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  No detection of methane on Mars from early ExoMars Trace Gas Orbiter observations

Korablev, O., Vandaele, A. C., Montmessin, F., Fedorova, A. A., Trokhimovskiy, A., Forget, F., et al. (2019). No detection of methane on Mars from early ExoMars Trace Gas Orbiter observations. Nature, 568, 517-520. doi:10.1038/s41586-019-1096-4.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-5FD0-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-693B-3
Genre: Journal Article

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Korablev, Oleg, Author
Vandaele, Ann Carine, Author
Montmessin, Franck, Author
Fedorova, Anna A., Author
Trokhimovskiy, Alexander, Author
Forget, François, Author
Lefèvre, Franck, Author
Daerden, Frank, Author
Thomas, Ian R., Author
Trompet, Loïc, Author
Erwin, Justin T., Author
Aoki, Shohei, Author
Robert, Séverine, Author
Neary, Lori, Author
Viscardy, Sébastien, Author
Grigoriev, Alexey V., Author
Ignatiev, Nikolay I., Author
Shakun, Alexey, Author
Patrakeev, Andrey, Author
Belyaev, Denis A., Author
Bertaux, Jean-Loup, AuthorOlsen, Kevin S., AuthorBaggio, Lucio, AuthorAlday, Juan, AuthorIvanov, Yuriy S., AuthorRistic, Bojan, AuthorMason, Jon, AuthorWillame, Yannick, AuthorDepiesse, Cédric, AuthorHetey, Laszlo, AuthorBerkenbosch, Sophie, AuthorClairquin, Roland, AuthorQueirolo, Claudio, AuthorBeeckman, Bram, AuthorNeefs, Eddy, AuthorPatel, Manish R., AuthorBellucci, Giancarlo, AuthorLópez-Moreno, Jose-Juan, AuthorWilson, Colin F., AuthorEtiope, Giuseppe, AuthorZelenyi, Lev, AuthorSvedhem, Håkan, AuthorACS, Jorge L. Vago & The, AuthorTeams, NOMAD Science, AuthorKorablev, Oleg, AuthorVandaele, Ann Carine, AuthorMontmessin, Franck, AuthorFedorova, Anna A., AuthorTrokhimovskiy, Alexander, AuthorForget, François, AuthorLefèvre, Franck, AuthorDaerden, Frank, AuthorThomas, Ian R., AuthorTrompet, Loïc, AuthorErwin, Justin T., AuthorAoki, Shohei, AuthorRobert, Séverine, AuthorNeary, Lori, AuthorViscardy, Sébastien, AuthorGrigoriev, Alexey V., AuthorIgnatiev, Nikolay I., AuthorShakun, Alexey, AuthorPatrakeev, Andrey, AuthorBelyaev, Denis A., AuthorBertaux, Jean-Loup, AuthorOlsen, Kevin S., AuthorBaggio, Lucio, AuthorAlday, Juan, AuthorIvanov, Yuriy S., AuthorRistic, Bojan, AuthorMason, Jon, AuthorWillame, Yannick, AuthorDepiesse, Cédric, AuthorHetey, Laszlo, AuthorBerkenbosch, Sophie, AuthorClairquin, Roland, AuthorQueirolo, Claudio, AuthorBeeckman, Bram, AuthorNeefs, Eddy, AuthorPatel, Manish R., AuthorBellucci, Giancarlo, AuthorLópez-Moreno, Jose-Juan, AuthorWilson, Colin F., AuthorEtiope, Giuseppe, AuthorZelenyi, Lev, AuthorSvedhem, Håkan, AuthorVago, Jorge L., AuthorAlonso-Rodrigo, Gustavo, AuthorAltieri, Francesca, AuthorAnufreychik, Konstantin, AuthorArnold, Gabriele, AuthorBauduin, Sophie, AuthorBolsée, David, AuthorCarrozzo, Giacomo, AuthorClancy, R. Todd, AuthorCloutis, Edward, AuthorCrismani, Matteo, AuthorDa Pieve, Fabiana, AuthorD’Aversa, Emiliano, AuthorDuxbury, Natalia, AuthorEncrenaz, Therese, AuthorFouchet, Thierry, AuthorFunke, Bernd, AuthorFussen, Didier, AuthorGarcia-Comas, Maia, AuthorGérard, Jean-Claude, AuthorGiuranna, Marco, AuthorGkouvelis, Leo, AuthorGonzalez-Galindo, Francisco, AuthorGrassi, Davide, AuthorGuerlet, Sandrine, AuthorHartogh, Paul1, Author              Holmes, James, AuthorHubert, Benoît, AuthorKaminski, Jacek, AuthorKaratekin, Ozgur, AuthorKasaba, Yasumasa, AuthorKass, David, AuthorKhatuntsev, Igor, AuthorKleinbohl, Armin, AuthorKokonkov, Nikita, AuthorKrasnopolsky, Vladimir, AuthorKuzmin, Ruslan, AuthorLacombe, Gaétan, AuthorLanciano, Orietta, AuthorLellouch, Emmanuel, AuthorLewis, Stephen, AuthorLuginin, Mikhail, AuthorLiuzzi, Giuliano, AuthorLópez-Puertas, Manuel, AuthorLópez-Valverde, Miguel, AuthorMäättänen, Anni, AuthorMahieux, Arnaud, AuthorMarcq, Emmanuel, AuthorMartin-Torres, Javier, AuthorMaslov, Igor, AuthorMedvedev, Alexander S.1, Author              Moshkin, Boris, AuthorMumma, Michael J., AuthorNakagawa, Hiromu, AuthorNovak, Robert E., AuthorOliva, Fabrizio, AuthorPatsaev, Dmitry, AuthorPiccialli, Arianna, AuthorQuantin-Nata, Cathy, AuthorRenotte, Etienne, AuthorRitter, Birgit, AuthorRodin, Alexander, AuthorSchmidt, Frédéric, AuthorSchneider, Nick, AuthorShematovich, Valery, AuthorSmith, Michael D., AuthorTeanby, Nicholas A., AuthorThiemann, Ed, AuthorThomas, Nicolas, AuthorAuwera, Jean Vander, AuthorVazquez, Luis, AuthorVillanueva, Geronimo, AuthorVincendon, Matthieu, AuthorWhiteway, James, AuthorWilquet, Valérie, AuthorWolff, Michael J., AuthorWolkenberg, Paulina, AuthorYelle, Roger, AuthorZasova, Ludmila , AuthorZorzano, Maria Paz, Author more..
Affiliations:
1Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832288              

