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ADAHELI+: exploring the fast, dynamic Sun in the x-ray, optical, and near-infrared
Figure q. Sampling points for (a) Fe 617.3 nm and (b) Ca 854.2 nm lines in the case of standard spectro-polarimetric mode. Proposed sampling wavelengths are represented as triangles on the wavelength axis. The dashed line is the observed solar disk-center Fourier transform spectrometer spectrum.71; The solid line is the measured solar spectrum considering ISODY+ passband and a 1% of stray light contribution. The crosses mark the expected measures by the standard spectropolarimetric mode. ISODY+ passband (dotted line) has been estimated from the IBIS72; passband shape.
Abstract
Advanced Astronomy for Heliophysics Plus (ADAHELI+) is a project concept for a small solar and space weather mission with a budget compatible with an European Space Agency (ESA) S-class mission, including launch, and a fast development cycle. ADAHELI+ was submitted to the European Space Agency by a European-wide consortium of solar physics research institutes in response to the “Call for a small mission opportunity for a launch in 2017,” of March 9, 2012. The ADAHELI+ project builds on the heritage of the former ADAHELI mission, which had successfully completed its phase-A study under the Italian Space Agency 2007 Small Mission Programme, thus proving the soundness and feasibility of its innovative low-budget design. ADAHELI+ is a solar space mission with two main instruments: ISODY+: an imager, based on Fabry-Pe´rot interferometers, whose design is optimized to the acquisition of highest cadence, long-duration, multiline spec- tropolarimetric images in the visible/near-infrared region of the solar spectrum. XSPO: an x-ray polarimeter for solar flares in x-rays with energies in the 15 to 35 keV range. ADAHELI+ is capable of performing observations that cannot be addressed by other currently planned solar space missions, due to their limited telemetry, or by ground-based facilities, due to the problematic effect of the terrestrial atmosphere.
Last Revised: 2016 January 18th |