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SIMBIO-SYS: Scientific Cameras and Spectrometer for the BepiColombo Mission

Gabriele Cremonese 1 F. Capaccioni 2 M. Capria 2 A. Doressoundiram 3 P. Palumbo 4 M. Vincendon 5 M. Massironi 6 S. Debei 7 M. Zusi 2 F. Altieri 2 M. Amoroso 8 G. Aroldi 9 M. Baroni 9 A. Barucci 3 G. Bellucci 2 J. Benkhoff 10 S. Besse 11 C. Bettanini 7 M. Blecka 12 D. Borrelli 9 J. R. Brucato 13 C. Carli 2 V. Carlier 5 P. Cerroni 2 A. Cicchetti 14 L. Colangeli 10 M. Dami 9 V. da Deppo 15 V. Della Corte 2 M. C de Sanctis 2 S. Erard 3 F. Esposito 16 D. Fantinel 1 L. Ferranti 17 F. Ferri 7 I. Ficai veltroni 9 G. Filacchione 2 E. Flamini 18 G. Forlani 19 S. Fornasier 3 O. Forni 20 M. Fulchignoni 3 V. Galluzzi 2 K. Gwinner 21, 22 W. Ip 23 L. Jorda 24 Y. Langevin 5 L. Lara 25 François Leblanc 26 C. Leyrat 3 Y. Li 27 S. Marchi 28 L. Marinangeli 29 F. Marzari 30 E. Mazzotta epifani 31 M. Mendillo 32 V. Mennella 16 R. Mugnuolo 33 K. Muinonen 34, 35 G. Naletto 30 R. Noschese 2 E. Palomba 2 R. Paolinetti 9 D. Perna 31 G. Piccioni 2 R. Politi 2 F. Poulet 5 R. Ragazzoni 1 C. Re 1 M. Rossi 9 A. Rotundi 36 G. Salemi 37 M. Sgavetti 38 E. Simioni 1 N. Thomas 39 L. Tommasi 9 A. Turella 9 T. van Hoolst 40 L. Wilson 41 F. Zambon 2 A. Aboudan 7 O. Barraud 3 N. Bott 3 P. Borin 1 G. Colombatti 7 M. El yazidi 7 S. Ferrari 7 J. Flahaut 42 L. Giacomini 2 L. Guzzetta 2 A. Lucchetti 1 E. Martellato 36 M. Pajola 1 A. Slemer 43 G. Tognon 7 D. Turrini 2 
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
Abstract : The SIMBIO-SYS (Spectrometer and Imaging for MPO BepiColombo Integrated Observatory SYStem) is a complex instrument suite part of the scientific payload of the Mercury Planetary Orbiter for the BepiColombo mission, the last of the cornerstone missions of the European Space Agency (ESA) Horizon + science program. The SIMBIO-SYS instrument will provide all the science imaging capability of the BepiColombo MPO spacecraft. It consists of three channels: the STereo imaging Channel (STC), with a broad spectral band in the 400-950 nm range and medium spatial resolution (at best 58 m/px), that will provide Digital Terrain Model of the entire surface of the planet with an accuracy better than 80 m; the High Resolution Imaging Channel (HRIC), with broad spectral bands in the 400-900 nm range and high spatial resolution (at best 6 m/px), that will provide high-resolution images of about 20% of the surface, and the Visible and near-Infrared Hyperspectral Imaging channel (VIHI), with high spectral resolution (6 nm at finest) in the 400-2000 nm range and spatial resolution reaching 120 m/px, it will provide global coverage at 480 m/px with the spectral information, assuming the first orbit around Mercury with periherm at 480 km from the surface. SIMBIO-SYS will provide high-resolution images, the Digital Terrain Model of the entire surface, and the surface composition using a wide spectral range, as for instance detecting sulphides or material derived by sulphur and carbon oxidation, at resolutions and coverage higher than the MESSENGER mission with a full co-alignment of the three channels. All the data that will be acquired will allow to cover a wide range of scientific objectives, from the surface processes and cartography up to the internal structure, contributing to the libration experiment, and the surface-exosphere interaction. The global 3D and spectral mapping will allow to study the morphology and the composition of any surface feature. In this work, we describe the on-ground calibrations and the results obtained, providing an important overview of the instrument performances. The calibrations have been performed at channel and at system levels, utilizing specific setup in most of the cases realized for SIMBIO-SYS. In the case of the stereo camera (STC), it has been necessary to have a validation of the new stereo concept adopted, based on the push-frame. This work describes also the results of the Near-Earth Commissioning Phase performed few weeks after the Launch (20 October 2018). According to the calibration results and the first commissioning the three channels are working very well.
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Gabriele Cremonese, F. Capaccioni, M. Capria, A. Doressoundiram, P. Palumbo, et al.. SIMBIO-SYS: Scientific Cameras and Spectrometer for the BepiColombo Mission. Space Science Reviews, Springer Verlag, 2020, 216 (5), pp.75. ⟨10.1007/s11214-020-00704-8⟩. ⟨insu-02874145⟩



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