Open Access
Table 2
Teff and log g estimates from photometric calibration.
| HD 21997 | 49 Ceti | HD 131835 | HD 138813 | HD 110058 | |||||||
| Photometric system | Calibration | Teff | log g | Teff | log g | Teff | log g | Teff | log g | Teff | log g |
| Strömgren | Moon & Dworetsky (1985) | 8570 | 4.39 | 9106 | 4.29 | – | – | 9681 | 4.66 | – | – |
| Napiwotzki et al. (1993) | 8411 | 4.24 | 8668 | 4.08 | – | – | 9073 | 4.19 | – | – | |
| Balona (1994) | 8403 | 4.40 | 8827 | 4.30 | – | – | 9724 | 5.01 | – | – | |
| Ribas et al. (1997) | – | – | 9102 | 4.29 | – | – | 9684 | 4.70 | – | – | |
| Castelli et al. (1997) | – | – | 8851 | 4.09 | – | – | 9286 | 4.39 | – | – | |
| Geneva | Kunzli et al. (1997) | 8464 | 4.25 | – | – | – | – | 9060 | 4.12 | – | – |
| Johnson | Bessell et al. (1998) | – | – | – | – | 7716 | 4.21 | 8752 | 4.23 | 7823 | 4.21 |
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