A NEW MAGNETO INDUCTIVE MAGNETOMETER TECHNOLOGY (CALLED MAGNET: MAGNETOMETER FOR GEOPHYSICAL AND NOISE-REDUCTION EXPERIMENT) ENABLES HIGH-QUALITY MAGNETIC MEASUREMENTS FOR GEOPHYSICAL STUDIES ON EUROPA S SURFACE FOR DETECTION OF LIQUID WATER INDUCED CURRENTS EUROPA-JOVIAN-SPACE ENVIRONMENT ULF WAVES FOR POSSIBLE PLUME DETECTION AND SEISMOMETER CALIBRATION. THE MAGNETOMETER CONSUMES<10 MW FITS ON A 3 X 4 CM BOARD AND CONSISTS OF A SIMPLE LR CIRCUIT TRIGGER AND OSCILLATOR AND THEREFORE IS INTRINSICALLY MORE RADIATION TOLERANT THAN TRADITIONAL MAGNETOMETER TECHNOLOGIES SINCE THE DESIGN DOES NOT HAVE AMPLIFIERS OR A/ D CONVERTERS. THE SENSOR AND ELECTRONICS CHIP ARE CO-LOCATED SO NO CABLING IS NEEDED ENABLING PLACEMENT ON OTHER LANDER INSTRUMENT OR SUB-SYSTEM BOARDS. BECAUSE BROADBAND FORCE-BALANCE SEISMIC SENSORS ARE SENSITIVE TO SURROUNDING MAGNETIC VARIATIONS WHICH ARE LIKELY PREVALENT ON THE SURFACE OF EUROPA MAGNET ALSO ENABLES VALIDATION OF SEISMIC READINGS IN ADDITION TO MAKING GEOPHYSICAL USEFUL MEASUREMENTS OF ULF AND EMIC WAVES AND INDUCED CURRENTS DUE TO WATER MOTION. THE LOW-NOISE HIGH-RESOLUTION UNIVERSITY OF MICHIGAN MAGNETO INDUCTIVE SENSOR IS CURRENTLY BEING DEVELOPED BY NASA HELIOSPHERIC TECHNOLOGY AND INSTRUMENT DEVELOPMENT FOR SCIENCE (HTIDES) AND SMALL SATELLITE TECHNOLOGY PROGRAM (SSTP) GRANTS AND ICEE 2 WILL ENABLE DESIGN AND ENVIRONMENTAL TESTING FOR POTENTIAL USE IN THE THERMAL AND RADIATION ENVIRONMENT OF EUROPA AND PACKAGING IN THE VAULT OR ELSEWHERE WITHIN THE LANDER. THE ICEE 2 APPROACH OF INSTRUMENT TEAMS WORKING TOGETHER WILL ENABLE CAREFUL MAGNETIC CLEANLINESS MODELING TO ENABLE A BOARD MOUNTED MAGNETOMETER TO PROVIDE GEOPHYSICALLY USEFUL MEASUREMENTS AND PROVIDE THE INSTRUMENT TEAMS EXPERTISE ON MAGNETIC CLEANLINESS DESIGN AND MAGNETIC SUSCEPTIBILITY TESTING OF THEIR INSTRUMENTS.
$908,637FY2020National Aeronautics and Space AdministrationNASA
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