Up to December 2, 2002
Eta Geminorum is a very interesting star. Besides being a semiregular red pulsating star with a cycle of 233 days, what we see is actually the combination of the light of two stars that eclipse each other with a very long 2983-2984 days period.
The companion is probably another M type star, which makes this system a very strange one.
Just when the New Year has come we will probably be observing the bottom of the eclipse.
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