HIP 107773
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Indus |
| Right ascension | 21h 50m 0.12s |
| Declination | −64° 42′ 45.1″ |
| Apparent magnitude (V) | 5.6 |
| Characteristics | |
| Evolutionary stage | Horizontal branch |
| Spectral type | K0III |
| B−V color index | 0.99 |
| Astrometry | |
| Radial velocity (Rv) | −0.1701±0.1237 km/s |
| Proper motion (μ) | RA: −0.7032±0.0807 mas/yr Dec.: −37.4432±0.0893 mas/yr |
| Parallax (π) | 9.5919 mas |
| Distance | 343.9±2.6 ly (105.5±0.8 pc) |
| Absolute magnitude (MV) | 0.54 |
| Details | |
| Mass | 2.42±0.27 M☉ |
| Radius | 11.6±1.4 R☉ |
| Luminosity | 74.13+1.12 −1.15 L☉ |
| Surface gravity (log g) | 2.6±0.2 cgs |
| Temperature | 4945±100 K |
| Age | >1 Gyr |
| Other designations | |
| 2MASS J21500013-6442451, FK5 3742, HD 207229, HR 8331, IRAS 21461-6456, PPM 365403, SAO 255080, TIC 406320735, TYC 9119-2234-1 | |
| Database references | |
| SIMBAD | data |
HIP 107773 is a star located 344 light years from Earth in the southern constellation Indus. It is classified as a horizontal branch K-type giant star, having a spectral type K0III and a radius of 11.6 R☉. With an apparent magnitude of 5.6, the star can be faintly seen with the naked eye. It has an exoplanet, HIP 107773 b, a gas giant orbiting it at a distance of 0.72 astronomical units (108,000,000 km), about the same distance from Venus to the Sun.