Open Access
Table 2
Stellar parameters of the stars presented here.
| Parameter | HD 11608 | HD 3964 | HD 94771 | HIP54597 | BD-210397 | HD 74698 | |
|---|---|---|---|---|---|---|---|
| SpType | K1/K2V | G5V | G3/G5V | K5V | K7V | G5V | |
| V | (mag) | 9.307 ± 0.010 | 8.383 ± 0.010 | 7.361 ± 0.010 | 9.836 ± 0.010 | 9.84 ± 0.015(a) | 7.760 ± 0.010 |
| B – V | (mag) | 0.988 ± 0.006 | 0.675 ± 0.00 | 0.749 ± 0.015 | 1 .072 ± 0.015 | 1.346 ± 0.007(a) | 0.658 ± 0.010 |
| π | (mas) | 3. 00 ± 0.0 0 | 0.541 ± 0.0 5 | 17.356 ± 0.018 | 25.286 ± 0.015 | 42.123 ± 0.017 | 19.285 ± 0.014 |
| d | (pc) | 43.103 ± 0.038 | 48.684 ± 0.060 | 57.618 ± 0.061(b) | 39.547 ± 0.023 | 23.740 ± 0.009 | 51.854 ± 0.039 |
| Mv | (mag) | 6.13 ± 0.01 | 4.95 ± 0.01 | 3.56 ± 0.01 | 6.85 ± 0.01 | 7.96 ± 0.01 | 4.19 ± 0.01 |
| B.C. | (mag) | −0.413 | −0.089 | −0.109 | −0.407 | −1.050 | –0.079 |
| L | (L⊙) | 0.405 ± 0.005 | 0.89 ± 0.01 | 3.28 ± 0.04 | 0.208 ± 0.002 | 0.135 ± 0.002 | 1.79 ± 0.02 |
| Teff | (K) | 4788 ± 50.8 | 57 9 ± 19.0 | 5631 ± 21.0 | 4799 ± 90 | 4051 ± 239 | 5783 ± 19.0 |
| R⋆ | (R⊙) | 0.9 5 ± 0.0 1 | 0.96 ± 0.009 | 1.903 ± 0.019 | 0.660 ± 0.025 | 0.747 ± 0.088 | 1.333 ± 0.012 |
| log(ɡ) | (cms−2) | 4.39 ± 0.18 | 4.37 ± 0.04 | 3.94 ± 0.03 | 4.43 ± 0.18 | 4.67 ± 0.06 | 4.12 ± 0.02 |
| [Fe/H] | (dex) | 0. 4 ± 0.04 | 0.05 ± 0.01 | 0.22 ± 0.02 | −0.22 ± 0.06 | 0.12 ± 0.10 | 0.07 ± 0.02 |
| M⋆ | (M⊙) | 0.833 ± 0.0 1 | 1.005 ± 0.032 | 1.200 ± 0.024 | 0.69 ± 0.02(c) | 0.679 ± 0.017(c) | 1 .039 ± 0.025 |
| Age | (Gyr) | 8.334 ± 4.559 | 2.501 ± 2.175 | 5.733 ± 0.391 | 6.9 ± 4.5(c) | 6.2 ± 4.7(c) | 7.847 ± 1.191 |
| FWHM | (km s−1) | 7.004 ± 0.014 | 6.896 ± 0.013 | 7.624 ± 0.009 | 6.937 ± 0.023 | 7.203 ± 0.022 | 7.222 ± 0.011 |
 |
−4.98 ± 0.07 | −4.87 ± 0.11 | −5.20 ± 0.09 | −4.89 ± 0.07 | – | −5.03 ± 0.09 | |
| υ sin i | (km s−1) | 1.5 ± 0.5 | 1.5 ± 0.5 | 3.2 ± 0.5 | <1 | <1 | 2.2 ± 0.5 |
| Prot | (days) | 50 ± 5 | 24 ± 4 | 49 ± 6 | 45 ± 5 | – | 30 ± 3 |
| Parameter | HD62364 | HD56380 | HD 221638 | HD 33473A | HD11938 | HD 61383 | |
