Mars Methane at Gale Crater Shows Strong Seasonal Cycle: Updated Results from TLS-SAM on Curiosity

Christopher R Webster1, Paul R Mahaffy2, Sushil K Atreya3, Gregory Flesch1, Charles Malespin2, Christopher McKay4, German Martinez5, John E Moores6, Christina L Smith7, F Javier Martin-Torres8,9, Javier Gomez-Elvira10, María-Paz Zorzano8,11, Michael H Wong3, Melissa G Trainer12, Jennifer L Eigenbrode13, Daniel Patrick Glavin14, Andrew Steele15, Paul Archer Jr.16, Brad Sutter17, Patrice J Coll18, Caroline Freissinet19, Pierre-Yves Meslin20, Alexander Pavlov13, Didier Keymeulen21, Lance E Christensen1, Raina V Gough22, Susanne P Schwenzer23, Rafael Navarro-Gonzalez24, Jorge Pla-García25, Scot CR Rafkin26, Álvaro Vicente-Retortillo3, Henrik Kahanpää27, Daniel Viudez-Moreiras28, Michael D Smith13, Ari-Matti Harri27, Maria Genzer27, Don Hassler29, Mark T Lemmon30, Joy A Crisp1, Richard W Zurek1 and Ashwin R Vasavada31, (1)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (2)NASA Goddard Space Flight Center, Greenbelt, United States, (3)University of Michigan, Ann Arbor, United States, (4)NASA Ames Research Center, Moffett Field, CA, United States, (5)University of Michigan, Ann Arbor, MI, United States, (6)York University, Earth & Space Science & Engineering, Toronto, ON, Canada, (7)York University, Toronto, ON, Canada, (8)Lulea University of Technology, Lulea, Sweden, (9)Instituto Andaluz de Ciencias de la Tierra, Granada, Spain, (10)Payload & Space Science Department. Insituto Nacional de Técnica Aeroespacial (INTA), Madrid, Spain, (11)Centro de Astrobiología (CSIC-INTA), Torrejón de Ardoz, Spain, (12)NASA Goddard Space Flight Center, Planetary Environments Laboratory, Greenbelt, United States, (13)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (14)NASA Goddard Space Flight Center, Solar System Exploration Division, Greenbelt, United States, (15)Carnegie Science, Earth and Planets Laboratory, Washington, United States, (16)Jacobs Technology, NASA Johnson Space Center, Houston, TX, United States, (17)Amentum, NASA Johnson Space Center, Houston, United States, (18)LISA, Creteil Cedex, France, (19)LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales, Paris Cedex 05, France, (20)Institut de Recherche en Astrophysique et Planétologie (IRAP), Toulouse, France, (21)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (22)University of Colorado, Boulder, CO, United States, (23)Open University, AstrobiologyOU, Milton Keynes, United Kingdom, (24)Universidad Nacional Autonoma de Mexico, Instituto de Ciencias Nucleares, Mexico City, DF, Mexico, (25)Centro de Astrobiología, Torrejon de Ardoz, Spain, (26)Southwest Research Institute Boulder, Boulder, CO, United States, (27)Finnish Meteorological Inst, Helsinki, Finland, (28)Centro de Astrobiología (CSIC-INTA), BOISE, Spain, (29)Southwest Research Institute, Boulder, United States, (30)Space Science Institute, Boulder, United States, (31)Jet Propulsion Laboratory, Pasadena, CA, United States