Delta Aql
HIP 95501; Delta Aql; 30 Aql
DoubleStar
Aql
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
3.36
Variable Type
Delta Scuti (Pulsating)
Spectral Type
F1IV-V(n)
Star Color
Yellow-white
(B-V 0.32)
Distance
50.1 ly
Position & Identifiers
RA
19h 25m 29.9s
Dec
+03° 06' 53.0"
Constellation
Aql
HR
7377
HIP
95501
Bayer
Delta
Flamsteed
30 Aql
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
137.0″
Companion Mag
12.8
Position Angle
266°
Star Colors
A: Yellow-white
Discoverer
BUP 190
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 137.0″ · PA: 266° · 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
Delta Sct? Proper motion slightly variable?
Component A astrometric binary, A* 3.36 F0IV, 3.422y, a = 0.058"; unresolved by speckle interferometry.
0.1571d.
Survey Image
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