The Mars Phoenix MET Pressure Sensor - Technical Implementation, Quality of Data and Data Processing

Details The Mars Phoenix MET Pressure Sensor - Technical Implementation, Quality of Data and Data Processing The Mars Phoenix MET Pressure Sensor - Technical Implementation, Quality of Data and Data Processing

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agusm.p23a..03k&link_type=abstract

American Geophysical Union, Spring Meeting 2009, abstract #P23A-03

Mathematics

Logic

5405 Atmospheres (0343, 1060), 5445 Meteorology (3346), 5494 Instruments And Techniques, 6225 Mars

Scientific paper

Meteorological conditions on the landing site of the Mars Phoenix lander were monitored with the MET experiment, provided by Canadian Space Agency (CSA). The MET experiment includes a LIDAR, three temperature sensors and a pressure sensor. The Phoenix MET pressure sensor is provided by Finnish Meteorological Institute (FMI) and is based on technology developed by Vaisala corporate. Three Barocap sensor heads are used to measure pressure and two Thermocap sensor heads to measure housekeeping temperature. The engineering data measured by the Phoenix MET pressure sensor is introduced. This data includes sensor level tests, spacecraft level tests, measurements during the interplanetary cruise and health check measurements during the mission on Mars. The following characteristics of the sensor are determined using this data: resolution, repeatability, temperature dependence, stability, total accuracy and time constant. Data processing methods used to calculate corrected pressure readings from the raw data are introduced.

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