19 février 2013

Anatoly Miroshnichenko publication  "The 2011 Periastron Passage of the Be Binary delta Scorpii" is available on arXiv http://arxiv.org/abs/1302.4021 Many amateurs has contributed to this campaign. 50% of the sepctra are from Amateur, about 300. A lot of questions are still in the air as a third component is possible. So rendez vous in 8 years. Publication in ApJ is scheduled in April. I was particpating to this campaign both at IAC80, with Anatoly, Alberto, Jose for ten days in July 2011, and with my own spectroscpe... [Lire la suite]