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Table 1
Stellar properties of η Cet.
| Parameter | η Cet | Reference |
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|
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| Spectral type | K1III | Gray et al. (2006) |
| K2III CNO.5 | Luck & Challener (1995) | |
| mv [mag] | 3.46 | van Leeuwen (2007) |
| B − V | 1.161 ± 0.005 | van Leeuwen (2007) |
| Distance [pc] | 37.99 ± 0.20 | van Leeuwen (2007) |
| π [mas] | 26.32 ± 0.14 | van Leeuwen (2007) |
| Mass [M⊙] | 1.7 ± 0.1 | Reffert et al. (2014) |
| 1.3 ± 0.2 | Luck & Challener (1995) | |
| 1.2 ± 0.2 | Berio et al. (2011) | |
| Luminosity [L⊙] | 77.1 ± 1.1 | Reffert et al. (2014) |
| 74.0 ± 3.7 | Berio et al. (2011) | |
| Radius [R⊙] | 14.3 ± 0.2 | Reffert et al. (2014) |
| 15.1 ± 0.1 | Berio et al. (2011) | |
| Teff [K] | 4528 ± 19 | Reffert et al. (2014) |
| 4563 ± 82 | Prugniel et al. (2011) | |
| 4425 ± 100 | Luck & Challener (1995) | |
| 4356 ± 55 | Berio et al. (2011) | |
| log g [ cm s-2 ] | 2.36 ± 0.05 | Reffert et al. (2014) |
| 2.61 ± 0.21 | Prugniel et al. (2011) | |
| 2.65 ± 0.25 | Luck & Challener (1995) | |
| [Fe/H] | 0.07 ± 0.1 | Hekker & Meléndez (2007) |
| 0.12 ± 0.08 | Prugniel et al. (2011) | |
| 0.16 ± 0.05 | Luck & Challener (1995) | |
| v sini[km s-1 ] | 3.8 ± 0.6α | Hekker & Meléndez (2007) |
| RVabsolute[km s-1 ] | 11.849 | This paper |
Notes. α: we estimated this using σFWHM and σvmac given in Hekker & Meléndez (2007).
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