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Spectropolarimetry with PEPSI at the LBT: accuracy vs. precision in magnetic field measurements

Published online by Cambridge University Press:  01 November 2008

Ilya Ilyin ,
Klaus G. Strassmeier ,
Manfred Woche  and
Axel Hofmann
Ilya Ilyin
Affiliation:
Astrophysikalisches Institut Potsdam, An der Sternwarte 16, D-14482 Potsdam, Germany email: [email protected]
Klaus G. Strassmeier
Affiliation:
Astrophysikalisches Institut Potsdam, An der Sternwarte 16, D-14482 Potsdam, Germany email: [email protected]
Manfred Woche
Affiliation:
Astrophysikalisches Institut Potsdam, An der Sternwarte 16, D-14482 Potsdam, Germany email: [email protected]
Axel Hofmann
Affiliation:
Astrophysikalisches Institut Potsdam, An der Sternwarte 16, D-14482 Potsdam, Germany email: [email protected]
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Abstract

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We present the design of the new PEPSI spectropolarimeter to be installed at the Large Binocular Telescope (LBT) in Arizona to measure the full set of Stokes parameters in spectral lines and outline its precision and the accuracy limiting factors.

Keywords

Instrumentation: spectrographs – instrumentation: polarimeters – techniques: polarimetric – polarization
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 4 , Symposium S259: Cosmic Magnetic Fields: From Planets, to Stars and Galaxies , November 2008 , pp. 663 - 664
Copyright
Copyright © International Astronomical Union 2009

References

Samoylov, A. V., Samoylov, V. S, Vidmachenko, A. P., & Perekhod, A. V. 2004, JQSRT 88, 319Google Scholar
Strassmeier, K. G., Woche, M., Ilyin, I., et al. 2008, SPIE 7014Google Scholar
Sun, L. & Adlou, S. 2006, SPIE 6288, 62890Google Scholar