HAT-P-30
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.
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 | |
Database references | |
SIMBAD | data |
The faint stellar companion was detected in 2013 at a projected separation of 3.842±0.007″.
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