Publisher： Edp Sciences
E-ISSN： 1638-1963|39|issue|55-67
ISSN： 1633-4760
Source： EAS Publications Series, Vol.39, Iss.issue, 2009-11, pp. : 55-67
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Abstract
In this chapter I present methods to measure stellar magnetic fields, inparticular the regression method used with low-resolution spectropolarimetersand the Least Square Deconvolution method used with high-resolutionspectropolarimeters. I discuss the advantages and inconvenients of each methodand the various instruments available as of today. I conclude on the bestpolarimeter to use depending on the science goal and type of studied objects,and provide a short summary of the two ongoing large programmes MaPP and MiMeS.
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