BW Vul
Observable Variable Star
Good (43/100)
Range: 6.2 - 6.4, Period: 4.8h, Type: Beta C
HIP 103191
VariableStar
Vul
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
6.56
Variable Type
Beta Cephei (Pulsating)
Spectral Type
B2IIIe
Star Color
Blue-white
(B-V -0.13)
Position & Identifiers
RA
20h 54m 22.4s
Dec
+28° 31' 19.0"
Constellation
Vul
HR
8007
HIP
103191
Variable ID
BW Vul
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Visibility
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Comparison Stars for BW Vul (6.2–6.4)
Nearby stable stars for estimating brightness (AAVSO)
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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
Beta C 6.2 - 6.43p, 0.20104071d. Sudden period change in 1972. 1924-70 per. increased 0.037s/y.
Survey Image
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