GJ 3470
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Cancer |
| Right ascension | 07h 59m 05.83953s |
| Declination | +15° 23′ 29.2361″ |
| Apparent magnitude (V) | 12.330 |
| Characteristics | |
| Evolutionary stage | Main sequence red dwarf |
| Spectral type | M2.0Ve |
| Apparent magnitude (B) | 13.5 |
| Apparent magnitude (V) | 12.330 |
| Apparent magnitude (R) | 11.934 |
| Apparent magnitude (J) | 8.794 |
| Apparent magnitude (H) | 8.206 |
| Apparent magnitude (K) | 7.989 |
| B−V color index | 1.17 |
| V−R color index | 0.396 |
| J−H color index | 0.588 |
| J−K color index | 0.217 |
| Astrometry | |
| Radial velocity (Rv) | 25.95±0.25 km/s |
| Proper motion (μ) | RA: -185.706 mas/yr Dec.: -56.994 mas/yr |
| Parallax (π) | 34.0172±0.0255 mas |
| Distance | 95.88 ± 0.07 ly (29.40 ± 0.02 pc) |
| Details | |
| Mass | 0.539+0.047 −0.043 M☉ |
| Radius | 0.547±0.018 R☉ |
| Luminosity (bolometric) | 0.029±0.002 L☉ |
| Surface gravity (log g) | 4.695±0.046 cgs |
| Temperature | 3652±50 K |
| Metallicity [Fe/H] | 0.20±0.10 dex |
| Rotation | 21.54±0.49 d |
| Age | 0.3-3 Gyr |
| Other designations | |
| Kaewkosin, GJ 3470, LP 424-4, NLTT 18739, PM J07590+1523, TIC 19028197, 2MASS J07590587+1523294 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
GJ 3470, proper name Kaewkosin, is a red dwarf star located in the constellation of Cancer, 96 light-years (29 parsecs) away from Earth. With a faint apparent magnitude of 12.3, it is not visible to the naked eye. It hosts one known exoplanet, GJ 3470 b.