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Proceedings Paper

The telescope and the double Fabry-Pérot interferometer for the ADAHELI solar space mission
Author(s): V. Greco; F. Cavallini; F. Berrilli
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Paper Abstract

ADvanced Astronomy for HELIophysics (ADAHELI) is a Small Mission to study the structure and fast dynamics of the low solar atmosphere, performing Visible-NIR monochromatic and broad-band observations. The mission will achieve millimeter full disk observations as well. The ADAHELI Team has succesfully completed, in December 2008, the Phase A study awarded by the Italian Space Agency (ASI). The Interferometer for SOlar Dynamics (ISODY), on board the ADAHELI satellite, comprises a Gregorian telescope and its focal plane suite. The advanced design focal plane suite uses fast CMOS cameras for investigating photospheric and chromospheric fast dynamics and structure. ISODY is equipped with a pioneering focal plane suite composed of a spectral channel, based upon a tandem of Fabry-Perot interferometers operating in the visible-NIR spectral region, a broad band channel for high resolution imaging, and a correlation tracker used as an image stabilization system. ADAHELI's mission profile has been tailored to limit the spacecraft's radial velocity in the Sunward direction, to not exceed ±4 km/s, during 95% of the yearly orbit, to allow a continuous use of the on-board interferometer.

Paper Details

Date Published: 11 August 2010
PDF: 9 pages
Proc. SPIE 7731, Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave, 773142 (11 August 2010); doi: 10.1117/12.856617
Show Author Affiliations
V. Greco, Istituto Nazionale di Ottica Applicata, CNR (Italy)
F. Cavallini, INAF, Osservatorio Astrofisico di Arcetri (Italy)
F. Berrilli, Univ. degli Studi di Roma Tor Vergata (Italy)


Published in SPIE Proceedings Vol. 7731:
Space Telescopes and Instrumentation 2010: Optical, Infrared, and Millimeter Wave
Jacobus M. Oschmann; Mark C. Clampin; Howard A. MacEwen, Editor(s)

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