34 Boo
Observable Variable Star
Excellent (63/100)
Range: 4.62 - 4.93, Period: 25.5d, Type: SRB
HIP 71995; 34 Boo
VariableStar
Boo
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
4.81
Range
4.62 - 4.93
Period
25.510 days
Variable Type
Semi-Regular Variable (Late-type Giant)
Spectral Type
M3-III
Star Color
Red
(B-V 1.66)
Distance
1630.8 ly
Position & Identifiers
RA
14h 43m 25.4s
Dec
+26° 31' 40.0"
Constellation
Boo
HR
5490
HIP
71995
Flamsteed
34 Boo
Variable ID
W Boo
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Visibility
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Light Curve
Comparison Stars for 34 Boo (4.7–5.4)
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
SRb 4.7 - 5.4v, about 30d or 450:d.
Survey Image
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