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		| Paper: | 
		Polarimetric Standard Stars Observed with FORS1 at ESO-VLT | 
	 
	
		| Volume: | 
		343, Astronomical Polarimetry: Current Status and Future Directions | 
	 
	
		| Page: | 
		85 | 
	 
	
		| Authors: | 
		Mason, E.; Bagnulo, S.; Szeifert, T.; Cabanac, R.; Jehin, E.; Ledoux, C. | 
	 
	
	
		| Abstract: | 
		A Paranal Observatory project aims to analyze all the polarimetric standard stars in use at FORS1 to both check they have a constant polarization signal and measure the instrumental polarization. Preliminary results for 3 standards in the FORS1 calibration plans are presented. | 
	 
	
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