HIP 91237
HIP 91237
DoubleStar
Oph
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.45
Spectral Type
F3V
Star Color
Yellow-white
(B-V 0.37)
Distance
101.9 ly
Position & Identifiers
RA
18h 36m 39.1s
Dec
+06° 40' 19.0"
Constellation
Oph
HR
6987
HIP
91237
Double Cat
11496
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Visibility
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Multiple Star System
Components
4
Component IDs
AC
Separation
35.9″
Companion Mag
14.4
Position Angle
337°
Star Colors
A: Yellow-white
Discoverer
J 99
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 35.9″ · PA: 337° · 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. 0.141"; both ADS companions optical.
Survey Image
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