HIP 91159
HIP 91159
DoubleStar
Her
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
6.21
Spectral Type
G2V+G2V
Star Color
Yellow
(B-V 0.53)
Distance
163.1 ly
Position & Identifiers
RA
18h 35m 53.2s
Dec
+16° 58' 32.0"
Constellation
Her
HR
6981
HIP
91159
Double Cat
11483
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
1.6″
Companion Mag
7.1
Companion Sp
M3.5V
Position Angle
145°
Star Colors
A: Yellow
B: Red
Discoverer
STT 358
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.6″ · PA: 145° · 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 Notes
AB 6.8 G2V, 7.0 G2V, 292y, a = 1.358", or 3083y, a = 6.7811".
AB also classified F8V.
0.024".
Survey Image
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