67 Oph
HIP 88192; 67 Oph
DoubleStar
Oph
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
3.97
Spectral Type
B5Ib
Star Color
White
(B-V 0.02)
Position & Identifiers
RA
18h 00m 38.7s
Dec
+02° 55' 54.0"
Constellation
Oph
HR
6714
HIP
88192
Flamsteed
67 Oph
Double Cat
10966
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Visibility
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Multiple Star System
Components
5
Component IDs
AC
Separation
6.6″
Companion Mag
13.7
Companion Sp
B2V
Position Angle
196°
Star Colors
A: White
B: Blue
Discoverer
BU 1124
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 6.6″ · PA: 196° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
Component B, 13.7v F? at 7", optical. AC fixed. C, 8.12V, -0.02(B-V), -0.57(U-B), B1V, vsini 130k/s.
Color excess E(B-V) = +0.12.
Sct OB2; Collinder 359.
ADS 10966C, -4.7k/s.
Survey Image
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