27 July 2016 Planet imaging polarimetry with the solar telescope GREGOR
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Abstract
Polarimetry of planets and planetary systems provide unique information on physics and chemistry of planetary atmospheres. We have built a new instrument, GREGOR Planet Polarimeter (GPP), which includes fast polarimetric modulation, high-rate readout CCD, and adaptive optics. It operates at the solar telescope GREGOR on Tenerife, Canary Islands, and it benefits from the possibility to calibrate the entire optical train after the secondary mirror. Here we present the instrument design, performance tests, and first scientific data. This research is supported by the ERC Advanced Grant HotMol.
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Daniel Gisler, Daniel Gisler, Thomas Berkefeld, Thomas Berkefeld, Svetlana Berdyugina, Svetlana Berdyugina, } "Planet imaging polarimetry with the solar telescope GREGOR", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99065E (27 July 2016); doi: 10.1117/12.2233461; https://doi.org/10.1117/12.2233461
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