spectro-aras.com

Evolution of Rigel in 3 weeks.


(not corrected from heliocentric velocity)

English version below :

La campagne de spectres sur Rigel et Betelgeuse prendra fin ce samedi 15 février.

l’OCA (Observatoire de la Côte d’Azur) tient à remercier tout les contributeurs de spectres et ils ont été nombreux.

On aura sans doute des nouvelles au niveau de leur manip dans les prochains mois.

Merci encore à tous.
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English version :

The spectro campaign on Rigel and Betelgeuse will end on saturday 15 february.
The OCA (Observatoire de la Côte d’Azur) would like to thank all the contributors for taken spectra and ther were numerous.
We will undoubtedly have news about their experimentations in the coming months (Intensity interferometry).

Thanks again for all…

A spectrum of Rigel taken at high resolution (VHIRES-MO, R=38 0000 + Newton 250 mm + ASI1600MM) :



(note : telluric lines are removed)

Christian Buil

Here are my Rigel spectra taken last week:
Ha(H2O removed):

Ha(H2O not removed)

CaK:

Hope this star isn't "thinking" about going SN!

James