
| Star | SpT | T eff |
| (K) | ||
|
|
||
| GJ338A | M0V | 3953 ± 41 |
| GJ205 | M1.5V | 3850 ± 22 |
| GJ880 | M1.5V | 3731 ± 16 |
| GJ176 | M2.5V | 3701 ± 90 |
| GJ887 | M0.5V | 3695 ± 35 |
| GJ526 | M1.5V | 3646 ± 34 |
| GJ15A | M1.5V | 3602 ± 13 |
| GJ412A | M1V | 3537 ± 41 |
| GJ436 | M3V | 3520 ± 66 |
| GJ581 | M2.5V | 3487 ± 62 |
| GJ725A | M3V | 3417 ± 17 |
| GJ699 | M4V | 3238 ± 11 |
| GJ876 | M5V | 3176 ± 20 |
| GJ725B | M3.5V | 3142 ± 29 |
Notes. Effective temperatures are taken from Mann et al. (2013b) and spectral types from BO12. For GJ176 and GJ876, Teff values are adopted from Newton et al. (2015) and spectral types from the GJ catalogue (Gliese & Jahreiß 1991).
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