| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Monoceros |
| Right ascension | 08h 03m 28.66767s[1] |
| Declination | −01° 09′ 45.7581″[1] |
| Apparent magnitude (V) | 8.25[2] |
| Characteristics | |
| Spectral type | G5[3] |
| Astrometry | |
| Radial velocity (Rv) | 44.26±0.13[1] km/s |
| Proper motion (μ) | RA: −65.766±0.029 mas/yr[1] Dec.: −206.999±0.019 mas/yr[1] |
| Parallax (π) | 18.7661 ± 0.0312 mas[1] |
| Distance | 173.8 ± 0.3 ly (53.29 ± 0.09 pc) |
| Details | |
| Mass | 1.09 ± 0.02[4] M☉ |
| Radius | 1.13 ± 0.03[4] R☉ |
| Luminosity | 1.28 ± 0.01[4] L☉ |
| Surface gravity (log g) | 4.37 ± 0.03[4] cgs |
| Temperature | 5773 ± 55[4] K |
| Age | 4.1 ± 1.4[4] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 66428 is a G-type main sequence star located approximately 174 light-years away in the constellation of Monoceros. This star is similar to the Sun with an apparent magnitude of 8.25, an effective temperature of 5705 ± 27 K and a solar luminosity 1.28. Its absolute magnitude is 11.1 while its U-V color index is 0.71. It is considered an inactive star and it is metal-rich ([Fe/H] = 0.310).[2][3][5] This star has a precise mass of 1.14552 solar masses. This precision comes from the Corot mission that measured asteroseismology.
GaiaDR3 was invoked but never defined (see the help page).Butler2006 was invoked but never defined (see the help page).Kashyap2008 was invoked but never defined (see the help page).Bonfanti2015 was invoked but never defined (see the help page).Sousa2008 was invoked but never defined (see the help page).