Table 1
Summary of the fundamental stellar parameters of K2–36.
| Parameter | Value | Ref. |
|---|---|---|
| RA (ICRS J2015) | 11:17:47.78 | (1) |
| Dec (ICRS J2015) | +03:51:59.00 | (1) |
 (mas yr−1) |
−20.521 ± 0.076 | (1) |
| μδ (mas yr−1) | 26.194 ± 0.058 | (1) |
| Parallax (mas) | 9.0832 ± 0.0504 | (1) |
| V (mag) | 11.803 ± 0.030 | (2) |
| B − V | 0.992 ± 0.064 | (2) |
| Ks (mag) | 9.454 ± 0.025 | (3) |
| WISE/W1 (mag) | 9.379 ± 0.023 | (4) |
| WISE/W12 (mag) | 9.442 ± 0.020 | (4) |
| Radius (R⊙) | 0.718 |
(5a) |
| 0.74 ± 0.04 | (6) | |
| 0.75 ± 0.02 | (7) | |
| Mass (M⊙) | 0.79 ± 0.01 | (5a) |
| 0.80 ± 0.04 | (6) | |
0.80 |
(7) | |
| Density, ρ⋆ (ρ⊙) | 2.12 ± 0.04 | (5a) |
| Teff (K) | 4916 |
(5) |
| 4924 ± 60 | (6) | |
| 4944 ± 50 | (7) | |
| logg (cgs) | 4.621 |
(5b) |
| 4.65 ± 0.10 | (6) | |
| 4.70 ± 0.10 | (7) | |
| [Fe/H] (dex) | −0.09 |
(5) |
| −0.03 ± 0.04 | (6) | |
| −0.03 ± 0.08 | (7) | |
| Age (Gyr) | 1.4 |
(5a) |
| 1.5 ± 0.4 | (5c) | |
| 1.1 ± 0.2 | (5d) | |
| log(L∕L⊙) | −0.57 ± 0.01 | (5a) |
| v sin i⋆ (km s−1) | <2 | (5) |
| 2 ± 1 | (6) | |
 (dex) |
−4.50 | (5) |
| Prot (days) | 16.9 ± 0.2 | (5) |
References. (1) Gaia DR2 (Gaia Collaboration 2016, 2018); (2) APASS DR9 (Henden et al. 2015); (3) 2MASS Catalog (Skrutskie et al. 2006); (4) WISE Catalog; (5) this work; (5a) this work, derived from isochrones by imposing an age in the range 600 Myr–2 Gyr; (5b) derived from isochrones, and not from spectral analysis; (5c) based on a rotation-age relationship, and consistent with the measured
; (5d) based on the activity-age calibration of Mamajek & Hillenbrand (2008); (6) Sinukoff et al. (2016); (7) Mayo et al. (2018).
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