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Tau3 Serpentis 
Summary
Tau3 Serpentis, Latinized from τ3 Serpentis, is a G-type giant star in the constellation of Serpens. It is approximately 410 light-years from Earth.[1] It has an apparent visual magnitude of approximately 6.108.[1]
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Serpens |
| Right ascension | 15h 35m 33.2302s[1] |
| Declination | +17° 39′ 19.999″[1] |
| Apparent magnitude (V) | 6.108[1] |
| Characteristics | |
| Spectral type | G8III:[1] |
| B−V color index | +0.94[2] |
| Astrometry | |
| Radial velocity (Rv) | −22.3 ± 2[1] km/s |
| Proper motion (μ) | RA: −77.08[1] mas/yr Dec.: −13.25[1] mas/yr |
| Parallax (π) | 7.87 ± 0.87 mas[1] |
| Distance | approx. 410 ly (approx. 130 pc) |
| Absolute magnitude (MV) | +0.78[3] |
| Details | |
| Luminosity | 57[3] L☉ |
| Other designations | |
| Database references | |
| SIMBAD | data |
References edit
- ^ a b c d e f g h i j k * 15 Ser -- Star, database entry, SIMBAD. Accessed on line September 19, 2008.
- ^ HR 5795, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line September 19, 2008.
- ^ a b Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters, 38 (5): 331, arXiv:1108.4971, Bibcode:2012AstL...38..331A, doi:10.1134/S1063773712050015, S2CID 119257644.