Epsilon Scorpii

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Epsilon Scorpii
Observation data
Epoch J2000
Constellation
(pronunciation)		 Scorpius
Right ascension 16h 50m 09.8s
Declination -34° 17′ 36″
Apparent magnitude (V) 2.29
Characteristics
Spectral type K2 IIIb
U-B color index 1.27
B-V color index 1.15
Variable type ?
Astrometry
Radial velocity (Rv) -3 km/s
Proper motion (μ) RA: -611.83 mas/yr
Dec.: -255.87 mas/yr
Parallax (π) 49.85 ± 0.81 mas
Distance 65 ± 1 ly
(20.1 ± 0.3 pc)
Absolute magnitude (MV) 0.78
Other designations
Wei, 26 Scorpii, Gl 639.1, HR 6241, CD -34°11285, HD 151680, LHS 3244, GCTP 3823.00, SAO 208078, FK5 628, CPD P-34°6635, HIP 82396.

Epsilon Scorpii (ε Sco / ε Scorpii) is a star in the constellation Scorpius. It is rarely called Wei introduced by Patrick Moore[1]. The name Wěi (尾), the Tail, was originally given for a Chinese asterism or Xiù composed from the stars ε, μ1-2, ζ1-2, η,θ, ι, κ, υ, and λ Scorpii[2].


[edit] Notes

  1. ^ Moore, P., (1983) The Guinness Book of Astronomy: Facts & Feats, (2nd. ed.), Guinness Superlatives Limited, Middlesex, p.242.
  2. ^ Allen, R. H., (1899) Star-Names and Their Meanings, G. E. Stechert, New York, p.369.


[edit] See also

  • Wěi Xiù (尾宿): The 6th Chinese lunar mansion.
  • Mycon: fictional alien species in the computer game Star Control whose homeworld is Epsilon Scorpii
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