K2-25
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Taurus |
| Right ascension | 04h 13m 05.6131s |
| Declination | +15° 14′ 52.018″ |
| Apparent magnitude (V) | 15.881 |
| Characteristics | |
| Spectral type | M4.5 V |
| Apparent magnitude (J) | 11.303(21) |
| Apparent magnitude (H) | 10.732(20) |
| Apparent magnitude (K) | 10.444(19) |
| Variable type | Planetary transit |
| Astrometry | |
| Radial velocity (Rv) | 38.64(15) km/s |
| Proper motion (μ) | RA: 122.450(38) mas/yr Dec.: −18.603(26) mas/yr |
| Parallax (π) | 22.3572±0.0308 mas |
| Distance | 145.9 ± 0.2 ly (44.73 ± 0.06 pc) |
| Details | |
| Mass | 0.2634(77) M☉ |
| Radius | 0.2932(93) R☉ |
| Luminosity | 0.00816(29) L☉ |
| Temperature | 3207(58) K |
| Metallicity [Fe/H] | 0.15(3) dex |
| Rotation | 1.87708(66) d |
| Rotational velocity (v sin i) | 7.71(29) km/s |
| Age | 650(70) Myr |
| Other designations | |
| vA 50, HAN 87, Gaia DR3 3311804515502788352, EPIC 210490365, 2MASS J04130560+1514520 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
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K2-25 is a young red dwarf star located in the Hyades cluster. There is a single known Neptune-sized planet in a 3.5 day orbit.