TOI-2267
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cepheus |
| Right ascension | 04h 20m 12.64355s |
| Declination | +84° 54′ 06.2765″ |
| Apparent magnitude (V) | 15.41 |
| Characteristics | |
| Evolutionary stage | main sequence + main sequence |
| Spectral type | M5V+M6V |
| Astrometry | |
| Radial velocity (Rv) | −19.0±0.3 km/s |
| Proper motion (μ) | RA: +182.388 mas/yr Dec.: −213.503 mas/yr |
| Parallax (π) | 44.3496±0.3556 mas |
| Distance | 73.5 ± 0.6 ly (22.5 ± 0.2 pc) |
| Position (relative to A) | |
| Component | B |
| Epoch of observation | 9 December 2021 |
| Angular distance | 0.384″ |
| Position angle | 279.7° |
| Projected separation | 8 AU |
| Details | |
| A | |
| Mass | 0.1710±0.0079 M☉ |
| Radius | 0.2075±0.0225 R☉ |
| Luminosity | 0.0033±0.0003 L☉ |
| Surface gravity (log g) | 4.99±0.05 cgs |
| Temperature | 3030±100 K |
| Metallicity [Fe/H] | 0.164±0.11 dex |
| Rotation | 0.6958 days |
| Age | ≳1 Gyr |
| B | |
| Mass | 0.0989±0.0130 M☉ |
| Radius | 0.130±0.030 R☉ |
| Luminosity | 0.0011±0.0003 L☉ |
| Surface gravity (log g) | 5.28±0.18 cgs |
| Temperature | 2930±160 K |
| Metallicity [Fe/H] | 0.164±0.11 dex |
| Rotation | 0.4936 days |
| Age | ≳1 Gyr |
| Other designations | |
| G 222-3, LP 4-80, LSPM J0420+8454, NLTT 12645, TOI-2267, TIC 459837008 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
TOI-2267 is a binary star located 73.5 light-years (22.5 parsecs) away from the Sun. The system has a visual apparent magnitude of 15.4, too faint to be seen with the naked eye. It consists of two red dwarfs that are separated by only 8 AU.