Table 2
Equatorial coordinates, main identifiers, optical and infrared magnitudes, proper motion, parallax, distance, spectroscopic parameters, interstellar extinction and fundamental parameters of EPIC 249893012.
| Parameter | Value | Source |
|---|---|---|
| Equatorial coordinates and main identifiers | ||
| RAJ2000.0 (hh:mm:ss) | 15:12:59.57 | Gaia (a) |
| DecJ2000.0 (dd:mm:ss) | −16:43:28.73 | Gaia (a) |
| Gaia ID | 6259263137059042048 | Gaia (a) |
| 2MASS ID | J15125956-1643282 | 2MASS(b) |
| TYC ID | 6170-95-1 | TYCHO2(c) |
| Optical and near-infrared magnitudes | ||
| Kp (mag) | 11.364 | K2 (d) |
| BJ (mag) | 12.335 ± 0.240 | K2 (d) |
| VJ (mag) | 11.428 ± 0.121 | K2 (d) |
| G (mag) | 11.4019 ± 0.0005 | Gaia (a) |
| g (mag) | 11.911 ± 0.010 | K2 (d) |
| r (mag) | 11.370 ± 0.020 | K2 (d) |
| i (mag) | 11.130 ± 0.030 | K2 (d) |
| J (mag) | 10.216 ± 0.026 | K2 (d) |
| H (mag) | 9.800 ± 0.023 | K2 (d) |
| K (mag) | 9.714 ± 0.023 | K2 (d) |
| Space motion and distance | ||
| PMRA (mas yr−1) | 13.55 ± 0.07 | Gaia (a) |
| PMDec (mas yr−1) | −34.29 ± 0.06 | Gaia (a) |
| Parallax (mas) | 3.08 ± 0.04 | Gaia (a) |
| Distance (pc) | 324.7 ± 4.2 | Gaia (a) |
| Spectroscopic parameters and interstellar extinction | ||
| Spectral type | G8 IV/V | This work |
| Teff (K) | 5430 ± 85 | This work |
| log g⋆ (cgs) | 3.99 ± 0.03 | This workFe/H>Fe/H |
| (dex) | 0.20 ± 0.05 | This workMg/H>Mg/H |
| (dex) | 0.28 ± 0.05 | This workNa/H>Na/H |
| (dex) | 0.25 ± 0.05 | This workCa/H>Ca/H |
| (dex) | 0.18 ± 0.05 | This work |
| Vmac (km s−1) | 3.5 ± 0.4 | This work |
| Vmic (km s−1) | 0.9 ± 0.1 | This work |
| V sin i⋆ (km s−1) | 2.1 ± 0.5 | This work |
| AV (mag) | 0.19 ± 0.02 | This work |
| Stellar fundamental parameters | ||
| M⋆ (M⊙) | 1.05 ± 0.05 | This work |
| R⋆ (R⊙) | 1.71 ± 0.04 | This work |
1.81 |
Gaia (a) | |
| L⋆ (L⊙) | 2.26 |
Gaia (a) |
| ρ⋆ (g cm−3) | 0.298 |
This work |
| Age (Gyr) | 9.0 |
This work |
References. (a) Gaia DR2 (Gaia Collaboration 2018). (b) 2MASS Catalog (Skrutskie et al. 2006). (c)TYCHO2 Catalog (Høg et al. 2000). (d)ExoFOP7.
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