A new spectro-polarimetric unit for the High Accuracy Radial velocity Planet Searcher of North emisphere (HARPS-N) of the Telescopio Nazionale Galileo has been installed. Electro-opto-mechanical solutions adopted to link the dual-beam spectro-polarimeter located at a Nasmyth focus to the fiber-fed spectrograph and, at the same time, able to guarantee a correct orientation of optical axes in the celestial equatorial system are described. First results of science verification are reported.
The HARPS-North@TNG polarimeter
LEONE, Francesco;Giarrusso, M.;
2016-01-01
Abstract
A new spectro-polarimetric unit for the High Accuracy Radial velocity Planet Searcher of North emisphere (HARPS-N) of the Telescopio Nazionale Galileo has been installed. Electro-opto-mechanical solutions adopted to link the dual-beam spectro-polarimeter located at a Nasmyth focus to the fiber-fed spectrograph and, at the same time, able to guarantee a correct orientation of optical axes in the celestial equatorial system are described. First results of science verification are reported.File in questo prodotto:
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