HATS-3
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Capricornus |
| Right ascension | 20h 49m 49.78530s |
| Declination | −24° 25′ 43.5378″ |
| Apparent magnitude (V) | 12.4 |
| Characteristics | |
| Evolutionary stage | main sequence |
| 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☉ |
| Luminosity | 2.3 L☉ |
| 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 | |
| HATS-3, TOI-103, TIC 336732616, TYC 6926-454-1, GSC 06926-00454, 2MASS J20494978-2425436 | |
| Database references | |
| SIMBAD | data |
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.
A multiplicity survey in 2016 detected a candidate stellar companion to HATS-3, 3.671±0.016 arc-seconds away.