49 Cyg
Observable Double Star
Good (52/100)
Sep: 2.8", Companion: mag 8.1
HIP 102066; 49 Cyg
DoubleStar
Cyg
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.51
Spectral Type
G8IIb
Star Color
Orange
(B-V 0.88)
Distance
815.4 ly
Position & Identifiers
RA
20h 41m 02.6s
Dec
+32° 18' 26.0"
Constellation
Cyg
HR
7921
HIP
102066
Flamsteed
49 Cyg
Double Cat
14158
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
2.8″
Companion Mag
8.1
Position Angle
46°
Star Colors
A: Orange
Discoverer
STF2716
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.8″ · PA: 46° · N up, E left
At limit · 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
AB binary.
ADS 14158B, Sp. A. Unresolved by speckle interferometry 1986.45.
Survey Image
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