TOI-270
TOI-270, also known as L 231-32, is a red dwarf star 73.3 light-years (22.5 parsecs) away in the constellation Pictor. It has about 39% the mass and 38% the radius of the Sun, and a temperature of about 3,506 K (3,233 °C; 5,851 °F). TOI-270 hosts a system of three known exoplanets.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Pictor |
| Right ascension | 04h 33m 39.72001s |
| Declination | −51° 57′ 22.4354″ |
| Apparent magnitude (V) | 12.617 |
| Characteristics | |
| Evolutionary stage | Main sequence |
| Spectral type | M3.0V |
| Apparent magnitude (V) | 12.617±0.03 |
| Apparent magnitude (R) | 12.147±0.05 |
| Apparent magnitude (G) | 11.621±0.003 |
| Apparent magnitude (J) | 9.099±0.032 |
| Apparent magnitude (H) | 8.531±0.073 |
| Apparent magnitude (K) | 8.251±0.029 |
| Astrometry | |
| Radial velocity (Rv) | 25.90±0.37 km/s |
| Proper motion (μ) | RA: +83.082 mas/yr Dec.: −269.803 mas/yr |
| Parallax (π) | 44.4899 ± 0.0147 mas |
| Distance | 73.31 ± 0.02 ly (22.477 ± 0.007 pc) |
| Details | |
| Mass | 0.386±0.008 M☉ |
| Radius | 0.378±0.011 R☉ |
| Luminosity (bolometric) | 0.0194±0.0019 L☉ |
| Surface gravity (log g) | 4.872±0.026 cgs |
| Temperature | 3506±70 K |
| Metallicity [Fe/H] | −0.20±0.12 dex |
| Other designations | |
| Database references | |
| SIMBAD | data |
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