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First results on Martian carbon monoxide from Herschel/HIFI observations

Hartogh, P. and Lis, D. C. and Blake, G. A. (2010) First results on Martian carbon monoxide from Herschel/HIFI observations. Astronomy and Astrophysics, 521 . Art. No. L48. ISSN 0004-6361.

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We report on the initial analysis of Herschel/HIFI carbon monoxide (CO) observations of the Martian atmosphere performed between 11 and 16 April 2010. We selected the (7–6) rotational transitions of the isotopes ^(13)CO at 771 GHz and C^(18)O and 768 GHz in order to retrieve the mean vertical profile of temperature and the mean volume mixing ratio of carbon monoxide. The derived temperature profile agrees within less than 5 K with general circulation model (GCM) predictions up to an altitude of 45 km, however, show about 12–15 K lower values at 60 km. The CO mixing ratio was determined as 980 ± 150 ppm, in agreement with the 900 ppm derived from Herschel/SPIRE observations in November 2009.

Item Type:Article
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URLURL TypeDescription DOIArticle
Lis, D. C.0000-0002-0500-4700
Blake, G. A.0000-0003-0787-1610
Additional Information:© 2010 ESO. Received 5 June 2010. Accepted 6 July 2010. Published online 01 October 2010. Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA. HIFI has been designed and built by a consortium of institutes and university departments from across Europe, Canada, and the United States under the leadership of SRON Netherlands Institute for Space Research, Groningen, The Netherlands, and with major contributions from Germany, France, and the US. Consortium members are: Canada: CSA, U. Waterloo; France: CESR, LAB, LERMA, IRAM; Germany: KOSMA, MPIfR, MPS; Ireland, NUI Maynooth; Italy: ASI, IFSI-INAF, Osservatorio Astrofisico di Arcetri-INAF; Netherlands: SRON, TUD; Poland: CAMK, CBK; Spain: Observatorio Astronomico Nacional (IGN), Centro de Astrobiologia (CSIC-INTA). Sweden: Chalmers University of Technology – MC2, RSS & GARD; Onsala Space Observatory; Swedish National Space Board, Stockholm University – Stockholm Observatory; Switzerland: ETH Zürich, FHNW; USA: Caltech, JPL, NHSC. HIPE is a joint development by the Herschel Science Ground Segment Consortium, consisting of ESA, the NASA Herschel Science Center, and the HIFI, PACS and SPIRE consortia. This development has been supported by national funding agencies: CEA, CNES, CNRS (France); ASI (Italy); DLR (Germany). Additional funding support for some instrument activities has been provided by ESA. Support for this work was provided by NASA through an award issued by JPL/Caltech. MIB, MB, and SS are supported by the Polish Ministry of Education and Science (MNiSW). DCL is supported by the NSF, award AST-0540882 to the Caltech Submillimeter Observatory.
Funding AgencyGrant Number
Commissariat à l’Energie Atomique (CEA)UNSPECIFIED
Centre National d'Études Spatiales (CNES)UNSPECIFIED
Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
Agenzia Spaziale Italiana (ASI)UNSPECIFIED
Deutsches Zentrum für Luft- und Raumfahrt (DLR)UNSPECIFIED
European Space Agency (ESA)UNSPECIFIED
Ministerstwo Nauki i Szkolnictwa Wyższego (MNiSW)UNSPECIFIED
Subject Keywords:planets and satellites: atmospheres; molecular processes; radiative transfer; submillimeter: general
Record Number:CaltechAUTHORS:20101216-113855536
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Official Citation:Hartogh, P., M. I. Błęcka, et al. (2010). "First results on Martian carbon monoxide from Herschel/HIFI observations*." A&A 521: L48.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:21400
Deposited By: Tony Diaz
Deposited On:17 Dec 2010 17:55
Last Modified:03 Oct 2019 02:23

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