Table 3
Stellar parameters for K2-19 (EPIC 201505350, TIC 281885301, TOI-5145, Gaia DR3 3798833775141351552, and 2MASS J11395048+0036129).
| Parameter | Value | Refs |
|---|---|---|
| Astrometry | ||
| Right ascension (J2016), α | Uh39m50.46s | 1 |
| Declination (J2016), δ | 00° 36′ 12.95″ | 1 |
| Parallax, π (mas) | 3.368 ± 0.020 | 1, 2 |
| Distance, d (pc) | 296.9 ± 1.7 | 3 |
| Proper motion α (mas/year) | -18.673 ± 0.022 | 1 |
| Proper motion δ (mas/year) | 4.571 ± 0.015 | 1 |
| Photometry | ||
| Kepler magnitude (mag) | 12.806 | 4 |
| TESS magnitude (mag) | 12.3049 ± 0.0068 | 5 |
| Gaia-BP (mag) | 13.2080 ± 0.0030 | 1 |
| Gaia-G (mag) | 12.8060 ± 0.0028 | 1 |
| Gaia-RP (mag) | 12.2387 ± 0.0029 | 1 |
| 2MASS J (mag) | 11.596 ± 0.024 | 6 |
| 2MASS H (mag) | 11.208 ±0.022 | 6 |
| 2MASS Ks (mag) | 11.161 ±0.026 | 6 |
| WISE W1 (mag) | 11.105 ±0.023 | 7 |
| WISE W2 (mag) | 11.152 ±0.021 | 7 |
| WISE W3 (mag) | 10.92 ±0.12 | 7 |
| Stellar parameters | ||
| Spectral type | G9 | 8 |
| Prior stellar mass, m★ (M⊙) | 0.885 ± 0.034 | 3 |
| Prior stellar radius, R★ (R⊙) | 0.845 ± 0.039 | 3 |
| Effective temperature, Teff (K) | 5350± 110 | 9, 3 |
| Surface gravity, log g (cgs) | 4.531 ± 0.044 | R★, m★ |
| Metallicity, [Fe/H]★ (dex) | 0.03 ± 0.02 | 9 |
| Age (Gyr) | 1.70 ± 0.25 | 3 |
Notes. (1) Gaia Collaboration (2023), (2) Lindegren et al. (2021), (3) This work, (4) Huber et al. (2016), (5) Stassun et al. (2019), (6) Cutri et al. (2003), (7) Cutri et al. (2021), (8) Pecaut & Mamajek (2013), (9) Sousa et al. (2021).
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