48 Cyg
HIP 101765; 48 Cyg
DoubleStar
Cyg
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
6.32
Spectral Type
B8IIIn
Star Color
Blue-white
(B-V -0.09)
Position & Identifiers
RA
20h 37m 31.8s
Dec
+31° 34' 21.0"
Constellation
Cyg
HR
7885
HIP
101765
Flamsteed
48 Cyg
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
182.7″
Companion Mag
6.5
Companion Sp
F0V
Position Angle
177°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
STFA 53
Eyepiece View
32x
Dawes: 1.9″
TFOV: 1.6°
Realistic = true angular size
Sep: 182.7″ · PA: 177° · 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
Double with HR 7887 at 181". Third component 12.9v at 71".
Survey Image
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