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P Cyg ag Peg comparison!

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P Cyg ag Peg comparison!

Posted: Sat Sep 26, 2015 10:53 pm
by SteveCuthbert
Hi
Took some spectra of these two objects last night and although they are quite similar I wondered if anyone could tell me what the line around 4690 angst on the ag Peg profile is likely to be please?.
agPeg PCyg.png

thanks
Steve

Re: P Cyg ag Peg comparison!

Posted: Sat Sep 26, 2015 11:11 pm
by SteveCuthbert
I think it might be HeII ! :roll:

Steve

Re: P Cyg ag Peg comparison!

Posted: Mon Sep 28, 2015 5:35 am
by Francois Teyssier
Yes, It is !
François
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