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Location: Unspecified
(49.9514°N, 15.8170°E)
Time: 15:43:15
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Hipparcos Star Catalog Entry

Identity
Name:tau Herculis
Hipparcos catalog ID:79992
Other star catalog entries:HD 147394
SAO 46028
BD B+46 2169
 
Appearance
Visual magnitude:3.91 (source: Hipparcos)
Spectral type:B5IV
 
Position and motion (Epoch J1991.25) in J2000 reference frame
Right ascension16h 19m 44.44792s (+/-0.00001s)
Declination46° 18' 47.7756" (+/-0.0001")
Parallax:10.61 (+/-0.11) mas
Derived distance:307 light-years
Proper motion in R.A.:-13.33 (+/-0.1) mas/year
Proper motion in declination:38.48 (+/-0.1) mas/year
Constellation:Hercules
 

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