Identity |
Name: | xi Ophiuchi |
Hipparcos catalog ID: | 84893 |
Other star catalog entries: | HD 156897 SAO 185296 BD B-20 4731
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Appearance |
Visual magnitude: | 4.39 (source: ground based) |
Spectral type: | F2/F3V |
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Position and motion (Epoch J1991.25) in J2000 reference frame |
Right ascension | 17h 21m 0.21022s (+/-0.00002s) |
Declination | -21° 6' 44.7651" (+/-0.0002") |
Parallax: | 57.62 (+/-0.26) mas |
Derived distance: | 56.6 light-years |
Proper motion in R.A.: | 263.84 (+/-0.33) mas/year |
Proper motion in declination: | -205.85 (+/-0.21) mas/year |
Constellation: | Ophiuchus | |