22 Vul
Observable Variable Star
Good (47/100)
Period: 249.1d
HIP 99853; 22 Vul
VariableStar
Vul
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
5.15
Spectral Type
G3Ib-II
Star Color
Orange
(B-V 1.04)
Distance
815.4 ly
Position & Identifiers
RA
20h 15m 30.2s
Dec
+23° 30' 31.0"
Constellation
Vul
HR
7741
HIP
99853
Flamsteed
22 Vul
Variable ID
QS Vul
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Visibility
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Comparison Stars for 22 Vul
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
E, amp. 0.367U, 0.142B, 0.052V, 0.031R, 0.010I, 249.099d; duration of primary eclipse <17d.
251.0d, K 26.8k/s, V0 -23.7k/s, asini 92.4. Secondary B9, revised period 249.099d, a1sini 93.
Survey Image
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