JANUS. (Jovis, Amorum ac Natorum Undique Scrutator) Camera system for JUICE mission. First Team Meeting April 2014

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1 JANUS (Jovis, Amorum ac Natorum Undique Scrutator) Camera system for JUICE mission First Team Meeting 9-11 April 2014 Palazzo Santo Stefano piazza Antenore n. 3 Padova

2 1 st day, 9 April ( ) We will give an overview of the instrument, focusing on technical solutions, functionalities and performances Agenda Welcome addresses by local authorities and Astronomical Observatory Director, TBD/Turatto JUICE overview, Janus overview, Janus scientific objectives and requirements, Janus design review (focused on functionalities and performances): Optical design, Filter Wheel, OHU Thermo-mechanics, Detector, Proximity electronics, Main electronics, Radiation issue/modeling, Operations & data volume constraints, Ralf Jaumann Palumbo/Della Corte Harald Hoffmann / Gabriele Cremonese Davide Greggio Miguel Herranz Stefano Debei Mark Leese / Matt Soman Harald Michaelis Nicole Schmitz Vincenzo Della Corte Harald Hoffmann Mission design and mapping strategy, Harald Hoffmann / Pasquale Palumbo Calibration, performances modeling and processing techniques, Michele Zusi / Giorgio Gemignani Expected performances, NASA Europa Clipper, Elena Mazzotta Epifani / Harald Hoffmann / Pasquale Palumbo Jim Bell

TBD/Turatto JUICE overview, Janus overview, Janus scientific objectives and requirements, Janus design review (focused on functionalities and performances): Optical design, Filter Wheel, OHU

3 1 st day, 9 April (cont.; ) Team organization (reflecting ESA WGs): Pasquale Palumbo, Ralf Jaumann, Gabriele Cremonese, Harald Hoffmann We shall organize the JANUS team in WGs in order to properly support the techcnical team and the work of JUICE SWG / WGs #1 Geology of Icy Satellites and Io (including impact tectonics, cryovolcanism, Io volcanism, color variations, habitable zones and age determination as subgroups) #2 Cartography of Icy Satellites (including the stereo aspects, basemap generation, nomenclature as subgroups) #3 Physical Properties of Icy Satellites and Io (rotation, internal structure, photometry, magnet field / surfaces interactions) #4 Atmosphere (dynamical processes, cloud systems, instabilities, lightning; convective events) #5 Jovian System Aspects (exospheres, rings, small satellites). SWG and WGs activities and outcomes: reports from JANUS WG participants (???)

team and the work of JUICE SWG / WGs #1 Geology of Icy Satellites and Io (including impact tectonics, cryovolcanism, Io volcanism, color variations, habitable zones and age determination as

4 2 nd day, 10 April (9:00-16:00, including light lunch on-site) A parallel technical session can be organized in an adjacent room between 9:30 and 12:30 Scientific topics, JANUS contribution and related requirements & observation strategy: (on average, 15 minutes per topic, plus 5-10 minutes discussion) Cartography of Icy Satellites Thomas Roatsch Geologic Overview of Ganymede, Callisto and Europa Katrin Stephan Composition and synergies with spectrometer Federico Tosi Impact Structures on Ganymede, Callisto and Europa Tectonics on Ganymede, Callisto and Europa Cryovolcanism on Ganymede and Europa Possible Habitable Zones on Ganymede and Europa Surface Ages of the Galilean Satellites Rotation and Internal Structure of icy satellites Stereo Imaging with JANUS and Altimetry with GALA Geology of Io and Studies by JANUS Ernst Hauber Giuseppe Mitri Elena Martellato, Alice Lucchetti, Gabriele Cremonese Riccardo Pozzobon, Matteo Massironi Olga Prieto-Ballesteros Roland Wagner Klaus Gwinner Rosaly Lopes Monitoring the Atmosphere of Jupiter with JANUS Davide Grassi (with Alberto Adriani, Athena Coustenis, Amy Simon-Miller)

Europa Katrin Stephan Composition and synergies with spectrometer Federico Tosi Impact Structures on Ganymede, Callisto and Europa Tectonics on Ganymede, Callisto and Europa Cryovolcanism on Ganymede

5 2 nd day, 10 April (cont.) Astrometry from space missions: satellites dynamics Ring system science and observations Exospheres Studies by JANUS Simulation of the vapor plume on Europa General discussion and wrap-up Valéry Layney Carl Murray Nick Schneider Alice Lucchetti, N ick Schneider, Gabriele Cremonese Future activities, next meetings, AOB 16: social event: visit, aperitif & light Padova Astronomical Observatory

Studies by JANUS Simulation of the vapor plume on Europa General discussion and wrap-up Valéry Layney Carl

6 3 rd day, 11 April (9-14, including light lunch on-site and up to 16:00 to discuss AOB and specific topics ) Core team meeting on instrument development; we shall discuss: Review of S/S requirements specifciations (we shall define how to proceed here) Internal I/Fs definition: thermal and mechanical design of OHU (already starting on Thursday) Instrument development activities including TRL status and paln to TRL 5 - and schedule (discussion on activities on ALL S/Ss) IPRR results and preparation of the Instrument Consolidation Review, ICR (Sep to Oct TBC) inputs from ESA missing!!!

mechanical design of OHU (already starting on Thursday) Instrument development activities including TRL status and paln to TRL 5 - and schedule

2007 Pearson Education Inc., publishing as Pearson Addison-Wesley. The Jovian Planets

2007 Pearson Education Inc., publishing as Pearson Addison-Wesley. The Jovian Planets The Jovian Planets The Jovian planets are gas giants - much larger than Earth Sizes of Jovian Planets Planets get larger as they get more massive up to a point... Planets more massive than Jupiter are