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Location: Theydon Bois
(51.6750°N, 0.1050°E)
Time: 01:25:13
(UTC+01:00)
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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 56.00487s (+/-0.00006s)
Declination12° 33' 38.0733" (+/-0.0007")
Parallax:67.13 (+/-1.06) mas
Derived distance:48.6 light-years
Proper motion in R.A.:108.07 (+/-0.87) mas/year
Proper motion in declination:-221.57 (+/-0.8) mas/year
Constellation:Ophiuchus
 

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