18 Sco
HIP 79672; 18 Sco
DoubleStar
Sco
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.50
Spectral Type
G2Va
Star Color
Yellow
(B-V 0.65)
Distance
52.6 ly
Position & Identifiers
RA
16h 15m 37.3s
Dec
-08° 22' 10.0"
Constellation
Sco
HR
6060
HIP
79672
Flamsteed
18 Sco
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Visibility
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Multiple Star System
Separation
49.7″
Companion Mag
13.3
Position Angle
309°
Star Colors
A: Yellow
Discoverer
BUP 165
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 49.7″ · PA: 309° · 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
Optical.
Survey Image
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