Tau6 Serpentis, Latinized from τ6 Serpentis, is a G-type giant star in the constellation of Serpens, approximately 450 light-years from the Earth.[1] It has an apparent visual magnitude of approximately 6.000,[1] and is a member of the Ursa Major Stream.[2]
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Serpens |
| Right ascension | 15h 40m 59.1008s[1] |
| Declination | +16° 01′ 28.517″[1] |
| Apparent magnitude (V) | 6.000[1] |
| Characteristics | |
| Spectral type | G8III[1] |
| U−B color index | +0.61[2] |
| B−V color index | +0.90[2] |
| R−I color index | +0.46[2] |
| Astrometry | |
| Radial velocity (Rv) | 3.4 ± 0.9[1] km/s |
| Proper motion (μ) | RA: 22.16[1] mas/yr Dec.: −16.80[1] mas/yr |
| Parallax (π) | 7.24 ± 0.79 mas[1] |
| Distance | approx. 450 ly (approx. 140 pc) |
| Absolute magnitude (MV) | −0.33[3] |
| Details | |
| Radius | 11[4] R☉ |
| Luminosity | 150[3] L☉ |
| Metallicity [Fe/H] | −0.08±0.04[3] dex |
| Other designations | |
| Database references | |
| SIMBAD | data |