Musica
18 Del
HIP 103527; 18 Del
DoubleStar
Delphinus
(Del)
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
5.48
Spectral Type
gG6
Star Color
Orange
(B-V 0.93)
Position & Identifiers
RA
20h 58m 25.9s
Dec
+10° 50' 21.0"
Constellation
Delphinus
(Del)
HR
8030
HIP
103527
Flamsteed
18 Del
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
197.5″
Companion Mag
9.9
Companion Sp
M4-
Position Angle
162°
Star Colors
A: Orange
B: Red
Discoverer
ENG 78
Eyepiece View
32x
Dawes: 1.9″
TFOV: 1.6°
Realistic = true angular size
Sep: 197.5″ · PA: 162° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
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 Fusion
Exoplanets
1 known planet
| Planet | Radius | Mass | Period | Distance |
|---|---|---|---|---|
| 18 Del b | 12.50R⊕ | 9.21M♃ | 2.7yr | 249ly |
Habitable Zone
Size & Mass Comparison
Survey Image
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