The CUbesat Solar Polarimeter (CUSP): mission overview II
Sergio Fabiani, Ettore Del Monte, Andrea Alimenti, Riccardo Campana, Mauro Centrone, Enrico Costa, Nicolas De Angelis, Giovanni De Cesare, Sergio Di Cosimo, Giuseppe Di Persio, Abhay Kumar, Alessandro Lacerenza, Pasqualino Loffredo, Giovanni Lombardi, Lorenzo Marra

TL;DR
The CUSP CubeSat mission aims to measure solar flare polarization in hard X-ray to study magnetic reconnection and particle acceleration, with current design and performance analysis reported.
Contribution
This paper provides an overview of the current status, design, and scientific performance of the CUSP solar polarimeter CubeSat mission.
Findings
Mission design and analysis completed
Payload scientific performance evaluated
Phase B development underway
Abstract
The CUbesat Solar Polarimeter (CUSP) project is an Earth-orbiting CubeSat mission designed to measure the linear polarization of solar flares in the hard X-ray band using a Compton scattering polarimeter. CUSP will enable the study of magnetic reconnection and particle acceleration within the Sun's flaring magnetic structures. This project is being developed within the framework of the Italian Space Agency's Alcor Program, which aims to foster new CubeSat missions. CUSP entered its Phase B in December 2024, a phase scheduled to last 12 months. This paper reports on the current status of the CUSP mission design, mission analysis, and payload scientific performance.
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Taxonomy
TopicsSolar and Space Plasma Dynamics · Ionosphere and magnetosphere dynamics · Earthquake Detection and Analysis
