CorMag - coronal magnetograph for the stratospheric Hemera mission

Silvano Fineschi; Gerardo Capobianco; Luca Zangrilli; Donata Bonino; Federico Landini; Davide Loreggia; Maurizio Pancrazzi; Roberto Susino; Alessandro Bemporad; Valeria Caracci; Francesco Amadori; Salvatore Caschera

doi:10.1117/12.2630866

29 August 2022 CorMag - coronal magnetograph for the stratospheric Hemera mission

Silvano Fineschi, Gerardo Capobianco, Luca Zangrilli, Donata Bonino, Federico Landini, Davide Loreggia, Maurizio Pancrazzi, Roberto Susino, Alessandro Bemporad, Valeria Caracci, Francesco Amadori, Salvatore Caschera

Author Affiliations +

Proceedings Volume 12184, Ground-based and Airborne Instrumentation for Astronomy IX; 121840W (2022) https://doi.org/10.1117/12.2630866
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

The Coronal Magnetograph - CorMag - experiment aims at studying the magnetic field topology of the solar corona. The direction of the coronal magnetic field vector would be derived from narrow-wavelength bandpass observations of the linearly polarized FeXIV line-emission (530.3 nm), interpreted through the "saturated" Hanle effect. CorMag will be a medium-duration, high-altitude balloon payload of the European Union-funded HEMERA Program. CorMag is an internally-occulted coronagraph whose design was derived from the externally-occulted, formation-flying ASPIICS coronagraph of the PROBA-3 ESA solar mission. The configuration for this mission will be illustrated, together with the expected polarization sensitivity. This mission is a demonstrator for future space-based coronagraphs with the capability of visible-light and infrared polarization measurements for coronal magnetic field diagnostics.

Conference Presentation

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Silvano Fineschi, Gerardo Capobianco, Luca Zangrilli, Donata Bonino, Federico Landini, Davide Loreggia, Maurizio Pancrazzi, Roberto Susino, Alessandro Bemporad, Valeria Caracci, Francesco Amadori, and Salvatore Caschera "CorMag - coronal magnetograph for the stratospheric Hemera mission", Proc. SPIE 12184, Ground-based and Airborne Instrumentation for Astronomy IX, 121840W (29 August 2022); https://doi.org/10.1117/12.2630866

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KEYWORDS

Coronagraphy

Magnetism

Polarization

Physics

Polarization analysis

Solar processes

Spatial resolution

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