2 Vul
Fair (24/100)
HIP 94827; 2 Vul
DoubleStar
Vul
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
5.43
Variable Type
Beta Cephei (Pulsating)
Spectral Type
B0.5IV
Star Color
White
(B-V 0.02)
Distance
466 ly
Position & Identifiers
RA
19h 17m 43.6s
Dec
+23° 01' 32.0"
Constellation
Vul
HR
7318
HIP
94827
Flamsteed
2 Vul
Variable ID
ES Vul
Double Cat
12287
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
1.8″
Companion Mag
8.8
Position Angle
128°
Star Colors
A: White
B: Yellow
Discoverer
BU 248
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.8″ · PA: 128° · 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 Fusion
Stellar Notes
ADS 12287A, Beta C? 5.4 - 5.46v, 0.6096d.
AB binary.
Survey Image
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