Table 1
Observed and inferred stellar parameters for Gl 676A and HIP 12961.
| Parameter | Gl 676A | HIP 12961 | Notes | |
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|
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| Spectral Type | M0V | M0V | a | |
| V | 9.585 ± 0.006 | 10.31 ± 0.04 | b | |
| J | 6.711 ± 0.020 | 7.558 ± 0.021 | c | |
| K s | 5.825 ± 0.029 | 6.736 ± 0.018 | c | |
| BCKs | 2.73 | 2.61 | d | |
| π | [mas] | 60.79 ± 1.62 | 43.45 ± 1.72 | e |
| Distance | [pc] | 16.45 ± 0.44 | 23.01 ± 0.91 | |
| M V | 8.50 ± 0.06 | 8.50 ± 0.09 | ||
| M K s | 4.74 ± 0.06 | 4.93 ± 0.09 | ||
| M bol | 7.47 | 7.54 | ||
| L ⋆ | [L⊙] | 0.082 | 0.076 | |
| vsini | [km s-1] | 1.6 ± 1.0 | 1.5 ± 1.0 | |
| [Fe/H] | 0.18 | −0.07 | f | |
| M ⋆ | [M⊙] | 0.71 | 0.67 | g |
Notes.
Hawley et al. (1996) for Gl 676A, and Luyten (1980) for HIP 12961;
Koen et al. (2002) for Gl 676A, and computed from the TYCHO (BT,VT) photometry for HIP 12961;
computed from J − Ks with the Leggett et al. (2001) BCKs vs. J − Ks relation;
computed from MKs and V − Ks using the Schlaufman & Laughlin (2010) calibration;
computed from MKs using the Delfosse et al. (2000) calibration; both masses are at the upper edge of the validity range of that calibration, and they might therefore have somewhat larger errors than its 10% dispersion.
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