20 octobre 2011

An active V442 and outburst

In 2010, August, i discovered an outburst of the Be star V442 and. That was my 2nd discovered outburst during 2010 on a total of three up to date. Unlike the others,  this outburst occurred during a period of nine month, between two observations, and last for less than 6 months. It was very short for a Be outburst. The star return to quiescent stage recently these days.  It gave some of the most animate Be spectra i have never done. Below are animations of my raw spectra, telluric lines... [Lire la suite]
Posté par gabalou à 22:52 - - Permalien [#]
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