Title: First results on Martian carbon monoxide from Herschel/HIFI observations
Authors: Hartogh, P ×
Blecka, M
Jarchow, C
Sagawa, H
Lellouch, E
de Val-Borro, M
Vandenbussche, Bart
Rengel, M
Blommaert, Joris
Medvedev, A. S
Decin, Leen
Swinyard, B. M
Waelkens, Christoffel
Moreno, R
Cavalie, T
Lis, D. C
Banaszkiewicz, M
Bockelee-Morvan, D
Crovisier, J
Encrenaz, T
Kueppers, M
Lara, L. -M
Szutowicz, S
Bensch, F
Bergin, E. A
Billebaud, F
Biver, N
Blake, G. A
Cernicharo, J
Encrenaz, P
Feuchtgruber, H
Fulton, T
de Graauw, T
Jehin, E
Kidger, M
Lorente, R
Naylor, D. A
Portyankina, G
Sanchez-Portal, M
Schieder, R
Sidher, S
Thomas, N
Verdugo, E
Lorenzani, A
Tofani, G
Natale, E
Pearson, J
Klein, T
Leinz, C
Guesten, R
Kramer, C #
Issue Date: Oct-2010
Publisher: Springer-Verlag
Series Title: Astronomy & Astrophysics vol:521
Article number: L48
Abstract: 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 (CO)-C-13 at 771 GHz and (CO)-O-18 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.
ISSN: 1432-0746
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Institute of Astronomy
× corresponding author
# (joint) last author

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