| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Telescopium[1] |
| Right ascension | 20h 27m 42.08140s[2] |
| Declination | −56° 27′ 25.1519″[2] |
| Apparent magnitude (V) | 12.193[3] |
| Characteristics | |
| Evolutionary stage | Main sequence |
| Spectral type | M2.5V[4] |
| Apparent magnitude (B) | 13.655±0.029[3] |
| Apparent magnitude (V) | 12.193±0.056[3] |
| Apparent magnitude (G) | 11.235±0.003[2] |
| Apparent magnitude (J) | 8.697±0.019[3] |
| Apparent magnitude (H) | 8.161±0.034[3] |
| Apparent magnitude (K) | 7.915±0.023[3] |
| Astrometry | |
| Radial velocity (Rv) | 7.38±0.29[2] km/s |
| Proper motion (μ) | RA: 424.417 mas/yr[2] Dec.: −1,230.941 mas/yr[2] |
| Parallax (π) | 49.0555 ± 0.0247 mas[2] |
| Distance | 66.49 ± 0.03 ly (20.39 ± 0.01 pc) |
| Details[3] | |
| 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[2] cgs |
| Temperature | 3,458+140 −133 K |
| Metallicity [Fe/H] | 0.1±0.1 dex |
| Age | 3.9±0.4[5] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | 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.[3]
GaiaDR3 was invoked but never defined (see the help page).Shporer2020 was invoked but never defined (see the help page).reid1995 was invoked but never defined (see the help page).Crossfield2022 was invoked but never defined (see the help page).SIMBAD was invoked but never defined (see the help page).