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.

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
Distance679 ± 1 ly
(208.2 ± 0.4 pc)
Details
Mass1.175±0.025 M
Radius1.314±0.015 R
Luminosity2.37±0.01 L
Surface gravity (log g)4.270±0.007 cgs
Temperature6,252±100 K
Metallicity [Fe/H]−0.079±0.079 dex
Rotational velocity (v sin i)3.6±0.4 km/s
Age4.1±0.6 Gyr
Other designations
BD+06 1909, TOI-490, WASP-51, GSC 00208-00722, 2MASS J08154797+0550121
Database references
SIMBADdata

The faint stellar companion was detected in 2013 at a projected separation of 3.842±0.007″.

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