HIP 81687
HIP 81687
DoubleStar
Oph
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
6.24
Spectral Type
A7III
Star Color
Yellow-white
(B-V 0.30)
Position & Identifiers
RA
16h 41m 11.5s
Dec
-01° 00' 02.0"
Constellation
Oph
HR
6201
HIP
81687
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Visibility
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Multiple Star System
Separation
0.8″
Companion Mag
9.6
Position Angle
64°
Star Colors
A: Yellow-white
B: Orange
Discoverer
HDS2367
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.8″ · PA: 64° · 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
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Survey Image
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