Dr. Hervé COTTIN Laboratory for Extraterrestrial Physics, Code 691 NASA Goddard Space Flight Center Greenbelt, MD 20771 Phone: (301) 286-7502 email: Hcottin@lepvax.gsfc.nasa.gov www.lisa.univ-paris12.fr/GPCOS/Hc/H.htm

National Research Council  Research Associate

Effects of Proton Irradiation & Ultraviolet Photolysis on Astronomical Ices
Extended sources in comets / Planetology / Exobiology
Gas phase chemistry / Experimental Photochemistry / Spectroscopy

        Webmaster of the exobiology page of the french GDR Exobiologie

Education:

1999-  PhD  (10 November 1999)
        Cometary organic chemistry : experimental study of the contribution to the gaseous phase of the refractory organic component
        Download  (PDF)
        PhD advisors :  François Raulin, Marie-Claire Gazeau
        Laboratoire Interuniversitaire des Systèmes Atmosphériques (LISA)

1995- D.E.A. de Chimie de la Pollution et Physique de l'Environnement (1995)
        (post graduate diploma taken before completing a Ph.D.)
        Subject : Study of HCN Formation in the Atmosphere of Neptune.
        Universités Paris VII - Paris XII

1994- Maîtrise de Chimie (option Chimie de l'Environnement) (1994)
        (~Master’s Degree in chemistry)
        Université Paris XII

Previous Positions:

10-12/2000 Post-doc, Société de Secours des Amis des Sciences- Université Paris XII
                  Laboratoire Interuniversitaire des Systèmes Atmosphériques (LISA)

1999-2000  ATER en Chimie (Research Associate in Chemistry) - Université Paris XII
                  Laboratoire Interuniversitaire des Systèmes Atmosphériques (LISA)
 

Publications:

Cottin H., Gazeau M. C., Bénilan Y., and Raulin F. (In Press) Polyoxymethylene as parent molecule for the formaldehyde extended source in comet Halley. The Astrophysical Journal.

Cottin H., Gazeau M. C., Chaquin P., Bénilan Y., and Raulin F. (In Press) Experimental and theoretical studies on the gas/solid/gas transformation cycle in extraterrestrial environments. Journal of Geophysical Research (Planets).

Cottin H., Bachir S., Raulin F., and Gazeau M. C. (In Press) Photodegradation of Hexamethylenetetramine by VUV and its relevance for CN and HCN extended sources in comets. Advances in Space Research.

Cottin H., Gazeau M. C., Doussin J. F., and Raulin F. (2000) An experimental study of the photodegradation of polyoxymethylene at 122, 147 and 193 nm. Journal of photochemistry and photobiology (A : Chemistry) 135, 53-64. PDF

Gazeau M. C., Cottin H., Vuitton V., Smith N., and Raulin F. (2000) Experimental and theoretical photochemistry : application to the cometary environment and Titan's atmosphere. Planetary and Space Science 48, 437-445. PDF

 Szopa C., Sternberg R., Coscia D., Cottin H., Raulin F., Goesmann F., and Rosenbauer H. (1999) Gas chromatography for in situ analysis of cometary nucleus : I. Characterization and optimization of diphenyl/dimethyl polysiloxane stationary phase using coupled experimental/computer modelling approaches. Journal of Chromatography, 863, 157-169. PDF

Cottin H., M.C. Gazeau, and F. Raulin, Cometary organic chemistry : a review from observations, numerical and experimental simulations, Planetary and Space Science, 47, 1141-1162, 1999. PDF

Cottin H., M.C. Gazeau, J.F. Doussin, and F. Raulin, S.E.M.A.Ph.Or.E COMETAIRE, a tool for the study of the photochemical decomposition of probable cometary large organic molecules. First application : Polyoxymethylene, Physic and Chemistry of the Earth, 24 (5), 597-602, 1999. PDF

Gazeau M.C., H. Cottin, L. Guez, P. Bruston, and F. Raulin, HCN formation under electron impact : experimental studies and application to Neptune's atmosphere, Advances in Space Research, 19 (7), 1135-1144, 1997. PDF