Curiosity's Mars Hand Lens Imager (MAHLI) investigation

Kenneth S. Edgett, R. Aileen Yingst, Michael A. Ravine, Michael A. Caplinger, Justin N. Maki, F. Tony Ghaemi, Jacob A. Schaffner, James Bell, Laurence J. Edwards, Kenneth E. Herkenhoff, Ezat Heydari, Linda C. Kah, Mark T. Lemmon, Michelle E. Minitti, Timothy S. Olson, Timothy J. Parker, Scott K. Rowland, Juergen Schieber, Robert J. Sullivan, Dawn Y. SumnerPeter C. Thomas, Elsa H. Jensen, John J. Simmonds, Aaron J. Sengstacken, Reg G. Willson, Walter Goetz

Research output: Contribution to journalArticle

92 Citations (Scopus)

Abstract

The Mars Science Laboratory (MSL) Mars Hand Lens Imager (MAHLI) investigation will use a 2-megapixel color camera with a focusable macro lens aboard the rover, Curiosity, to investigate the stratigraphy and grain-scale texture, structure, mineralogy, and morphology of geologic materials in northwestern Gale crater. Of particular interest is the stratigraphic record of a ∼5 km thick layered rock sequence exposed on the slopes of Aeolis Mons (also known as Mount Sharp). The instrument consists of three parts, a camera head mounted on the turret at the end of a robotic arm, an electronics and data storage assembly located inside the rover body, and a calibration target mounted on the robotic arm shoulder azimuth actuator housing. MAHLI can acquire in-focus images at working distances from ∼2.1 cm to infinity. At the minimum working distance, image pixel scale is ∼14 μm per pixel and very coarse silt grains can be resolved. At the working distance of the Mars Exploration Rover Microscopic Imager cameras aboard Spirit and Opportunity, MAHLI's resolution is comparable at ∼30 μm per pixel. Onboard capabilities include autofocus, auto-exposure, sub-framing, video imaging, Bayer pattern color interpolation, lossy and lossless compression, focus merging of up to 8 focus stack images, white light and longwave ultraviolet (365 nm) illumination of nearby subjects, and 8 gigabytes of non-volatile memory data storage.

Original languageEnglish (US)
Pages (from-to)259-317
Number of pages59
JournalSpace Science Reviews
Volume170
Issue number1-4
DOIs
StatePublished - Sep 2012

Fingerprint

mars
robot arms
Mars
pixels
cameras
lenses
data storage
pixel
robotics
turret
Mars exploration
color
stratigraphy
mineralogy
shoulders
craters
azimuth
infinity
interpolation
geological record

Keywords

  • Camera
  • Curiosity
  • Gale
  • MAHLI
  • Mars
  • Rover
  • Sediment

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Edgett, K. S., Yingst, R. A., Ravine, M. A., Caplinger, M. A., Maki, J. N., Ghaemi, F. T., ... Goetz, W. (2012). Curiosity's Mars Hand Lens Imager (MAHLI) investigation. Space Science Reviews, 170(1-4), 259-317. https://doi.org/10.1007/s11214-012-9910-4

Curiosity's Mars Hand Lens Imager (MAHLI) investigation. / Edgett, Kenneth S.; Yingst, R. Aileen; Ravine, Michael A.; Caplinger, Michael A.; Maki, Justin N.; Ghaemi, F. Tony; Schaffner, Jacob A.; Bell, James; Edwards, Laurence J.; Herkenhoff, Kenneth E.; Heydari, Ezat; Kah, Linda C.; Lemmon, Mark T.; Minitti, Michelle E.; Olson, Timothy S.; Parker, Timothy J.; Rowland, Scott K.; Schieber, Juergen; Sullivan, Robert J.; Sumner, Dawn Y.; Thomas, Peter C.; Jensen, Elsa H.; Simmonds, John J.; Sengstacken, Aaron J.; Willson, Reg G.; Goetz, Walter.

In: Space Science Reviews, Vol. 170, No. 1-4, 09.2012, p. 259-317.

Research output: Contribution to journalArticle

Edgett, KS, Yingst, RA, Ravine, MA, Caplinger, MA, Maki, JN, Ghaemi, FT, Schaffner, JA, Bell, J, Edwards, LJ, Herkenhoff, KE, Heydari, E, Kah, LC, Lemmon, MT, Minitti, ME, Olson, TS, Parker, TJ, Rowland, SK, Schieber, J, Sullivan, RJ, Sumner, DY, Thomas, PC, Jensen, EH, Simmonds, JJ, Sengstacken, AJ, Willson, RG & Goetz, W 2012, 'Curiosity's Mars Hand Lens Imager (MAHLI) investigation', Space Science Reviews, vol. 170, no. 1-4, pp. 259-317. https://doi.org/10.1007/s11214-012-9910-4
Edgett KS, Yingst RA, Ravine MA, Caplinger MA, Maki JN, Ghaemi FT et al. Curiosity's Mars Hand Lens Imager (MAHLI) investigation. Space Science Reviews. 2012 Sep;170(1-4):259-317. https://doi.org/10.1007/s11214-012-9910-4
Edgett, Kenneth S. ; Yingst, R. Aileen ; Ravine, Michael A. ; Caplinger, Michael A. ; Maki, Justin N. ; Ghaemi, F. Tony ; Schaffner, Jacob A. ; Bell, James ; Edwards, Laurence J. ; Herkenhoff, Kenneth E. ; Heydari, Ezat ; Kah, Linda C. ; Lemmon, Mark T. ; Minitti, Michelle E. ; Olson, Timothy S. ; Parker, Timothy J. ; Rowland, Scott K. ; Schieber, Juergen ; Sullivan, Robert J. ; Sumner, Dawn Y. ; Thomas, Peter C. ; Jensen, Elsa H. ; Simmonds, John J. ; Sengstacken, Aaron J. ; Willson, Reg G. ; Goetz, Walter. / Curiosity's Mars Hand Lens Imager (MAHLI) investigation. In: Space Science Reviews. 2012 ; Vol. 170, No. 1-4. pp. 259-317.
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