23 Vul
HIP 99874; 23 Vul
DoubleStar
Vul
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
4.52
Spectral Type
K3-IIIFe-1
Star Color
Red
(B-V 1.26)
Distance
407.7 ly
Position & Identifiers
RA
20h 15m 46.1s
Dec
+27° 48' 51.0"
Constellation
Vul
HR
7744
HIP
99874
Flamsteed
23 Vul
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Visibility
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Multiple Star System
Separation
0.2″
Companion Mag
6.9
Position Angle
138°
Star Colors
A: Red
Discoverer
MCA 60
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.2″ · PA: 138° · 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
Also classified K3III CN-1 Ba0.3 Fe-1.
Survey Image
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