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Old 20-05-2015, 10:17 PM
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Terry B
Country living & viewing

Terry B is offline
 
Join Date: Mar 2006
Location: Armidale
Posts: 2,790
Both of those stars are have cool red type spectra. They look like K or M stars. The cooler stars have a sawtooth appearance due to TiO absorption bands. I have attached an example spectra. It is of T Aps which is a mira star with a M spectra.
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