HIP 90676
HIP 90676
DoubleStar
Oph
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
6.69
Spectral Type
B2V
Star Color
White
(B-V 0.11)
Position & Identifiers
RA
18h 30m 05.1s
Dec
+04° 03' 55.0"
Constellation
Oph
HR
6941
HIP
90676
Double Cat
11399
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Visibility
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Multiple Star System
Components
5
Component IDs
AB
Separation
19.8″
Companion Mag
11.3
Position Angle
172°
Star Colors
A: White
Discoverer
STF2322
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 19.8″ · PA: 172° · 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
Primary is speckle binary, sep. 0.149". Component B, 11.8v, A7Vp; C, 12.8v, F5V, optical; D, 12.9v, F8V. A fifth | companion at 0.149" from A discovered by speckle interferometry.
Survey Image
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