HD 89307
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Leo |
| Right ascension | 10h 18m 21.28771s |
| Declination | +12° 37′ 15.9909″ |
| Apparent magnitude (V) | 7.02 |
| Characteristics | |
| Spectral type | G0V |
| B−V color index | 0.594±0.003 |
| Astrometry | |
| Radial velocity (Rv) | +23.27±0.13 km/s |
| Proper motion (μ) | RA: −272.659 mas/yr Dec.: −39.333 mas/yr |
| Parallax (π) | 31.4134±0.0226 mas |
| Distance | 103.83 ± 0.07 ly (31.83 ± 0.02 pc) |
| Absolute magnitude (MV) | 4.57 |
| Details | |
| Mass | 1.028±0.04 M☉ |
| Radius | 1.08+0.01 −0.02 R☉ |
| Luminosity | 1.354±0.003 L☉ |
| Surface gravity (log g) | 4.414±0.10 cgs |
| Temperature | 5,950±44 K |
| Metallicity [Fe/H] | −0.15±0.02 dex |
| Rotation | 23.7 d |
| Rotational velocity (v sin i) | 3.21±0.50 km/s |
| Age | 5.3+2.7 −2.9 Gyr 6.76 Gyr |
| Other designations | |
| BD+13 2237, GC 14140, HD 1835, HIP 50473, SAO 99049, PPM 127289 | |
| Database references | |
| SIMBAD | data |
HD 89307 is a star in the equatorial constellation of Leo. It is too faint to be viewed with the naked eye except under ideal conditions, having an apparent visual magnitude of 7.02. The star is located at a distance of 104 light-years (32 parsecs) from the Sun based on parallax, and is drifting further away with a radial velocity of +23 km/s.
This is an ordinary G-type main-sequence star with a stellar classification of G0V. It is chromospherically inactive and appears older than the Sun with a rotation period of 23.7 days. The star has about the same mass as the Sun and is 8% larger. It is radiating 1.35 times the Sun's luminosity from its photosphere at an effective temperature of 5,950 K.