Computer Science – Performance
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...21114009s&link_type=abstract
American Astronomical Society, AAS Meeting #211, #140.09; Bulletin of the American Astronomical Society, Vol. 39, p.990
Computer Science
Performance
Scientific paper
LISA Pathfinder is an ESA mission designed to pave the way for the joint ESA/NASA Laser Interferometer Space Antenna (LISA) mission by testing in flight the critical technologies required for space-borne gravitational wave detection. It will put two test masses in a near-perfect gravitational free-fall and measure their motion with unprecedented accuracy.
LISA Pathfinder will carry two technology payloads, the European provided LISA Technology Package (LTP), and the NASA provided Disturbance Reduction System (DRS), also known as the ST-7 mission of the New Millennium Program. The LTP comprises two inertial sensors, high precision laser metrology, drag-free control and an ultra-precise micro-Newton propulsion system. The DRS consists of a drag-free control system and a micro-Newton propulsion system. The DRS will use the LTP inertial sensors, each of which has a proof mass, reference housing with electrodes for capacitive sensing and actuation and discharging systems.
LISA Pathfinder is due to be launched in the first half of 2010, with first results on the performance of the system being available approx 6 months later.
This poster summarizes the mission concept and reports the progress in the last year, and the current status as the mission nears final integration. Many spacecraft subsystems have been delivered. Detailed planning for the orbital test sequences and development of the data reduction software has advanced significantly. Ground support equipment and test procedures for the spacecraft and payloads is also well along. Details of the LISA technology to be flight tested will be given.
LISA Pathfinder Science Team
Stebbins Robin Tuck
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