Deneb el Okab
HIP 93747; Zeta Aql; 17 Aql
HIP 93747; Zeta Aql; 17 Aql
DoubleStar
Aql
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
2.99
Spectral Type
A1V
Star Color
White
(B-V 0.01)
Temperature
8519 K
Radius
203.0 R☉
Distance
83.0 ly
Position & Identifiers
RA
19h 05m 24.6s
Dec
+13° 51' 48.0"
Constellation
Aql
HR
7235
HIP
93747
Bayer
Zeta
Flamsteed
17 Aql
Double Cat
12026
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Visibility
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Multiple Star System
Components
3
Component IDs
AC
Separation
7.4″
Companion Mag
12.0
Position Angle
46°
Star Colors
A: White
Discoverer
BU 287
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 7.4″ · PA: 46° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
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
Pleiades group.
0.020".
Deneb el Okab; Deneb. Combined with HR 7176.
Survey Image
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