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Paper: |
Data Reduction Approach for the Extreme Polarimeter |
Volume: |
449, Astronomical Polarimetry 2008: Science from Small to Large Telescopes |
Page: |
79 |
Authors: |
Canovas, H.; Rodenhuis, M.; Jeffers, S. V.; Keller, C. U. |
Abstract: |
ExPo (Extreme Polarimeter) is an imaging polarimeter that we are building
at Utrecht University, The Netherlands. It will detect polarized light from
circumstellar disks and extrasolar planets, initially at the 4.2 m
WHT and later at other telescopes. We have developed a data reduction
approach that minimizes the influence of instrumental and atmospherical
effects by using a partially transmitting coronagraph focal-plane mask. The
approach has been tested with a laboratory simulator and an ExPo
prototype. |
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