The telescope and the double Fabry-Perot interferometer for the ADAHELI solar space mission

Year: 2010

Authors: Greco V., Cavallini F., Berrilli F., Velli M., Roselli L., Bigazzi A.,. Moretti P.F, Romoli M., Orsini S., Sabatini P., Carbone V., Consolini G., Di Mauro M.P., Ermolli I., Pietropaolo E., Romano P., Ventura P.; Valdettaro L., White S.M., Zuccarello F., Cauzzi G., Giammaria F., Reardon K., Briguglio R., Landi S., Vecchio A., Lepreti F., Sorriso-Valvo L., Contarino L., Guglielmino S., De Pontieu B., Cardini D., Chieffi A., Milillo A., Mura A., de Angelis E., Mangano V., Selci S., Criscuoli S., Giorgi F., Alimenti F., Palazzari V., Biferale L., Cantarano S., Del Moro D., Egidi A., Penza V., Piazzesi R., Stangalini M., Vantaggiato M., Viticchiè B., Casolino M., de Santis C., Sparvoli R.

Autors Affiliation: CNR – Istituto Nazionale di Ottica Applicata, Largo Enrico Fermi 6, 50125 Firenze, Italy; INAF – Osservatorio Astrofisico di Arcetri, Largo Enrico Fermi 6, 50125 Firenze, Italy; Dipartimento di Fisica, Università di Roma Tor Vergata, Via Ricerca Scientifica, 00133 Rome, Italy

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.


Volume: 7731      Pages from: 773142  to: 773142

KeyWords: solar space mission; Fabry-Perot interferometer;
DOI: 10.1117/12.856617

Citations: 6
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