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.
The telescope and the double Fabry-Pérot interferometer for the ADAHELI solar space mission / V. Greco; F. Cavallini; F. Berrilli; M. Velli; L. Roselli; A Bigazzi; P. F. Moretti; M. Romoli; S. Orsini; P. Sabatini; V. Carbone; G. Consolini; M. P. Di Mauro; I Ermolli; E. Pietropaolo; P. Romano; P. Ventura; L. Valdettaro; S. M. White; F. Zuccarello; G. Cauzzi; F. Giammaria; K. Reardon; R. Briguglio; S. Landi; A. Vecchio; F. Lepreti; L. Sorriso-Valvo; L. Contarino; S. Guglielmino; B. De Pontieu; D. Cardini; A. Chieffi; A. Milillo; A. Mura; E. De Angelis; V. Mangano; S. Selci; S. Criscuoli; F. Giorgi; F. Alimenti; V. Palazzari; L. Biferale; S. Cantarano; D. Del Moro; A. Egidi; V. Penza; R. Piazzesi; M. Stangalini; M. Vantaggiato; B. Viticchiè; M. Casolino; C. De Santis; R. Sparvoli. - STAMPA. - (2010), pp. 773142-773142-9. [10.1117/12.856617]
The telescope and the double Fabry-Pérot interferometer for the ADAHELI solar space mission.
VELLI, MARCO;ROMOLI, MARCO;LANDI, SIMONE;
2010
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.
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