Table 2
Observed and inferred stellar parameters for host stars to the brown dwarf candidates: HD 13724 and HD 92987.
| Parameters | Units | HD 13724 | HD 92987 |
|---|---|---|---|
| Spectral type (a) | G3/G5V | G2/G3V | |
| V (a) | 7.89 | 7.03 | |
| B − V (a) | 0.667 | 0.641 | |
| π (b) | (mas) | 23.0 ± 0.03 | 22.9 ± 0.03 |
| L(b) | (L⊙) |  |
2.55 ± 0.006 |
| Teff (c) | (K) | 5868 ± 27(e) | 5770 ± 36(f) |
| log g (c) | (cgs) | 4.44 ± 0.07(g) | 4.00 ± 0.15(f) |
| [Fe/H ] (c) | (dex) | 0.23 ± 0.02(e) | − 0.08 ± 0.08(f) |
 (c) |
− 4.76 ±.003 | − 5.090 ± 0.006 | |
| Prot | (days) | 20.2 ± 1.2 | 26.2 ± 1.1 |
| v sin i (d) | (km s −1) | 3.025 | 2.616 |
| M* | (M⊙) | 1.14 ± 0.06 | 1.08 ± 0.06 |
| R* | (R⊙) | 1.07 ± 0.02 | 1.58 ± 0.04 |
| Age | (Gyr) | 0.76 ± 0.71 | 7.75 ± 0.31 |
Notes. (a)Parameters taken from HIPPARCOS (Perryman et al. 1997). (b)Parameters taken from Gaia data release 2 (Gaia Collaboration 2018). (c) Parameters derived using CORALIE spectra. (d) Parameters derived using CORALIE CCF. (e)Parameters taken from Gomes da Silva et al. (2014). (f)Parameters taken from Bond et al. (2006). (g)Parameters taken from Porto de Mello et al. (2014).
References. (1) Bond et al. (2006); ; (2) Gaia Collaboration (2018); (3) Gomes da Silva et al. (2014); (4) Perryman et al. (1997); (5) Porto de Mello et al. (2014).
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