Scientific Results

The ADAHELI solar mission: Investigating the structure of Sun

Year: 2010

Authors: Berrilli F., Bigazzi A., Roselli L., Sabatini P., Velli M., Alimenti F., Cavallini F., Greco V., Moretti P. F., Orsini S., Romoli M., White S. M., Ascani, L., Carbone V., Curti F., Consolini G., Di Mauro M.P., Del Moro D., Egidi A., Ermolli I., Giordano S., Pastena M., Pulcino V., Pietropaolo E., Romano, P., Ventura P., Cauzzi G., Valdettaro L., Zuccarello F.

Autors Affiliation: Dipartimento di Fisica, Universita` \”Tor Vergata\”, Roma Italy; Altran Italia S.p.A., Roma Italy; Dipartimento di Ingegneria Elettronica e dell\’Informazione, Universita` di Perugia, Perugia Italy; Carlo Gavazzi Space S.p.A., Milano Italy; Jet Propulsion Laboratory, California Institute of technology USA; I.N.A.F. – Osservatorio Astrofisico di Arcetri, Firenze Italy; C.N.R. – I.N.O.A. Firenze Italy; Headquarters C.N.R., Roma Italy; I.N.A.F. – I.F.S.I., Roma Italy; Dipartimento di Astronomia e Scienza dello Spazio, Universita` di Firenze, Firenze Italy; Departement of Astronomy, University of Maryland, College Park, MD USA; Dip. di Fisica, Universita della Calabria; School of Aerospace Engineering University of Rome La Sapienza; INAF-IFSI, Roma; INAF- Istituto di Astrofisica Spaziale e Fisica Cosmica, Roma; Dip. di Fisica, Universita` di Roma “Tor Vergata”; INAF-Osservatorio Astronomico di Roma; Dip. di Fisica, Universita dell’Aquila; INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica, Roma; INAF Osservatorio Astronomico di Roma; INAF-Osservatorio Astronomico di Arcetri, Firenze; Dip. Matematica, Politecnico di Milano; Dip. di Fisica e Astronomia, Universita` di Catania

Abstract: ADAHELI (ADvanced Astronomy for HELIophysics) is a small-class (500 kg) low-budget (50 MEuro) satellite mission for the study of the solar photosphere and the chromosphere and for monitoring solar flare emission. ADAHELI’s design has completed its Phase-A feasibility study in December 2008, in the framework of ASI’s (Agenzia Spaziale Italiana) 2007 “Small Missions” Program (calling for two missions at 50 MEeuros each, plus the launch budget). ADAHELI’s main purpose is to explore Sun’s lower atmosphere in the near-infrared, a region so far unexplored by solar observations from space. ADAHELI will carry out observations of the solar photosphere and of the chromosphere at high-temporal rate and high spatial and spectral resolutions. ADAHELI will contribute to the understanding of Space Weather through the study of particle acceleration during flares. A radiometer operating in the millimeter radio band will continuously monitor the solar disk, throughout the spacecraft’s life time. ADAHELI’s baseline instruments are a 50-cm high–resolution telescope operating in the visible and the near-infrared, and a lightweight full-disk radiometer operating at millimeter wavelengths (90 GHz).

Journal/Review: ADVANCES IN SPACE RESEARCH

Volume: 45 (10)      Pages from: 1191  to: 1202

KeyWords: Sun photosphere; Sun chromosphere; Space mission
DOI: 10.1016/j.asr.2010.01.026

Citations: 19
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English