Magnetic properties experiments and the Surface Stereo Imager calibration target onboard the Mars Phoenix 2007 Lander: Design, calibration, and science goals

K. Leer, P. Bertelsen, C. S. Binau, L. Djernis Olsen, L. Drube, T. V. Falkenberg, M. P. Haspang, M. B. Madsen, M. Olsen, H. Sykulska, S. Vijendran, W. T. Pike, U. Staufer, D. Parrat, M. Lemmon, M. H. Hecht, C. T. Mogensen, M. A. Gross, W. Goetz, J. MarshallD. Britt, Peter Smith, C. Shinohara, P. Woida, R. Woida, R. Tanner, R. Reynolds, A. Shaw

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The first NASA scout mission to Mars, Phoenix, launched 4 August will land in the northern part of Mars in the locality of 68°N and 233°E on 25 May 2008. Part, of the science payload is the Magnetic Properties Experiments (MPE) that consists of two main experiments: the Improved Sweep Magnet Experiment (ISWEEP) and 10 sets of two Microscopy, Electrochemistry, and Conductivity Analyzer (MECA) magnet substrates with embedded permanent magnets of different strength. The ISWEEP experiment is, as the name indicates, an improved version of the Sweep Magnet Experiments flown onboard the two Mars Exploration Rovers (MERs) Spirit and Opportunity. The sweep magnet is ring shaped and is designed to allow only nonmagnetic particles to enter a small circular area at the center of the surface of this structure. Results from this experiment have shown that on the MERs hardly any particles can be detected in the central area of this ring-shaped magnet. From this we have concluded that essentially all particles in the Martian atmosphere are magnetic in the sense that they are attracted to permanent magnets. In order to improve the sensitivity of the Sweep Magnet Experiment for detection of nonmagnetic or very weakly magnetic particles, the ISWEEP holds six ring-shaped magnets, somewhat larger than the sweep magnet of the MERs, and with six different background colors in the central area. The six different colors provide new possibilities for improved contrast between these background colors, i.e., any putative nonmagnetic particles should render these more easily detectable. The Surface Stereo Imager will also take advantage of the small clean areas in the ISWEEPs and use the presumably constant colors for radiometric calibration of images. The MECA magnets work as substrates in the MECA microscopy experiments; they are built to attract and hold magnetic particles from dust samples. The collected dust will then be examined by the optical microscope and the atomic force microscope in the MECA package.

Original languageEnglish (US)
Article numberE00A16
JournalJournal of Geophysical Research: Space Physics
Volume114
Issue number3
DOIs
StatePublished - Mar 20 2009

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Phoenix Mars Lander
magnetic property
Image sensors
Magnets
Mars
Magnetic properties
magnets
Calibration
magnetic properties
calibration
electrochemistry
microscopy
Electrochemistry
experiment
Experiments
Microscopic examination
Mars exploration
conductivity
analyzers
Color

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science

Cite this

Magnetic properties experiments and the Surface Stereo Imager calibration target onboard the Mars Phoenix 2007 Lander : Design, calibration, and science goals. / Leer, K.; Bertelsen, P.; Binau, C. S.; Djernis Olsen, L.; Drube, L.; Falkenberg, T. V.; Haspang, M. P.; Madsen, M. B.; Olsen, M.; Sykulska, H.; Vijendran, S.; Pike, W. T.; Staufer, U.; Parrat, D.; Lemmon, M.; Hecht, M. H.; Mogensen, C. T.; Gross, M. A.; Goetz, W.; Marshall, J.; Britt, D.; Smith, Peter; Shinohara, C.; Woida, P.; Woida, R.; Tanner, R.; Reynolds, R.; Shaw, A.

In: Journal of Geophysical Research: Space Physics, Vol. 114, No. 3, E00A16, 20.03.2009.

Research output: Contribution to journalArticle

Leer, K, Bertelsen, P, Binau, CS, Djernis Olsen, L, Drube, L, Falkenberg, TV, Haspang, MP, Madsen, MB, Olsen, M, Sykulska, H, Vijendran, S, Pike, WT, Staufer, U, Parrat, D, Lemmon, M, Hecht, MH, Mogensen, CT, Gross, MA, Goetz, W, Marshall, J, Britt, D, Smith, P, Shinohara, C, Woida, P, Woida, R, Tanner, R, Reynolds, R & Shaw, A 2009, 'Magnetic properties experiments and the Surface Stereo Imager calibration target onboard the Mars Phoenix 2007 Lander: Design, calibration, and science goals', Journal of Geophysical Research: Space Physics, vol. 114, no. 3, E00A16. https://doi.org/10.1029/2007JE003014
Leer, K. ; Bertelsen, P. ; Binau, C. S. ; Djernis Olsen, L. ; Drube, L. ; Falkenberg, T. V. ; Haspang, M. P. ; Madsen, M. B. ; Olsen, M. ; Sykulska, H. ; Vijendran, S. ; Pike, W. T. ; Staufer, U. ; Parrat, D. ; Lemmon, M. ; Hecht, M. H. ; Mogensen, C. T. ; Gross, M. A. ; Goetz, W. ; Marshall, J. ; Britt, D. ; Smith, Peter ; Shinohara, C. ; Woida, P. ; Woida, R. ; Tanner, R. ; Reynolds, R. ; Shaw, A. / Magnetic properties experiments and the Surface Stereo Imager calibration target onboard the Mars Phoenix 2007 Lander : Design, calibration, and science goals. In: Journal of Geophysical Research: Space Physics. 2009 ; Vol. 114, No. 3.
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