20 octobre 2012

Possible end of outbust of HD175511

Edit : Star still in outburst in lastest spectra http://arasbeam.free.fr/spip.php?page=beam_spectra&etoile=1008   Be star, HD175511 (18 52 02.21 +59 40 01.33 6.9) has been seen in outburst since 2001. http://arasbeam.free.fr/spip.php?page=beam_spectra&etoile=1008   My last spectra from yesterday show h alpha line in absorption with a  fill in of the core, and pure absorption in h beta and h gamma lines Possible end of outburst to be confirmed by another observation.   Possible fin... [Lire la suite]
Posté par gabalou à 18:36 - - Permalien [#]
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18 octobre 2012

Spectro Chats

Juste un lien, ou un Truc bien utilisé.   http://telescope-rural.org/
Posté par gabalou à 13:24 - - Permalien [#]
11 octobre 2012

WR134, 135, 137 IAC80 Teide Campaign

"A brief status update: We now have 19 amateur and 1 professional campaign members who would go to Teide (20 overall from Germany, France, Poland, Danmark, Australia, Spain, Portugal). Because we have two teams of four members and one team of three we still need more observers. Presently we can establish only 7 teams at best. " Thomas Everberg       I formed a small group of 3 and half observers for two weeks at IAC80. Participants are Pierre Dubreuil, Alain Lopez and Benjamin Mauclaire (only for a week). Two... [Lire la suite]
Posté par gabalou à 11:01 - - Permalien [#]