Search for organic matter at Mars with combined measurements of the SAM and ChemCam instruments onboard the Curiosity rover - Archive ouverte HAL Access content directly
Conference Papers Year : 2015

Search for organic matter at Mars with combined measurements of the SAM and ChemCam instruments onboard the Curiosity rover

(1) , (2) , (2) , (3) , (2) , (2) , (2) , (1) , (4)
1
2
3
4

Abstract

Since 2012, he Curiosity rover on Mars seeks clues of habitability in Gale crater. One of these clues is the presence of organic matter. For the moment, only a few traces of organic matter was recently found with the SAM experiment. We propose here to evaluate the capabilities for the ChemCam experiment to detect organic molecules from its elemental analysis of the Mars regolith or rocks. The first results obtained in laboratory with the ChemCam spare model and different samples show that it is possible to detect organic signatures with LIBS, focusing on atomic carbon, hydrogen and nitrogen peaks, and on a C-N molecular peak when the samples are enriched in organic molecules (100- 10 wt%). We currently work with Mars representative samples to determine the instrument detection limit for organics, in order to determine if it can be used to guide Curiosity towards interesting outcrops.
Not file

Dates and versions

insu-01213354 , version 1 (08-10-2015)

Identifiers

  • HAL Id : insu-01213354 , version 1

Cite

T. Dequaire, P-Y. Meslin, W. Rapin, M. Jaber, S. Maurice, et al.. Search for organic matter at Mars with combined measurements of the SAM and ChemCam instruments onboard the Curiosity rover. European Planetary Science Congress 2015, Sep 2015, Nantes, France. pp.EPSC2015-214. ⟨insu-01213354⟩
151 View
0 Download

Share

Gmail Facebook Twitter LinkedIn More