Open Access
Table 2
Stellar properties of GJ 1018.
Parameter | Value | Reference |
---|---|---|
Identifiers | ||
TOI, TIC | 244, 118327550 | [1], [2] |
GJ | 1018 | [3] |
LP | 937-95 | [4] |
2MASS | J00421695-3643053 | [5] |
Gaia DR3 | 5001098681543159040 | [6] |
Coordintates, parallax and kinematics | ||
RA, Dec | 00:42:16.74, −36:43:04.71 | [6] |
µα [mas yr−1] | −154.880 ± 0.020 | [6] |
µδ [mas yr−1] | 45.632 ± 0.029 | [6] |
Parallax [mas] | 45.300 ± 0.027 | [6] |
Distance [pc] | 22.075 ± 0.013 | [6] |
RV [km s−1] | 15.1410 ± 0.013 | [7], Sect. 4.3 |
U [km s−1] | −23.30 ± 0.02 | [7], Sect. 3.5 |
V [km s−1] | 17.09 ± 0.02 | [7], Sect. 3.5 |
W [km s−1] | −8.62 ± 0.03 | [7], Sect. 3.5 |
Gal. population | Thin disk | [7], Sect. 3.5 |
Atmospheric parameters and spectral type | ||
Teff [K] | 3433 ± 100 | [7], Sect. 3.2 |
log ɡ [dex] | 4.66 ± 0.07 | [7], Sect. 3.2 |
[Fe/H] [dex] (1) | −0.39 ± 0.07 | [7], Sect. 3.2 |
[Fe/H] [dex] (2) | −0.03 ± 0.11 | [7], Sect. 3.2 |
SpT | M2.5 V | [7], Sect. 3.2 |
Physicall parameters | ||
R⋆ [R⊙] | 0.428 ± 0.025 | [7], Sect. 3.4 |
M⋆ [M⊙] | 0.427 ± 0.029 | [7], Sect. 3.4 |
L [L⊙ × 10−2] | 2.277 ± 0.042 | [7], Sect. 3.3 |
Prot [days] | [7], Sect. 4.3 | |
Age [Gyr] | 7±4 | [8] |
Chemical abundances | ||
[Mg/H] [dex] (1) | −0.28 ± 0.07 | [7], Sect. 3.5 |
[Si/H] [dex] (1) | −0.33 ± 0.07 | [7], Sect. 3.5 |
[Mg/H] [dex] (2) | 0.00 ± 0.10 | [7], Sect. 3.5 |
[Si/H] [dex] (2) | −0.01 ± 0.10 | [7], Sect. 3.5 |
Magnitudes | ||
Mbol [mag] | 8.847 ± 0.020 | [7], Sect. 3.3 |
TESS [mag] | 10.3475 ± 0.0073 | [2] |
G [mag] | 11.553 ± 0.001 | [6] |
B [mag] | 14.199 ± 0.033 | [9] |
V [mag] | 12.684 ± 0.047 | [9] |
ɡ′ [mag] | 13.426 ± 0.063 | [9] |
r′ [mag] | 12.097 ± 0.045 | [9] |
i′ [mag] | 10.831 ± 0.062 | [9] |
J [mag] | 8.827 ± 0.023 | [5] |
H [mag] | 8.251 ± 0.033 | [5] |
Ks [mag] | 7.970 ± 0.029 | [5] |
References. [1] Guerrero et al. (2021); [2] Stassun et al. (2019); [3] Gliese & Jahreiß (1991); [4] Luyten (1979); [5] Skrutskie et al. (2006); [6] Gaia Collaboration (2023); [7] this work; [8] Angus et al. (2019); [9] Henden (2019).
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