30 Her
Showpiece (77/100)
HIP 80704; 30 Her
VariableStar
Her
Visible
Level 1
Naked eye / Binoculars - Monitor brightness changes
Physical Properties
Magnitude
5.04
Range
4.30 - 5.50
Period
89 days
Variable Type
Semi-Regular Variable (Late-type Giant)
Spectral Type
M6-III
Star Color
Red
(B-V 1.52)
Distance
181 ly
Position & Identifiers
RA
16h 28m 38.5s
Dec
+41° 52' 54.0"
Constellation
Her
HR
6146
HIP
80704
Flamsteed
30 Her
Variable ID
g Her
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Visibility
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Light Curve
Comparison Stars for 30 Her (4.3–6.3)
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 Fusion
Stellar Notes
SRb 4.3 - 6.3v, 5.7 - 7.2p, 89.2d. Also slow var. of about 875d and aperiodic superposed cycles 5 - 15d.
Survey Image
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