Fawaris
HIP 97165; Delta Cyg; 18 Cyg
Observable Double Star
Good (56/100)
Sep: 2.8", Companion: mag 6.3
HIP 97165; Delta Cyg; 18 Cyg
DoubleStar
Cyg
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
2.87
Spectral Type
A0IV
Star Color
Blue-white
(B-V -0.03)
Distance
170.9 ly
Position & Identifiers
RA
19h 44m 58.5s
Dec
+45° 07' 51.0"
Constellation
Cyg
HR
7528
HIP
97165
Bayer
Delta
Flamsteed
18 Cyg
Double Cat
12880
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
2.8″
Companion Mag
6.3
Position Angle
214°
Star Colors
A: Blue-white
B: Yellow
Discoverer
STF2579
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.8″ · PA: 214° · N up, E left
At limit · 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 12880A is NSV 12381, 2.85 - 2.89V. Component B is NSV 12380, 6.5 ->8.5v.
AB 2.91 B9.5III, 6.33 F1V, 827.6y, a = 3.20".
Color excess E(B-V) = +0.05.
0.021".
Survey Image
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