| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Dorado[1] |
| Right ascension | 04h50m 46.57013s[2] |
| Declination | −60° 54′ 19.6171″[2] |
| Apparent magnitude (V) | 10.322[3] |
| Characteristics | |
| Evolutionary stage | Subgiant |
| Spectral type | G0IV[3] |
| Astrometry | |
| Radial velocity (Rv) | 1.24±0.30[2] km/s |
| Proper motion (μ) | RA: -3.605 mas/yr[2] Dec.: -2.699 mas/yr[2] |
| Parallax (π) | 3.8031 ± 0.0141 mas[2] |
| Distance | 858 ± 3 ly (262.9 ± 1.0 pc) |
| Details[3] | |
| Mass | 1.32±0.06 M☉ |
| Radius | 1.94±0.10 R☉ |
| Surface gravity (log g) | 3.86±0.14 cgs |
| Temperature | 5907±150 K |
| Metallicity [Fe/H] | 0.10±0.10 dex |
| Rotational velocity (v sin i) | 8.2±0.9 km/s |
| Age | 3.73±0.62 Gyr |
| Other designations | |
CD−61 970, CPD−61 371, PPM 354364, TOI-813, TIC 55525572, TYC 8876-1059-1, 2MASS J04504658-6054196[4] | |
| Database references | |
| SIMBAD | data |
TOI-813 (also known as TIC 55525572[5] and 2MASS J04504658-6054196) is a bright subgiant G-type star[6] located 858 light-years (263 parsecs) away from planet Earth. It is too faint to be seen with the naked eye. TOI-813 has a mass of 1.32 solar masses, a radius of 1.95 solar radii and a luminosity of 4.3 times the solar luminosity.[7]
The star has one known exoplanet orbiting it named TOI-813 b, a Neptune-like gas giant.[7]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | — | 0.423+0.031 −0.037 |
83.8911+0.0027 −0.0031 |
0 | 89.64+0.24 −0.27° |
6.71±0.38 R🜨 |