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 MPIS_PROJECTS: Trace Gases
 Abstract: The detection of methane on Mars has been interpreted as indicating that geochemical or biotic activities could persist on Mars today1. A number of different measurements of methane show evidence of transient, locally elevated methane concentrations and seasonal variations in background methane concentrations2,3,4,5. These measurements, however, are difficult to reconcile with our current understanding of the chemistry and physics of the Martian atmosphere6,7, which—given methane’s lifetime of several centuries—predicts an even, well mixed distribution of methane1,6,8. Here we report highly sensitive measurements of the atmosphere of Mars in an attempt to detect methane, using the ACS and NOMAD instruments onboard the ESA-Roscosmos ExoMars Trace Gas Orbiter from April to August 2018. We did not detect any methane over a range of latitudes in both hemispheres, obtaining an upper limit for methane of about 0.05 parts per billion by volume, which is 10 to 100 times lower than previously reported positive detections2,4. We suggest that reconciliation between the present findings and the background methane concentrations found in the Gale crater4 would require an unknown process that can rapidly remove or sequester methane from the lower atmosphere before it spreads globally.

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Language(s): eng - English
 Dates: 2019-04-112019
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1038/s41586-019-1096-4
 Degree: -

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Title: Nature
  Abbreviation : Nature
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 568 Sequence Number: - Start / End Page: 517 - 520 Identifier: ISSN: 0028-0836
CoNE: https://pure.mpg.de/cone/journals/resource/954925427238