Table 1
Stellar parameters.
| Parameter | HD 6860 (β And) | HD 18884 (α Cet) | HD 39801 (α Ori) | HD 42995 (η Gem) | HD 44478 (μ Gem) | HD 112300 (δ Vir) | HD 146051 (δ Oph) | HD 156014 (α Her) | HD 183030 (λ UMi) | Ref. |
|---|---|---|---|---|---|---|---|---|---|---|
| Spectral type | M0 III | M1.5 IIa | M1 | M3 III | M3 III | M1 III | M0.5 III | M5 Ib-II | M1 III | (1) |
| HPM(a) | LPV(b) | SRC(c) | SRC | LPV | LPV | HPM | LPV | LPV | ||
| mυ (mag) | 2.06 | 2.56 | 0.58 | 3.32 | 2.9 | 3.38 | 2.74 | 3.48 | 6.38 | (1) |
| B − V (mag) | 1.58 | 1.66 | 1.77 | 1.59 | 1.63 | 1.58 | 1.59 | 1.44 | 2.35 | (1) |
| distance (pc) | 60.45 | 76.29 | 149.79 | 115.02 | 70.81 | 60.81 | 52.46 | 107.52 | 269.86 | (2) |
| HIPscat (mag) | 0.012 | 0.012 | 0.091 | 0.059 | 0.037 | 0.022 | 0.090 | 0.122 | 0.030 | (1) |
| π (mas) | 23.3 ± 0.03 | – | – | – | – | 14.0 ± 0.6 | 0.5 ± 20.4 | 0.5 ± 9.9 | 3.7 ± 0.1 | (3) |
| – | 13.1 ± 0.4 | 6.6 ± 0.8 | 8.5 ± 1.2 | – | – | – | – | – | (4) | |
| Teff (K) | 3802 | 3890 | 3490 | 3571 | 3615 | 3657 | 3811 | 3269 | 3583 | (5) |
| [Fe/H] | −0.03 | −0.03 | 0.09 | 0 | −0.03 | −0.06 | −0.04 | – | – | (2) |
| log g (cgs) | 0.541 | 0.564 | −0.318 | 0.147 | 0.398 | 0.8 | 0.936 | −0.21 | 0.625 | (5) |
| R★ (R⊙) | 86.4 | 87 | 713.6 | 157.2 | 105 | 65.8 | 54.2 | 377.3 | 78.9 | (5) |
| M★ (M⊙) | – | – | – | – | 2.1 | 1.4 ± 0.3 | 1.5 | – | – | (6) |
| – | – | – | – | – | – | – | 2.5 | – | (7) | |
| – | – | 16.5–19 | – | – | – | – | – | – | (8) | |
| – | – | – | 2.5 | – | – | – | – | – | (9) | |
| 2.49 | – | – | – | – | – | – | – | – | (10) | |
| – | 2.3 ± 0.2 | – | – | – | – | – | – | – | (11) | |
| L★ (L⊙) | 1674.88 | – | 36554.42 | – | – | 502.59 | 715 | 1284.06 | 672.19 | (2) |
| 1403 | 1588 | 67879 | 3613 | 1692 | 697 | 558 | 14613 | 921 | (5) | |
| υrot sin i (km s−1) | 6.0 | 7.1 | – | – | – | 8.1 | 5.9 | – | – | (12) |
| Prot/sin i (days) | 7900 | 6250 | – | – | – | 4200 | 460 | – | – | (13) |
References. (1) Esa (1997); (2) Anderson & Francis (2012); (3) Gaia Collaboration (2018); (4) van Leeuwen (2007); (5) McDonald et al. (2017); (6) Tsuji (2007); (7) Moravveji et al. (2013); (8) Joyce et al. (2020); (9) Hunsch et al. (1998); (10) Dehaes et al. (2011); (11) Wittkowski et al. (2006); (12) Massarotti et al. (2008); (13) this work. (a) High-proper motion star. (b) Long-period variables. (c) Semiregular variable in late-type giants.
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