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		| Paper: | 
		Freeware Solutions for Spectropolarimetric Data Reduction | 
	 
	
		| Volume: | 
		405, Solar Polarization 5: In Honor of Jan Olof Stenflo | 
	 
	
		| Page: | 
		51 | 
	 
	
		| Authors: | 
		Paletou, F.; Rezaei, R.; Léger, L. | 
	 
	
	
		| Abstract: | 
		Most of the solar physicists use very expensive software for data reduction and visualization. We present hereafter a reliable freeware solution based on the Python language. This is made possible by the association of the latter with a small set of additional libraries developed in the scientific community. It provides then a very powerful and economical alternative to other interactive data languages. Although it can also be used for any kind of post-processing of data, we demonstrate the capabilities of such a set of freeware tools using THéMIS observations of the second solar spectrum. | 
	 
	
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