Stefano Pieraccini

Design, construction, and test of the Gas Pixel Detectors for the IXPE mission

L. Baldini, M. Barbanera, R. Bellazzini, R. Bonino et autres

Due to be launched in late 2021, the Imaging X-ray Polarimetry Explorer (IXPE) is a NASA Small Explorer mission designed to perform polarization measurements in the 2–8 keV band, complemented with imaging, spectroscopy and timing capabilities. At the heart of the focal …

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CHIME’s hyperspectral imaging spectrometer design result from phase A/B1

Peter Buschkamp, Bernhard Sang, P. T. Peacocke, Stefano Pieraccini et autres

CHIME, the Copernicus Hyperspectral Imaging Mission for the Environment, is one of the six High Priority Candidate Missions (HPCM) of the evolution in the Copernicus Space Component (CSC) foreseen in the mid-2020s that is proposed for further analysis. In this paper we …

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Onboard Data Reduction for Multispectral and Hyperspectral Images via Cloud Screening

Martina Cilia, Nicola Prette, Enrico Magli, Bernhard Sang et autres

In this paper we propose a lossless and lossy onboard compression algorithm for multispectral and hyperspectral images, based on the recent CCSDS-123.0-B-2 standard, which takes advantage of cloud screening in order to perform data volume reduction, by avoiding to transmit pixels that …

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The Imaging X-ray Polarimetry Explorer (IXPE): technical overview

Stephen L. O’Dell, L. Baldini, R. Bellazzini, Enrico Costa et autres

The Imaging X-ray Polarimetry Explorer (IXPE) will expand the information space for study of cosmic sources, by adding polarization to the properties (time, energy, and position) observed in x-ray astronomy. Selected in 2017 January as a NASA Astrophysics Small Explorer (SMEX) mission, …

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The PRISMA payload optomechanical design, a high performance instrument for a new hyperspectral mission

Demetrio Labate, Massimo Ceccherini, Andrea Cisbani, Vittorio De Cosmo et autres

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Requirements and design of a thermal high-resolution Earth mapper (THEMA) based on uncooled detectors

Peter Coppo, Enrico Battistelli, Marco Barilli, Giuseppe Basile et autres

The definition and preliminary design of a thermal imager for earth observation applications has been performed, justified by a thorough analysis of user requirements. A survey of international programmes and other sources have been used to derive the radiometric requirements at ground …

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