Open Access
Table 6
Stellar parameters for NGTS-27.
| Parameter | Value | Source |
|---|---|---|
| Astrometric properties | ||
| 2MASS I.D. | J13440638-3231227 | 2MASS |
| Gaia source I.D. | 6171451912217279872 | Gaia DR3 |
| TIC I.D. | 305739565 | TICv8 |
| RA | 13h44m06.37 | 2MASS |
| Dec | −32°31′22.″71 | 2MASS |
| Photometric properties | ||
| H (mag) | 11.858 ± 0.023 | 2MASS |
| J (mag) | 12.248 ± 0.023 | 2MASS |
| K (mag) | 11.859 ± 0.028 | 2MASS |
| V (mag) | 13.50 ± 0.02 | APASS |
| B (mag) | 14.207 ± 0.02 | APASS |
| G (mag) | 13.33570 ± 0.00023 | Gaia DR3 |
| Grp (mag) | 12.818 ± 0.001 | Gaia DR3 |
| Gbp (mag) | 13.691 ± 0.001 | Gaia DR3 |
| i (mag) | 13.16 ± 0.06 | APASS |
| W1 (mag) | 11.823 ± 0.023 | WISE |
| W2 (mag) | 11.862 ± 0.022 | WISE |
| NUV (mag) | 19.9 ± 0.2 | GALEX |
| TESS (mag) | 12.885 ± 0.006 | TICv8 |
| Derived properties | ||
| Teff (K) | 5700 ± 80 | iSPEC |
| [Fe/H] | 0.0 ± 0.08 | iSPEC |
| log 𝑔 | 4.05 ± 0.08 | ARIADNE |
| υ sin i (km s−1) | 1.6 ± 0.5 | iSPEC |
| M* (M⊙) | 1 . 07 ± 0.06 | ARIADNE |
| R* (R⊙) | 1.77 ± 0.03 | ARIADNE |
| Age (Gyr) | 7.9 ± 0.8 | SED fitting |
| d (pc) | 977 ± 17 | Gaia DR3 |
| Av (mag) | 0.08 ± 0.01 | ARIADNE |
| L*(L⊙) | 3.264 ± 0.242 | Gaia DR2 |
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