bet Cep in emission

bet Cep in emission

Postby Olivier Thizy » Sun Sep 11, 2016 10:53 pm

Hello,


My spectrum of beta Cephei taken in july showed an emission while spectrum from 2014 didn't (one from Olivier Garde in 2015 seems to show something).
I have taken another spectrum tonight and change seems slow:

graph_betcep_20160911_833_full.png


Note that spectra have been corrected from heliocentric velocity as well as the radial velocity from CDS catalog, explaining the difference in telluric lines between he two dates...


Cordialement,
Olivier
Olivier Thizy
 
Posts: 366
Joined: Sat Sep 24, 2011 10:52 am
Location: in the french Alps...

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