| SpType | F7V | G8V | F6V | G3V | K4/K5V | G3V | |
| V | (mag) | 7. 93 ± 0.010 | 9.180 ± 0.010 | 7.530 ± 0.010 | 6.743 ± 0.010 | 9.854 ± 0.010 | 7.572 ± 0.010 |
| B–V | (mag) | 0.5 9 ± 0.004 | 0.733 ± 0.002 | 0.503 ± 0.006 | 0.659 ± 0.006 | 1.117 ± 0.009 | 0.601 ± 0.010 |
| π | (mas) | 18.881 ± 0.0 3 | 18.822 ± 0.087 | 19.160 ± 0.027 | 18.188 ± 0.024 | 24.760 ± 0.080 | 18.822 ± 0.024 |
| d | (pc) | 5 .963 ± 0.064 | 53.128 ± 0.244 | 52.192 ± 0.073 | 54.981 ± 0.074 | 40.388 ± 0.131 | 53.130 ± 0.068 |
| Mv | (mag) | 3.67 ± 0.01 | 5.55 ± 0.02 | 3.94 ± 0.02 | 3.04 ± 0.01 | 6.82 ± 0.02 | 3.95 ± 0.01 |
| B.C. | (mag) | −0.015 | −0.189 | −0.005 | −0.087 | −0.568 | −0.091 |
| L | (L⊙) | .71 ± 0.04 | 0.56 ± 0.01 | 2.09 ± 0.03 | 5.18 ± 0.07 | 0.248 ± 0.005 | 2.26 ± 0.03 |
| Teff | (K) | 6 55 ± 6.0 | 5317 ± 22.0 | 6360 ± 50.0 | 5740 ± 13.0 | 4547 ± 109.1 | 5716 ± 14.0 |
| R⋆ | (R⊙) | 1.401 ± 0.015 | 0.884 ± 0.012 | 1.192 ± 0.020 | 2.300 ± 0.019 | 0.802 ± 0.039 | 1.533 ± 0.013 |
| log(ɡ) | (cms−2) | 4.14 ± 0.04 | 4.38 ± 0.04 | 4.16 ± 0.08 | 3.84 ± 0.02 | 4.41 ± 0.32 | 4.08 ± 0.02 |
| [Fe/H] | (dex) | −0.11 ± 0.0 | −0.42 ± 0.02 | −0.21 ± 0.04 | −0.13 ± 0.01 | 0.08 ± 0.06 | −0.49 ± 0.01 |
| M⋆ | (M⊙) | 1.157 ± 0.028 | 0.768 ± 0.011 | 1.123 ± 0.040 | 1 .248 ± 0.020 | 0.752 ± 0.019 | 0.871 ± 0.013 |
| Age | (Gyr) | 3.901 ± 0.699 | 12.153 ± 1.128 | 2.228 ± 1.378 | 4.189 ± 0.155 | 5.530 ± 4.719 | 12.071 ± 0.371 |
| FWHM | (km s−1) | 8.615 ± 0.010 | 6.444 ± 0.016 | 9.407 ± 0.018 | 7.393 ± 0.009 | 7.539 ± 0.018 | 6.821 ± 0.011 |
 |
−5.0 ± 0.06 | −5.03 ± 0.18 | −4.87 ± 0.65 | −5.12 ± 0.10 | −4.55 ± 0.03 | −5.05 ± 0.10 | |
| υ sin i | (km s−1) | 3.8 ± 0.5 | <1 | 4.7 ± 0.5 | 2.6 ± 0.5 | <1 | <1 |
| Prot | (days) | 14±1 | 38 ± 6 | 10±2 | 32 ± 5 | 22 ± 2 | 22 ± 4 |
Notes. (a)Original (not dereddened) value from HIPPARCOS (ESA 1997). (b)Originally within the defined volume limit (57.5 pc), the new Gaia parallax places it slightly outside of the sample. (c)Calculated via theoretical isochrones (Bressan et al. 2012).
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