Psi7 Aurigae
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- For other star systems with this Bayer designation, see Psi Aurigae.
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| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Auriga |
| Right ascension | 06h 50m 45.9444s |
| Declination | +41° 46′ 52.428″ |
| Apparent magnitude (V) | 4.988 |
| Characteristics | |
| Spectral type | K3III |
| U−B color index | 1.35 |
| B−V color index | 1.27 |
| R−I color index | 0.46 |
| Astrometry | |
| Radial velocity (Rv) | 60.8 ± 2 km/s |
| Proper motion (μ) | RA: -23.94 ± 0.9 mas/yr Dec.: -138.02 ± 0.6 mas/yr |
| Parallax (π) | 8.95 ± 0.79 mas |
| Distance | 360 ± 30 ly (112 ± 10 pc) |
| Absolute magnitude (MV) | 6.26 |
| Details | |
| Mass | 0.8 M☉ |
| Radius | 0.9 R☉ |
| Luminosity | 0.4 L☉ |
| Temperature | 3,500–5,000 K |
| Rotational velocity (v sin i) | < 19 Km/s km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
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| Database references | |
| SIMBAD | data |
Psi7 Aurigae (ψ7 Aur, ψ7 Aurigae) is a double star in the constellation Auriga. It is approximately 364 light-years from Earth.
The main component is an orange K-type giant with an apparent magnitude of +4.99. Its two unrelated companions are a 10th magnitude star 40.9 arcseconds away and a 12th magnitude star 118 arcseconds from the primary.
[edit] References
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