3 Gem
Showpiece (78/100)
HIP 29225; 3 Gem
VariableStar
Gemini
(Gem)
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
5.75
Range
5.71 - 5.77
Period
6.8 days
Variable Type
ACYG
Spectral Type
B2.5Ib
Star Color
Yellow-white
(B-V 0.21)
Position & Identifiers
RA
06h 09m 44.0s
Dec
+23° 06' 48.0"
Constellation
Gemini
(Gem)
HR
2173
HIP
29225
Flamsteed
3 Gem
Double Cat
4751
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Visibility
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Light Curve
Comparison Stars for 3 Gem (7.0–10.0)
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
ADS 4751B, 7.0 - 10.0v.
AB binary, combined mag., colors. C 14.4v at 18".
Gem OB1.
Survey Image
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