13 Del
Observable Double Star
Fair (25/100)
Sep: 1.5", Companion: mag 8.2
HIP 102633; 13 Del
DoubleStar
Del
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
5.58
Spectral Type
A0V
Star Color
Blue-white
(B-V -0.02)
Distance
1630.8 ly
Position & Identifiers
RA
20h 47m 48.3s
Dec
+06° 00' 30.0"
Constellation
Del
HR
7953
HIP
102633
Flamsteed
13 Del
Double Cat
14293
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Visibility
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Multiple Star System
Separation
1.5″
Companion Mag
8.2
Position Angle
200°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
BU 65
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.5″ · PA: 200° · 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
ADS 14293. Uncertain which component varies. B-A changes by up to 3v.
0.005".
Survey Image
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