HIP 91139
HIP 91139
DoubleStar
Her
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
5.61
Spectral Type
G9III+G7III
Star Color
Orange
(B-V 1.00)
Distance
544 ly
Position & Identifiers
RA
18h 35m 30.4s
Dec
+23° 36' 20.0"
Constellation
Her
HR
6980
HIP
91139
Double Cat
11479
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Visibility
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Multiple Star System
Separation
0.8″
Companion Mag
6.6
Position Angle
4°
Star Colors
A: Orange
Discoverer
STT 359
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.8″ · PA: 4° · N up, E left
Unresolved · 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 Fusion
Stellar Notes
6.3 G9III, 6.5 G7III, 210.9y, a = 0.416" or 190.8y, a = 0.418". Combined mag., colors.
Survey Image
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