Table 1
Stellar properties.
| Star | Spectral type | Distance | Apparent magnitude | Age [min.–max.] | Mass | References |
|---|---|---|---|---|---|---|
| (pc) | (L′) | (Gyr) | (M⊙) | |||
| τ Ceti | G8V | 3.65 | 1.7 | 5.8 [2.9–8.7] | 0.63 | 1, 2, 3, 4, 5 |
| Kapteyn’s star | M1VIp | 3.93 | 4.9 | 1.7 [0.5–2.9] | 0.27 | 5, 6, 7, 8, 9 |
| AX Mic | M1V | 3.97 | 2.9 | 4.8 [1.9–7.7] | 0.56 | 5, 6, 8, 10, 11, 12 |
| 40 Eri | K0V | 4.98 | 2.4 | 5.6 [2.8–8.4] | 0.67 | 1, 3, 4, 5, 10 |
| HD 36395 | M1.5Ve | 5.70 | 3.8 | 5.8 [2.7–8.8] | 0.64 | 5, 6, 7, 9, 13 |
| HD 42581 | M1V | 5.76 | 4.0 | 1.6 [0.3–3.0] | 0.58 | 6, 7, 9, 14, 15 |
References. (1) van Leeuwen (2007) – distance, (2) Kidger & Martín-Luis (2003) – mag., (3) Mamajek & Hillenbrand (2008) – age, (4) Sousa et al. (2008) – mass, (5) Keenan & McNeil (1989) – spectral type, (6) Gaia Collaboration (2018) – distance, (7) Cutri et al. (2013) – mag., (8) Gáspár et al. (2013) – age, (9) Astudillo-Defru et al. (2017) – mass, (10) Morel & Magnenat (1978) – mag., (11) Vican (2012) – age, (12) Takeda et al. (2007) – mass, (13) Yee et al. (2017) – age, (14) Nakajima et al. (2015) – age, (15) Kirkpatrick et al. (1991) – spectral type.
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