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The HARPS Polarimeter
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Observational Astronomy.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Observational Astronomy.
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2011 (English)In: Solar Polarization 6, 2011, Vol. 437Conference paper, Published paper (Refereed)
Abstract [en]

We recently commissioned the polarimetric upgrade of the HARPS spectrograph at ESO’s 3.6-m telescope at La Silla, Chile. The HARPS polarimeter is capable of full Stokes spectropolarimetry with large sensitivity and accuracy, taking advantage of the large spectral resolution and stability of HARPS. In this paper we present the instrument design and its polarimetric performance. The first HARPSpol observations show that it can attain a polarimetric sensitivity of \tilde10$^-5$ (after addition of many lines) and that no significant instrumental polarization effects are present.

Place, publisher, year, edition, pages
2011. Vol. 437
Series
Astronomical Society of the Pacific Conference Series
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-170201OAI: oai:DiVA.org:uu-170201DiVA: diva2:508554
Conference
Astronomical Society of the Pacific Conference Series, 437
Available from: 2012-03-09 Created: 2012-03-09 Last updated: 2012-10-18

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Kochukhov, OlegStempels, EricMakaganiuk, Vitalii

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