Physics – Instrumentation and Detectors
Scientific paper
2011-05-25
Physics
Instrumentation and Detectors
10 pages, 9 figures
Scientific paper
The Gravity Advanced Packaged is an instrument composed of an electrostatic accelerometer MicroSTAR and a rotating stage aiming at measuring with no bias the spacecraft non-gravitational acceleration to test gravitation during interplanetary missions. To do so, the accelerometer is rotated such that post-processing allows separating the signal from the bias. Given the characteristic of MicroSTAR, it is possible to reach a precision of 1 pm.s$^{-2}$ on the acceleration for an integration time of three hours.
Christophe Bruno
Lenoir Benjamin
Reynaud Serge
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