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Depuis la création 33 427
14 juillet 2012

What is a L200 spectrograph ?

What is a L200 spectrograph ?
The L200 is a littrow design slit spectrograph develloped by Ken Harrison for amateur who wants build one by themself. It's a good start and more for serious spectroscopy. Different grates, adjustable slit, let's John Strachan (say a sccotish "Strarren")...
Posté par gabalou à 11:45 - Commentaires […] - Permalien [#]
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11 juillet 2012

First echelle spectra of AZ Cas

First echelle spectra of AZ Cas
Here is an echelle spectra showing h alpha red wing in emission. Order 49 to 28, 4550A to 8000A seems to be good for exploitation. Threre is not enough signal in the blue to achieve a good snr so i didn't extract blue orders. It is the first echelle spectra...
Posté par gabalou à 18:36 - Commentaires […] - Permalien [#]
Tags: AZ cas
11 juillet 2012

nova_sgr_2012_no4_20120708_872

nova_sgr_2012_no4_20120708_872
The nova sgr 2012 No4 was discovered by Koichi Nishiyama, Kurume,Japan and Fujio Kabashima, Miyak, Japan. CBAT I have obtained an echelle spectrum (R~11000) of the Nova Sgr 2012 No.4 (CBET3166) on July 8.872 (UT), using the eshell spectrometer attached...
Posté par gabalou à 03:36 - Commentaires […] - Permalien [#]
10 juillet 2012

AZ Cas eclipse and periastron passage of 2012-2014, a new campaign

Spectroscopic observations are required for AZ cas (mV 9.3) http://www.konkoly.hu/cgi-bin/IBVS?6027 http://www.astri.uni.torun.pl/~cgalan/AZCas/ i'm still trying to catch a spectra, first one i've took was from a brighter B7II star around.... Here are...
Posté par gabalou à 11:05 - Commentaires […] - Permalien [#]
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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3 juillet 2012

FF cam poster

These days at HVAR 2012 here is the poster who summarize spectroscopic observations of this new founded binary. Any comments are welcome ! Poster_FF_Cam_Hvar_2012
Posté par gabalou à 16:16 - Commentaires […] - Permalien [#]
Tags: FF cam
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