11 Aql
HIP 93203; 11 Aql
DoubleStar
Aql
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
5.23
Spectral Type
F8V
Star Color
Yellow
(B-V 0.53)
Distance
83.6 ly
Position & Identifiers
RA
18h 59m 05.7s
Dec
+13° 37' 21.0"
Constellation
Aql
HR
7172
HIP
93203
Flamsteed
11 Aql
Double Cat
11902
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
20.8″
Companion Mag
9.3
Position Angle
304°
Star Colors
A: Yellow
B: Red
Discoverer
STF2424
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 20.8″ · PA: 304° · 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
Both companions optical.
UMa stream.
Survey Image
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