Enrichment of heavy nitrogen in Titan's HC3N detected using ALMA

• Main Authors: Cordiner, M., Nixon, C. A., Charnley, S. B., Teanby, N. A., Molter, E. M., Kisiel, Z., Vuitton, V.
• Other Authors: NASA Goddard Space Flight Center (GSFC), School of Earth Sciences Bristol, University of Bristol Bristol, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG ), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes 2016-2019 (UGA 2016-2019 )-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes 2016-2019 (UGA 2016-2019 )
• Format: Conference Object
• Language: English
• Published: HAL CCSD 2018
• Subjects: 5210 Planetary atmospheres; clouds; and hazes; PLANETARY SCIENCES: ASTROBIOLOGYDE: 5215 Origin of life; PLANETARY SCIENCES: ASTROBIOLOGYDE: 5749 Origin and evolution; PLANETARY SCIENCES: FLUID PLANETSDE: 6281 Titan; PLANETARY SCIENCES: SOLAR SYSTEM OBJECTS; [PHYS.ASTR.EP]Physics [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP]; North Pole; South Pole; Titan; South pole
• Online Access: https://hal.science/hal-02387142

International audience Trace isotopic ratios contain unique information on the chemical histories of atmospheric gases. From the combined efforts of previous ground and space-based sub-mm and infrared observations, Titan's atmospheric HCN has been found to be substantially enriched in 15N compa...