Telltale wind indicator for the Mars Phoenix lander

The Telltale wind indicator is a mechanical anemometer designed to operate on the Martian surface as part of the meteorological package on the NASA Phoenix lander. It consists of a lightweight cylinder suspended by Kevlar fibers and is deflected under the action of wind. Imaging of the Telltale defl...

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Bibliographic Details
Published in:Journal of Geophysical Research. E. Planets 2008-03, Vol.113 (E3), p.n/a
Main Authors: Gunnlaugsson, H. P., Holstein-Rathlou, C., Merrison, J. P., Knak Jensen, S., Lange, C. F., Larsen, S. E., Madsen, M. B., Nørnberg, P., Bechtold, H., Hald, E., Iversen, J. J., Lange, P., Lykkegaard, F., Rander, F., Lemmon, M., Renno, N., Taylor, P., Smith, P.
Format: Article
Language:English
Subjects:
Mars
Phoenix
wind
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Summary:The Telltale wind indicator is a mechanical anemometer designed to operate on the Martian surface as part of the meteorological package on the NASA Phoenix lander. It consists of a lightweight cylinder suspended by Kevlar fibers and is deflected under the action of wind. Imaging of the Telltale deflection allows the wind speed and direction to be quantified and image blur caused by its oscillations provides information about wind turbulence. The Telltale will primarily support surface operations by documenting the wind conditions to improve the efficiency of sample delivery to instruments on the lander deck. During the latter stages of the mission the Telltale investigation will focus on meteorological studies.
ISSN:0148-0227
2156-2202
DOI:10.1029/2007JE003008