HATS-3
HATS-3 is an F-type main-sequence star 1,380 light-years (420 parsecs) away. Its surface temperature is 6351±76 K. HATS-3 is relatively depleted in its concentration of heavy elements, with a metallicity Fe/H index of −0.157±0.07, but is slightly younger than the Sun at an age of 3.2+0.6
−0.4 billion years.
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Capricornus |
Right ascension | 20h 49m 49.78530s |
Declination | −24° 25′ 43.5378″ |
Apparent magnitude (V) | 12.43 |
Characteristics | |
Evolutionary stage | main-sequence star |
Spectral type | F |
Astrometry | |
Radial velocity (Rv) | −22.07±0.83 km/s |
Proper motion (μ) | RA: 10.393 mas/yr Dec.: 15.478 mas/yr |
Parallax (π) | 2.3595 ± 0.0171 mas |
Distance | 1,380 ± 10 ly (424 ± 3 pc) |
Details | |
Mass | 1.210±0.040 M☉ |
Radius | 1.400±0.030 R☉ |
Surface gravity (log g) | 4.22±0.01 cgs |
Temperature | 6351±76 K |
Metallicity [Fe/H] | −0.157±0.070 dex |
Rotational velocity (v sin i) | 9.1±1.3 km/s |
Age | 3.20+0.60 −0.40 Gyr |
Other designations | |
Database references | |
SIMBAD | data |
A multiplicity survey in 2016 detected a candidate stellar companion to HATS-3, 3.671±0.016 arc-seconds away.
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