K2-72
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 18m 29.25485s |
| Declination | −09° 36′ 44.3811″ |
| Apparent magnitude (V) | 15.37 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | M2V |
| Astrometry | |
| Radial velocity (Rv) | −42.92±3.35 km/s |
| Proper motion (μ) | RA: 195.834 mas/yr Dec.: 74.259 mas/yr |
| Parallax (π) | 15.0346±0.0277 mas |
| Distance | 216.9 ± 0.4 ly (66.5 ± 0.1 pc) |
| Details | |
| Mass | 0.27+0.08 −0.09 M☉ |
| Radius | 0.33±0.03 R☉ |
| Luminosity | 0.134 L☉ |
| Surface gravity (log g) | 4.83±0.14 cgs |
| Temperature | 3360+87 −86 K |
| Rotational velocity (v sin i) | 6.07 km/s |
| Age | 1.0 Gyr |
| Other designations | |
| EPIC 206209135, 2MASS J22182923-0936444 | |
| Database references | |
| SIMBAD | data |
K2-72 (also designated EPIC 206209135) is a cool red dwarf star of spectral class M2V located about 217 light-years (67 parsecs) away from the Earth in the constellation of Aquarius. It is known to host four planets, all similar in size to Earth, with one of them residing within the habitable zone.