23 mars 2012

FF cam, mid March report

FF cam is the weirdest thing i had never observed. Daily spectras are differents, intensities variation, shape, double or single peak, all configurations of the h alpha line for a Be star are possible. 4 differents observers are following this challenging star. Three echelle spectrographs (Eshell) and one long slit H alpha centered spectrograph (LhiresIII) with telescopes from 0.28m to 0.80m. 3 in Europe and 1 in US. Summary of the H alpha profiles: http://www.astrosurf.com/garrel/webFFcam_March19/Vspec_objet.html And some plots... [Lire la suite]
Posté par gabalou à 12:05 - - Permalien [#]
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