Alhena - γ Geminorum (gamma Geminorum)
Alhena, also designated as γ Geminorum (gamma Geminorum), is a multiple hypergiant star of spectral class A0 in the constellation of Gemini.
Alhena visual magnitude is 1.93, making it the 42th brightest star in the sky. Because of its brightness, Alhena is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart
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Finder chart for Alhena - γ Geminorum (gamma Geminorum).
Magnitude, Color, Spectral Class

The red dot in the diagram below shows where Alhena is situated in the Hertzsprung–Russell diagram.

Star System Properties
Alhena is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the Alhena double sysyem:
Distance, Radial Speed, Proper Motion
Alhena is distant 104.76 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.
Alternative Designations
Visibility from Your Location
Today's Alhena - γ Geminorum (gamma Geminorum) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):