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]