U Aql
Observable Variable Star
Good (54/100)
Range: 6.1 - 6.9, Period: 7.0d
HIP 95820
VariableStar
Aql
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
6.61
Spectral Type
F7-G1I-II
Star Color
Orange
(B-V 1.10)
Distance
250.9 ly
Position & Identifiers
RA
19h 29m 21.5s
Dec
-07° 02' 38.0"
Constellation
Aql
HR
7402
HIP
95820
Variable ID
U Aql
Double Cat
12503
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Visibility
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Comparison Stars for U Aql (6.1–6.9)
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Components
3
Component IDs
AB
Separation
1.6″
Companion Mag
12.5
Companion Sp
A3-4V
Position Angle
225°
Star Colors
A: Orange
B: White
Discoverer
KUI 91
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.6″ · PA: 225° · 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 12503A, CDelta 6.08 - 6.86V, 7.02393d. Period changes.
AB fixed. C, 7v at 2", binary.
Also classified F5I-II-G1.
Survey Image
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