Table 3
Estimated effective temperatures from different studies.
| Target | Spectral type | Our work | On12 | RA12 | Ma15 |
|
|
|||||
| HIP 57172 B | M0-M1 | >3900 | 3908 | ||
| GJ 527 B | M2 | 3425 | |||
| GJ 176 | M2.2 | 3550 | 3361 | 3581 | 3680 |
| GJ 250 B | M2.3 | 3550 | 3376 | 3569 | 3481 |
| HIP 12048 B | M2.5 | 3225 | |||
| GJ 674 | M2.5 | 3350 | 3305 | ||
| GJ 436 | M2.8 | 3400 | 3263 | 3469 | 3479 |
| GJ 849 | M3.1 | 3350 | 3196 | 3601 | 3530 |
| GJ 581 | M3.2 | 3350 | 3308 | 3534 | 3395 |
| GJ 317 | M3.5 | 3375 | 3125 | ||
| GJ 628 | M3.6 | 3275 | 3208 | 3380 | 3272 |
| GJ 876 | M3.7 | 3250 | 3156 | 3473 | 3247 |
Notes. Estimated effective temperatures from three different methods. Column 1 contains estimated temperatures from the FeH line strength, Col. 2 contains adopted values by On12 based on the calibration developed by Casagrande et al. (2008) with some adjustments based on FeH line strength, and Col. 3 shows values obtained by RA12 using their K band spectroscopic index. The last column shows the adopted values by Ma15 based on calculated bolometric flux and measured angular diameter.
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