40 Gem
HIP 33650; 40 Gem
Star
Gem
Visible
Level 2
Small telescope (4")
Physical Properties
Magnitude
6.40
Spectral Type
B8III
Star Color
Blue-white
(B-V -0.11)
Position & Identifiers
RA
06h 59m 27.9s
Dec
+25° 54' 51.0"
Constellation
Gem
HR
2605
HIP
33650
Flamsteed
40 Gem
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Visibility
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Multiple Star System
Separation
0.1″
Position Angle
69°
Star Colors
A: Blue-white
Discoverer
MCA 28
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
7.1, 7.1v, sep. 0.040". Resolved by speckle interferometry 1983.93, sep. 0.06"; unresolved 1984.93 and 1985.25.
Spectra show Hg, Mn. Helium weak.
Survey Image
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