Tau3 Serpentis

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]

τ3 Serpentis
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[1] mas
Distanceapprox. 410 ly
(approx. 130 pc)
Absolute magnitude (MV)+0.78[3]
Details
Luminosity57[3] L
Other designations
τ3 Ser, 15 Serpentis, BD+18° 3044, FK5 3230, GC 20962, HD 139074, HIP 76337, HR 5795, SAO 101631, PPM 131527[1]
Database references
SIMBADdata

References

  1. * 15 Ser -- Star, database entry, SIMBAD. Accessed on line September 19, 2008.
  2. 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.
  3. 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.


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