HIP 81939
HIP 81939
DoubleStar
Sco
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
6.58
Spectral Type
A2V
Star Color
White
(B-V 0.10)
Distance
271.8 ly
Position & Identifiers
RA
16h 44m 17.3s
Dec
-27° 27' 22.0"
Constellation
Sco
HR
6216
HIP
81939
Double Cat
10173
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
2.4″
Companion Mag
10.2
Position Angle
20°
Star Colors
A: White
B: Yellow
Discoverer
BU 1116
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.4″ · PA: 20° · 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
E?, amp. 0.03V.
ADS 10173AB, binary.
Survey Image
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