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Old 08-08-2015, 08:56 PM
Terry B's Avatar
Terry B
Country living & viewing

Terry B is offline
 
Join Date: Mar 2006
Location: Armidale
Posts: 2,790
It is certainly a green star now. I took a spectrum of it in May but have not taken any more since. It is unlikely to have changed much though.
Almost all of the flux is emitted in 2 lines around 5000A these are green to our eye.
Interesting change since it was first discovered.

Terry
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