HAT-P-30
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Hydra |
| Right ascension | 08h 15m 47.9802s |
| Declination | +05° 50′ 12.351″ |
| Apparent magnitude (V) | 10.35 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | G0 |
| Astrometry | |
| Radial velocity (Rv) | 44.14 km/s |
| Proper motion (μ) | RA: −17.231 mas/yr Dec.: +23.875 mas/yr |
| Parallax (π) | 4.8037±0.0099 mas |
| Distance | 679 ± 1 ly (208.2 ± 0.4 pc) |
| Details | |
| Mass | 1.175±0.025 M☉ |
| Radius | 1.314±0.015 R☉ |
| Luminosity | 2.37±0.01 L☉ |
| Surface gravity (log g) | 4.270±0.007 cgs |
| Temperature | 6,252±100 K |
| Metallicity [Fe/H] | −0.079±0.079 dex |
| Rotational velocity (v sin i) | 3.6±0.4 km/s |
| Age | 4.1±0.6 Gyr |
| Other designations | |
| BD+06 1909, TOI-490, WASP-51, GSC 00208-00722, 2MASS J08154797+0550121 | |
| Database references | |
| SIMBAD | data |
HAT-P-30, also known as WASP-51, is the primary of a binary star system about 700 light-years away. It is a G-type main-sequence star. HAT-P-30 has a similar concentration of heavy elements compared to the Sun.
The faint stellar companion was detected in 2013 at a projected separation of 3.842±0.007″.