ξ-Oph (Star)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.

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From South El Monte , ξ-Oph will become visible at around 20:40 (PDT), 34° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 01:32.

Name ξ-Oph
Object type Star
Other names
ξ-Oph
Xi Ophiuchi
40-Oph
40 Ophiuchi
HR 6445[1]
HD 156897
HIP 84893[3]
Position
Right ascension:17h21m00s [2]
Declination:−21°06'44" [2]
Constellation:Ophiuchus
Magnitude:4.39 (V) [2]
Distance:17.4 parsec
56.6 lightyrs [3]
B-V Color (mag):0.39
Proper motion (speed):334.6 mas/yr[3]
Proper motion (pos ang):128.0°
Derived quantities
Absolute mag (V):3.19

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