HIP 91523
HIP 91523
DoubleStar
Oph
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
6.28
Spectral Type
G8III
Star Color
Orange
(B-V 0.96)
Position & Identifiers
RA
18h 39m 51.6s
Dec
+07° 21' 30.0"
Constellation
Oph
HR
7010
HIP
91523
Double Cat
11555
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
21.7″
Companion Mag
11.7
Position Angle
127°
Star Colors
A: Orange
Discoverer
STF2355
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 21.7″ · PA: 127° · 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
Companions probably optical. C at 108" may be brighter than B.
Survey Image
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