02 février 2012

FF cam, January behavior of the H alpha line

I've started a spectral monitoring of one my favorite star, FF cam. I discovered this star in 2009 by a routine survey of Be stars. Considering the Bess program, this star was observed only once par year before. I was surprised in 2009 in two consecutives nights, while redoing spectra due to bad SNR, to see how much the h alpha profile has changed. I did some others spectra in 2009 showing a great activities in H alpha and let it down for a while. At this time i was using a LhiresIII... [Lire la suite]
Posté par gabalou à 12:02 - - Permalien [#]
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