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Hipparcos Star Catalog Entry

Identity
Name:Rasalhague, alpha Ophiuchi
Hipparcos catalog ID:86032
Other star catalog entries:HD 159561
SAO 102932
BD B+12 3252
 
Appearance
Visual magnitude:2.08 (source: ground based)
Spectral type:A5III
 
Position and motion (Epoch J1991.25) in J2000 reference frame
Right ascension17h 34m 56.00477s (+/-0.00005s)
Declination12° 33' 38.0730" (+/-0.0007")
Parallax:69.84 (+/-0.88) mas
Derived distance:46.7 light-years
Proper motion in R.A.:110.08 (+/-1.02) mas/year
Proper motion in declination:-222.61 (+/-0.89) mas/year
Constellation:Ophiuchus
 

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