Iota Oph
HIP 82673; Iota Oph; 25 Oph
DoubleStar
Ophiuchus
(Oph)
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
4.38
Spectral Type
B8V
Star Color
Blue-white
(B-V -0.08)
Distance
112 ly
Position & Identifiers
RA
16h 54m 00.5s
Dec
+10° 09' 55.0"
Constellation
Ophiuchus
(Oph)
HR
6281
HIP
82673
Bayer
Iota
Flamsteed
25 Oph
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Visibility
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Multiple Star System
Separation
0.4″
Companion Mag
8.7
Position Angle
76°
Star Colors
A: Blue-white
B: Yellow
Discoverer
DCH 120
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.4″ · PA: 76° · N up, E left
Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
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