GJ 1252
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Telescopium |
| Right ascension | 20h 27m 42.08140s |
| Declination | −56° 27′ 25.1519″ |
| Apparent magnitude (V) | 12.193 |
| Characteristics | |
| Evolutionary stage | Main sequence |
| Spectral type | M2.5V |
| Apparent magnitude (B) | 13.655±0.029 |
| Apparent magnitude (V) | 12.193±0.056 |
| Apparent magnitude (G) | 11.235±0.003 |
| Apparent magnitude (J) | 8.697±0.019 |
| Apparent magnitude (H) | 8.161±0.034 |
| Apparent magnitude (K) | 7.915±0.023 |
| Astrometry | |
| Radial velocity (Rv) | 7.38±0.29 km/s |
| Proper motion (μ) | RA: 424.417 mas/yr Dec.: −1,230.941 mas/yr |
| Parallax (π) | 49.0555±0.0247 mas |
| Distance | 66.49 ± 0.03 ly (20.39 ± 0.01 pc) |
| Details | |
| Mass | 0.381±0.019 M☉ |
| Radius | 0.391±0.020 R☉ |
| Luminosity (bolometric) | 0.0196+0.0026 −0.0023 L☉ |
| Surface gravity (log g) | 4.49 cgs |
| Temperature | 3,458+140 −133 K |
| Metallicity [Fe/H] | 0.1±0.1 dex |
| Age | 3.9±0.4 Gyr |
| Other designations | |
| GJ 1252, L 210-70, LFT 1546, LHS 492, LTT 8083, NLTT 49258, PM J20277-5627, TOI-1078, TIC 370133522, GCRV 26183, 2MASS J20274210-5627262 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
GJ 1252 is a red dwarf star located 66.5 light-years (20.4 parsecs) away from the Solar System in the constellation of Telescopium. The star has about 38% the mass and 39% the radius of the Sun, and a temperature of about 3,458 K (3,185 °C; 5,765 °F). GJ 1252 is orbited by one known exoplanet.