Published 2022
| Version v1
Journal article
COSAC's Only Gas Chromatogram Taken on Comet 67P/Churyumov‐Gerasimenko
Contributors
Others:
- Institut de Chimie de Nice (ICN) ; Université Nice Sophia Antipolis (1965 - 2019) (UNS)-Institut de Chimie - CNRS Chimie (INC-CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Côte d'Azur (UCA)
- Institute for Applied and Physical Chemistry [Bremen] (IAPC) ; University of Bremen
- PLANETO - LATMOS ; Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS) ; Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)
- Laboratoire d'études spatiales et d'instrumentation en astrophysique = Laboratory of Space Studies and Instrumentation in Astrophysics (LESIA) ; Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris ; Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)
- Earth-Life Science Institute [Tokyo] (ELSI) ; Tokyo Institute of Technology [Tokyo] (TITECH)
- Research and Information System for Developing Countries
- Max-Planck-Institut für Sonnensystemforschung = Max Planck Institute for Solar System Research (MPS) ; Max-Planck-Gesellschaft
- University of Houston [Clear Lake]
- Centro de Astrobiologia [Madrid] (CAB) ; Instituto Nacional de Técnica Aeroespacial (INTA)-Consejo Superior de Investigaciones Cientificas = Spanish National Research Council (CSIC)
- Laboratoire Interuniversitaire des Systèmes Atmosphériques (LISA (UMR_7583)) ; Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)
- Geophysical Laboratory [Carnegie Institution] ; Carnegie Institution for Science
- Deutsches Zentrum für Luft- und Raumfahrt [Köln] (DLR)
- ANR-15-IDEX-0001,UCA JEDI,Idex UCA JEDI(2015)
- ANR-18-CE29-0004,AAAs,L'Asymétrie des Acides Aminés(2018)
Description
The Philae lander of the Rosetta space mission made a non‐nominal landing on comet 67P/Churyumov‐Gerasimenko on November 12, 2014. Shortly after, using the limited power available from Philae's batteries, the COSAC instrument performed a single 18‐minutes gas chromatogram, which has remained unpublished until now due to the lack of identifiable elution. This work shows that, despite the unsuccessful drilling of the comet and deposition of surface material in the SD2 ovens, the measurements from the COSAC instrument were executed nominally. We describe an automated search for extremely small deviations from noise and discuss the possibility of a signal from ethylene glycol at m/z 31. Arguments for and against this detection are listed, but the results remain inconclusive. Still, the successful operations of an analytical chemistry laboratory on a cometary nucleus gives great hope for the future of space exploration.
Abstract
International audienceAdditional details
Identifiers
- URL
- https://hal.science/hal-04266821
- URN
- urn:oai:HAL:hal-04266821v1
Origin repository
- Origin repository
- UNICA