The DAO liquid crystal spectropolarimeter dimaPol

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Journal titlePolarimetry: From the Sun to Stars and Stellar Environments
Series titleProceedings of the International Astronomical Union; Volume 10
Pages191194; # of pages: 4
Subjectpolarization; magnetic fields; instrumentation: polarimeters; stars: magnetic fields
AbstractThe spectropolarimeter dimaPol measures circular polarization in spectral lines of stellar objects. The instrument is used to simultaneously detect polarization signals in the hydrogen Hβ line as well as nearby metallic lines. A fast switching ferro-electric liquid crystal waveplate synchronized with charge shuffling on the CCD is employed to greatly reduce instrumental systematics. dimaPol has been in use on the DAO 1.8-m Plaskett telescope since 2007. In this presentation we show the capabilities of the instrument as well as some of the main results obtained with it to date.
Publication date
PublisherCambridge University Press
International Astronomical Union
AffiliationNational Research Council Canada; NRC Herzberg Institute of Astrophysics
Peer reviewedYes
NPARC number21277067
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Record identifier9799f54c-5a2e-43ba-8cb7-059a41d2efe9
Record created2015-11-10
Record modified2017-06-27
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