31 Aql
Observable Double Star
Good (54/100)
Sep: 108.3", Companion: mag 8.7
HIP 95447; 31 Aql
DoubleStar
Aql
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
5.16
Spectral Type
G8IVHdel 1
Star Color
Orange
(B-V 0.77)
Distance
55.3 ly
Position & Identifiers
RA
19h 24m 58.2s
Dec
+11° 56' 40.0"
Constellation
Aql
HR
7373
HIP
95447
Flamsteed
31 Aql
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
108.3″
Companion Mag
8.7
Position Angle
281°
Star Colors
A: Orange
B: Red
Discoverer
STT 588
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 108.3″ · PA: 281° · 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
Unresolved by speckle interferometry 1986.46.
61 Cyg group.
Survey Image
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