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Current spectropolarimeters and methods to measure stellar magnetic fields
Published online by Cambridge University Press: 03 November 2009
Abstract
In this chapter I present methods to measure stellar magnetic fields, in particular the regression method used with low-resolution spectropolarimeters and the Least Square Deconvolution method used with high-resolution spectropolarimeters. I discuss the advantages and inconvenients of each method and the various instruments available as of today. I conclude on the best polarimeter 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.
- Type
- Research Article
- Information
- European Astronomical Society Publications Series , Volume 39: Stellar Magnetism , 2009 , pp. 55 - 67
- Copyright
- © EAS, EDP Sciences, 2009