Mathematics – Logic
Scientific paper
Sep 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996dps....28.0315s&link_type=abstract
American Astronomical Society, DPS meeting #28, #03.15; Bulletin of the American Astronomical Society, Vol. 28, p.1067
Mathematics
Logic
Scientific paper
On July 4th 1997, the Mars Pathfinder spacecraft will enter the martian atmosphere, land in the Ares Vallis region, and obtain the first in-situ measurements of the atmosphere and surface since the Viking mission more than 20 years ago. In addition to a Stereo Imager and an Alpha Proton X-Ray spectrometer, the Pathfinder Lander will carry an Atmospheric Structure and Meteorology (ASI/MET) experiment designed to study the atmosphere during the entry, descent, and landed phases of the mission. The ASI/MET package consists of 3 accelerometers, 4 thermocouple temperature sensors, a Tavis pressure sensor, and a 6-sector hot-wire wind sensor. The sensitivity limits of these instruments are respectively 2 micro g, 0.01 K, 0.25 micro bars, and 0.04 K. Measurements of deceleration in 3-orthogonal axes during entry will be used to determine a density, pressure, temperature profile for the upper atmosphere from 15-150 km, and direct measurements of temperature and pressure in the lower atmosphere will be made as the lander descends on its parachute. After landing, surface pressure measurements will continue and a meteorological mast will deploy. From this mast, atmospheric temperature will be measured 0.25, 0.5, & 1.0 m above the surface, and wind speed and direction will be determined at 1.1 m. Landed data will be acquired continuously for 1 year. Pathfinder is expected to make a significant contribution to Mars atmospheric science. It will provide a third in-situ atmospheric profile at a different season and local time to the earlier Viking profiles, and its surface observations will generate a climate record at the landing site with an order of magnitude better resolution than Viking. Because measurements will be made at different altitudes, they will also allow superior characterization of the martian surface boundary layer.
Barnes Joshua
Crisp Dave
Haberle Robert
Labaw Clayton C.
Mahoney Christine
No associations
LandOfFree
The Mars Pathfinder ASI/MET Investigation does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with The Mars Pathfinder ASI/MET Investigation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The Mars Pathfinder ASI/MET Investigation will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1460800