Xi Oph
Good (56/100)
HIP 84893; Xi Oph; 40 Oph
DoubleStar
Ophiuchus
(Oph)
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.39
Spectral Type
F1III-IV
Star Color
Yellow-white
(B-V 0.39)
Distance
53 ly
Position & Identifiers
RA
17h 21m 00.2s
Dec
-21° 06' 46.0"
Constellation
Ophiuchus
(Oph)
HR
6445
HIP
84893
Bayer
Xi
Flamsteed
40 Oph
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Visibility
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Multiple Star System
Separation
4.1″
Companion Mag
8.9
Position Angle
26°
Star Colors
A: Yellow-white
B: Orange
Discoverer
DON 832
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 4.1″ · PA: 26° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
Size Comparison
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