Psi5 Aurigae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 06h 46m 44.337s |
| Declination | +43° 34′ 38.73″ |
| Apparent magnitude (V) | 5.200±0.031 |
| Characteristics | |
| Spectral type | G0 V |
| U−B color index | +0.06 |
| B−V color index | +0.573±0.015 |
| Astrometry | |
| Radial velocity (Rv) | −24 km/s |
| Proper motion (μ) | RA: −2.705 mas/yr Dec.: +164.523 mas/yr |
| Parallax (π) | 60.2024±0.0865 mas |
| Distance | 54.18 ± 0.08 ly (16.61 ± 0.02 pc) |
| Absolute magnitude (MV) | 4.13 |
| Details | |
| Mass | 1.17±0.04 M☉ |
| Radius | 1.18+0.14 −0.02 R☉ |
| Luminosity | 1.752 L☉ |
| Surface gravity (log g) | 4.35±0.03 cgs |
| Temperature | 6,086±50 K |
| Metallicity [Fe/H] | +0.09±0.09 dex |
| Rotational velocity (v sin i) | 5.03 km/s |
| Age | 3.2 Gyr |
| Other designations | |
| ψ5 Aurigae, 56 Aurigae, BD+43°1595, FK5 255, GC 8836, GJ 245, HD 48682, HIP 32480, HR 2483, SAO 41330, PPM 49322, ADS 5425 | |
| Database references | |
| SIMBAD | data |
Psi5 Aurigae is a star in the northern constellation of Auriga. Its name is a Bayer designation that is Latinized from ψ5 Aurigae, and abbreviated Psi5 Aur or ψ5 Aur. This star is faintly visible to the naked eye with an apparent visual magnitude of 5.25. Based upon parallax measurements, this star is 54.2 light-years (16.6 parsecs) distant from Earth. It is drifting closer to the Sun with a radial velocity of −24 km/s.
This is an ordinary, Sun-like star with an orbiting debris disk. No exoplanetary companions have yet been discovered.