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Depuis la création 33 420
4 juillet 2012

Publication of results of the Epsilon aurigae spectroscopic campaign

For HVAR2012, publication by AAVSO of results of the spectroscopic campaign on epsilon aurigae are available. An analysis of the behaviour of the K 7699A and Na D lines by Robin Leadbeater during eclipse can be found here http://arxiv.org/abs/1206.6754...
Posté par gabalou à 18:58 - Commentaires […] - Permalien [#]
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24 février 2011

end of 2010, early 2011 behavior of the H-alpha line of epsilon Aurigae

end of 2010, early 2011 behavior of the H-alpha line of epsilon Aurigae
In 2010, November the red wing of the HII shell around the supergiant F star has reappeared, uncovered by the secondary object. This return make the inside bottom Ha bump disappeared and some unexpected bumps appeared in the sodium doublet in December,...
Posté par gabalou à 12:26 - Commentaires […] - Permalien [#]
Tags: epsilon aurigae
21 janvier 2011

epsilon Aurigae AAS 2011 poster

In 2011 January a Poster made by Robin Leadbeater, was presented at the January 2011 AAS in Seatle. This poster based on the epsilon Aurigae internationnal campaign spectra summarized in a wonderful manner the two thirds parts of the ongoing eclipse....
Posté par gabalou à 19:17 - Commentaires […] - Permalien [#]
Tags: epsilon aurigae,  poster AAS
29 novembre 2010

Epsilon Aurigae et le retour de l'Anneau

Epsilon Aurigae et le retour de l'Anneau
En ce mois de novembre, les spectres de epsilon aurigae montrent un brusque retour de la signature en émission de l'anneau d'hydrogène ceinturant la supergéante F. Le disque obscur éclipsant ne couvre plus la partie R, s'éloignant de nous, de cet anneau....
Posté par gabalou à 19:42 - Commentaires […] - Permalien [#]
Tags: eps aur
27 octobre 2010

October eps Aur Ha facts

October eps Aur Ha facts
A summarize of my 2010, October observations around Ha region. Eps aur seems to have a very quiet phase, the first one after mid eclipse. No majors changes in the Ha core. Some transients lines appeared and disappeared around 6605A region. Add from November,...
Posté par gabalou à 22:31 - Commentaires […] - Permalien [#]
Tags: epsilon aurigae
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11 octobre 2010

Somes September and early October news of epsilon Aurigae

Somes September and early October news of epsilon Aurigae
Hi everybody, it was a long time i did not any blog on my observations. I was very busy with weirds spectral things during August on eps aur and compete a spectral run on Be star with more than forty stars observations. Some publications are awaited on...
Posté par gabalou à 10:43 - Commentaires […] - Permalien [#]
6 juin 2010

Observing during daylight, observation de jour

Observing during daylight, observation de jour
Spectroscopy of eps aur in these times is a tought task. I've been able to follow esp aur during end of may and this early June with a higher pier. I've started capture during daylight, with manual autoguiding, having still 40mm before epsaur set behing...
Posté par gabalou à 08:51 - Commentaires […] - Permalien [#]
Tags: spectre de jour,  daylight
26 avril 2010

Animation epsilon aurigae

Animation epsilon aurigae
Cliquer sur l'image, click on the picture Ha secondary peak inside the Ha absorption of the primary star Overall Ha Ew graph. Note the linearity of the progression as the red Ha horn disapeared For more information on epsilon aurigae system : http://...
Posté par gabalou à 22:28 - Commentaires […] - Permalien [#]
Tags: epsilon aurigae,  animation
7 avril 2010

Epsilon Aurigae en musique ! Music !

Epsilon Aurigae en musique ! Music !
Un clip musical présentant les variations spectaculaires que connait le spectre Halpha de ce système. http://www.youtube.com/watch?v=cvbnSTuUbus download (344ko) epsaurblues L'aile rouge et bleu dansent, agitées par des phénomènes non liés à l'éclipse...
Posté par gabalou à 18:54 - Commentaires […] - Permalien [#]
Tags: epsilon aurigae
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