Tau5 Serpentis

For other stars with this Bayer designation, see Tau Serpentis.
τ5 Serpentis
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Serpens
Right ascension 15h 36m 29.2391s[1]
Declination +16° 07′ 08.705″[1]
Apparent magnitude (V) 5.938[1]
Characteristics
Spectral type F3V[1]
U−B color index +0.04[2]
B−V color index +0.29[2]
Astrometry
Radial velocity (Rv)−2 ± 5[1] km/s
Proper motion (μ) RA: 71.54[1] mas/yr
Dec.: −5.54[1] mas/yr
Parallax (π)20.40 ± 0.81[1] mas
Distance160 ± 6 ly
(49 ± 2 pc)
Absolute magnitude (MV)2.49[3]
Details
Mass1.52
(1.47 to 1.58)[4] M☉
Temperature6900[4] K
Metallicity[Fe/H] = −0.20[4]
Age(1.6 ± 0.1) × 109  [4] years
Other designations
τ5 Ser, Tau5 Serpentis, Tau5 Ser, 18 Serpentis, 18 Ser, BD+16 2807, GC 20985, HD 139225, HIP 76424, HR 5804, PPM 131544, SAO 101642.[1]
Database references
SIMBADdata

Tau5 Serpentis (Tau5 Ser, τ5 Serpentis, τ5 Ser) is a F-type main sequence star in the constellation of Serpens, approximately 160 light-years from Earth.[1] It has an apparent visual magnitude of approximately 5.938.[1]

References

  1. 1 2 3 4 5 6 7 8 9 10 11 * 18 Ser -- Star, database entry, SIMBAD. Accessed on line September 19, 2008.
  2. 1 2 HR 5804, 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. ↑ From apparent magnitude and parallax.
  4. 1 2 3 4 HD 139225, database entry, Geneva-Copenhagen Survey of the Solar neighbourhood, J. Holmberg et al., 2007, CDS ID V/117A. Accessed on line November 19, 2008.
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