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Proceedings Paper

Multi Element Telescope for Imaging and Spectroscopy (METIS) coronagraph for the Solar Orbiter mission
Author(s): Ester Antonucci; Silvano Fineschi; Giampiero Naletto; Marco Romoli; Daniele Spadaro; Gianalfredo Nicolini; Piergiorgio Nicolosi; Lucia Abbo; Vincenzo Andretta; Alessandro Bemporad; Frédéric Auchère; Arkadiusz Berlicki; Roberto Bruno; Gerardo Capobianco; Angela Ciaravella; Giuseppe Crescenzio; Vania Da Deppo; Raffaella D'Amicis; Mauro Focardi; Fabio Frassetto; Peter Heinzel; Philippe L. Lamy; Federico Landini; Giuseppe Massone; Marco A. Malvezzi; J. Dan Moses; Maurizio Pancrazzi; Maria-Guglielmina Pelizzo; Luca Poletto; Udo H. Schühle; Sami K. Solanki; Daniele Telloni; Luca Teriaca; Michela Uslenghi
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Paper Abstract

METIS, the “Multi Element Telescope for Imaging and Spectroscopy”, is a coronagraph selected by the European Space Agency to be part of the payload of the Solar Orbiter mission to be launched in 2017. The unique profile of this mission will allow 1) a close approach to the Sun (up to 0.28 A.U.) thus leading to a significant improvement in spatial resolution; 2) quasi co-rotation with the Sun, resulting in observations that nearly freeze for several days the large-scale outer corona in the plane of the sky and 3) unprecedented out-of-ecliptic view of the solar corona. This paper describes the experiment concept and the observational tools required to achieve the science drivers of METIS. METIS will be capable of obtaining for the first time: • simultaneous imaging of the full corona in polarized visible-light (590-650 nm) and narrow-band ultraviolet HI Lyman α (121.6 nm); • monochromatic imaging of the full corona in the extreme ultraviolet He II Lyman α (30.4 nm); • spectrographic observations of the HI and He II Ly α in corona. These measurements will allow a complete characterization of the three most important plasma components of the corona and the solar wind, that is, electrons, hydrogen, and helium. This presentation gives an overview of the METIS imaging and spectroscopic observational capabilities to carry out such measurements.

Paper Details

Date Published: 17 September 2012
PDF: 12 pages
Proc. SPIE 8443, Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, 844309 (17 September 2012); doi: 10.1117/12.927222
Show Author Affiliations
Ester Antonucci, INAF, Osservatorio Astronomico di Torino (Italy)
Silvano Fineschi, INAF, Osservatorio Astronomico di Torino (Italy)
Giampiero Naletto, Univ. degli Studi di Padova (Italy)
Marco Romoli, Univ. degli Studi di Firenze (Italy)
Daniele Spadaro, INAF, Osservatorio Astrofisico di Catania (Italy)
Gianalfredo Nicolini, INAF, Osservatorio Astronomico di Torino (Italy)
Piergiorgio Nicolosi, Univ. degli Studi di Padova (Italy)
Lucia Abbo, INAF, Osservatorio Astronomico di Torino (Italy)
Vincenzo Andretta, INAF, Osservatorio Astronomico di Capodimonte (Italy)
Alessandro Bemporad, INAF, Osservatorio Astronomico di Torino (Italy)
Frédéric Auchère, Institut d'Astrophysique Spatiale (France)
Arkadiusz Berlicki, Astronomical Institute of the ASCR, v.v.i. (Czech Republic)
Roberto Bruno, INAF/IASF Roma (Italy)
Gerardo Capobianco, INAF, Osservatorio Astronomico di Torino (Italy)
Angela Ciaravella, INAF, Osservatorio Astronomico di Palermo (Italy)
Giuseppe Crescenzio, INAF, Osservatorio Astronomico di Torino (Italy)
Vania Da Deppo, Consiglio Nazionale delle Ricerche (Italy)
Raffaella D'Amicis, INAF/IASF Roma (Italy)
Mauro Focardi, Univ. degli Studi di Firenze (Italy)
Fabio Frassetto, Univ. degli Studi di Padova (Italy)
Peter Heinzel, Astronomical Institute of the ASCR, v.v.i. (Czech Republic)
Philippe L. Lamy, Observatoire Astronomique de Marseille-Provence (France)
Federico Landini, Univ. degli Studi di Firenze (Italy)
Giuseppe Massone, INAF, Osservatorio Astronomico di Torino (Italy)
Marco A. Malvezzi, Univ. degli Studi di Pavia (Italy)
J. Dan Moses, U.S. Naval Research Lab. (United States)
Maurizio Pancrazzi, Univ. degli Studi di Firenze (Italy)
Maria-Guglielmina Pelizzo, Consiglio Nazionale delle Ricerche (Italy)
Luca Poletto, Consiglio Nazionale delle Ricerche (Italy)
Udo H. Schühle, Max-Planck-Institut für Sonnensystemforschung (Germany)
Sami K. Solanki, Max-Planck-Institut für Sonnensystemforschung (Germany)
Daniele Telloni, INAF, Osservatorio Astronomico di Torino (Italy)
Luca Teriaca, Max-Planck-Institut für Sonnensystemforschung (Germany)
Michela Uslenghi, INAF/IASF Milano (Italy)


Published in SPIE Proceedings Vol. 8443:
Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray
Tadayuki Takahashi; Stephen S. Murray; Jan-Willem A. den Herder, Editor(s)

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