Universität zu Köln

Hartogh, P., Jarchow, C., Lellouch, E., de Val-Borro, M., Rengel, M., Moreno, R., Medvedev, A. S., Sagawa, H., Swinyard, B. M., Cavalie, T., Lis, D. C., Blecka, M. I., Banaszkiewicz, M., Bockelee-Morvan, D., Crovisier, J., Encrenaz, T., Kueppers, M., Lara, L. -M., Szutowicz, S., Vandenbussche, B., Bensch, F., Bergin, E. A., Billebaud, F., Biver, N., Blake, G. A., Blommaert, J. A. D. L., Cernicharo, J., Decin, L., 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., Waelkens, C., Whyborn, N., Teyssier, D., Helmich, F., Roelfsema, P., Stutzki, J., LeDuc, H. G. and Stern, J. A. (2010). Herschel/HIFI observations of Mars: First detection of O-2 at submillimetre wavelengths and upper limits on HCl and H2O2. Astron. Astrophys., 521. LES ULIS CEDEX A: EDP SCIENCES S A. ISSN 0004-6361

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Abstract

We report on an initial analysis of Herschel/HIFI observations of hydrogen chloride (HCl), hydrogen peroxide (H2O2), and molecular oxygen (O-2) in the Martian atmosphere performed on 13 and 16 April 2010 (L-s similar to 77 degrees). We derived a constant volume mixing ratio of 1400 +/- 120 ppm for O-2 and determined upper limits of 200 ppt for HCl and 2 ppb for H2O2. Radiative transfer model calculations indicate that the vertical profile of O-2 may not be constant. Photochemical models determine the lowest values of H2O2 to be around L-s similar to 75 degrees but overestimate the volume mixing ratio compared to our measurements.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Hartogh, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jarchow, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lellouch, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED de Val-Borro, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Rengel, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Moreno, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Medvedev, A. S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sagawa, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Swinyard, B. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Cavalie, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lis, D. C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Blecka, M. I. UNSPECIFIED UNSPECIFIED UNSPECIFIED Banaszkiewicz, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bockelee-Morvan, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Crovisier, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Encrenaz, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kueppers, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lara, L. -M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Szutowicz, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Vandenbussche, B. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bensch, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bergin, E. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Billebaud, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Biver, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Blake, G. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Blommaert, J. A. D. L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Cernicharo, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Decin, L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Encrenaz, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Feuchtgruber, H. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fulton, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED de Graauw, T. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jehin, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Kidger, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lorente, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Naylor, D. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Portyankina, G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sanchez-Portal, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Schieder, R. UNSPECIFIED UNSPECIFIED UNSPECIFIED Sidher, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Thomas, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Verdugo, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Waelkens, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Whyborn, N. UNSPECIFIED UNSPECIFIED UNSPECIFIED Teyssier, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Helmich, F. UNSPECIFIED UNSPECIFIED UNSPECIFIED Roelfsema, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stutzki, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED LeDuc, H. G. UNSPECIFIED UNSPECIFIED UNSPECIFIED Stern, J. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-494841
DOI:	10.1051/0004-6361/201015160
Journal or Publication Title:	Astron. Astrophys.
Volume:	521
Date:	2010
Publisher:	EDP SCIENCES S A
Place of Publication:	LES ULIS CEDEX A
ISSN:	0004-6361
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language GENERAL-CIRCULATION MODEL; MARTIAN ATMOSPHERE; CARBON-MONOXIDE; SEASONAL-VARIATIONS; MOLECULAR-OXYGEN; MU-M; VENUS; WATER; PHOTOCHEMISTRY; SPECTROSCOPY Multiple languages Astronomy & Astrophysics Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/49484