K2-72
K2-72 (also designated EPIC 206209135) is a cool red dwarf star of spectral class M2.7V 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.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 18m 29.25485s |
| Declination | −09° 36′ 44.3811″ |
| Characteristics | |
| Spectral type | M2.7 V |
| 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☉ |
| Surface gravity (log g) | 4.831963±0.152 cgs |
| Temperature | 3360+87 −86 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
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