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Location: Ostrava
(49.8330°N, 18.2830°E)
Time: 04:39:55
(UTC+02:00)
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Hipparcos Star Catalog Entry

Identity
Name:tau Eridani
Hipparcos catalog ID:15474
Other star catalog entries:HD 20720
SAO 168460
BD B-22 584
CoD C-22 1154
 
Appearance
Visual magnitude:3.7 (source: Hipparcos)
Spectral type:M3/M4III
 
Position and motion (Epoch J1991.25) in J2000 reference frame
Right ascension3h 19m 30.96965s (+/-0.00002s)
Declination-21° 45' 28.5930" (+/-0.0003")
Parallax:10.71 (+/-0.54) mas
Derived distance:305 light-years
Proper motion in R.A.:51.89 (+/-0.46) mas/year
Proper motion in declination:32.92 (+/-0.56) mas/year
Constellation:Eridanus
 

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