o Vel
Observable Variable Star
Good (53/100)
Range: 3.6 - 3.7, Period: 3.2h, Type: Beta C
HIP 42536
VariableStar
Vel
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
3.62
Variable Type
Beta Cephei (Pulsating)
Spectral Type
B2.5IV
Star Color
Blue
(B-V -0.18)
Distance
536.5 ly
Position & Identifiers
RA
08h 40m 17.6s
Dec
-52° 55' 19.0"
Constellation
Vel
HR
3447
HIP
42536
Variable ID
o Vel
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Visibility
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Comparison Stars for o Vel (3.6–3.7)
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 3.56 - 3.67V, 0.131977d.
3.2 hrs.
In cluster IC 2391 #20.
Expanding circumstellar shell.
Sometimes called omicron Vel, but the letter had originally been "o" (Roman), not omicron.
Survey Image
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