HD 44219
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Monoceros |
| Right ascension | 06h 20m 14.32321s |
| Declination | −10° 43′ 30.0310″ |
| Apparent magnitude (V) | 7.69 |
| Characteristics | |
| Spectral type | G3V |
| Apparent magnitude (B) | 8.377 |
| Apparent magnitude (J) | 6.509±0.029 |
| Apparent magnitude (H) | 6.215±0.038 |
| Apparent magnitude (K) | 6.115±0.017 |
| B−V color index | 0.687±0.007 |
| Astrometry | |
| Radial velocity (Rv) | −12.17±0.25 km/s |
| Proper motion (μ) | RA: 72.349 mas/yr Dec.: −16.568 mas/yr |
| Parallax (π) | 18.8732±0.0638 mas |
| Distance | 172.8 ± 0.6 ly (53.0 ± 0.2 pc) |
| Absolute magnitude (MV) | 4.18 |
| Details | |
| Mass | 1.01±0.01 M☉ |
| Radius | 1.37±0.03 R☉ |
| Luminosity | 1.83±0.01 L☉ |
| Surface gravity (log g) | 4.17±0.02 cgs |
| Temperature | 5,749±45 K |
| Metallicity [Fe/H] | 0.04±0.01 dex |
| Rotational velocity (v sin i) | 1.524 km/s |
| Age | 5.40 9.6±0.7 Gyr |
| Other designations | |
| BD−10°1479, HD 44219, HIP 30114, SAO 151367, PPM 217031 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
HD 44219 is a solar-type star with an exoplanetary companion in the equatorial constellation of Monoceros. It has an apparent visual magnitude of 7.69, making it an 8th magnitude star that is too faint to be readily visible to the naked eye. The system is located at a distance of 173 light-years from the Sun based on parallax measurements, but is drifting closer with a radial velocity of −12 km/s.