A chemical model for the atmosphere of hot Jupiters
- O. Venot, E. H'ebrard, R. Bounaceur
- Geology, Physics
- 2 August 2012
Our purpose is to release a chemical network, and the associated rate coefficients, developed for the temperature and pressure range relevant to hot Jupiters atmospheres. Using this network, we study…
Pseudo 2D chemical model of hot-Jupiter atmospheres: application to HD 209458b and HD 189733b
- M. Agúndez, V. Parmentier, O. Venot, F. Hersant, F. Selsis
- Physics, Geology
- 1 March 2014
We have developed a pseudo two-dimensional model of a planetary atmosphere, which takes into account thermochemical kinetics, photochemistry, vertical mixing, and horizontal transport, the latter…
Molecular abundances in the inner layers of IRC +10216
- M. Agúndez, J. Fonfría, J. Cernicharo, C. Kahane, F. Daniel, M. Guélin
- Physics
- 20 April 2012
Observations towards IRC +10216 of CS, SiO, SiS, NaCl, KCl, AlCl, AlF, and NaCN have been carried out with the IRAM 30-m telescope in the 80-357.5 GHz frequency range. A large number of rotational…
Exoplanetary Atmospheres—Chemistry, Formation Conditions, and Habitability
- N. Madhusudhan, M. Agúndez, J. Moses, Yongyun Hu
- Geology, PhysicsSpace Science Reviews
- 20 April 2016
The theory of atmospheric chemistry in all classes of exoplanets discovered to date is reviewed, from highly irradiated gas giants, ice giants, and super-Earths, to directly imaged giant planets at large orbital separations.
Chemistry of dark clouds: databases, networks, and models.
- M. Agúndez, V. Wakelam
- PhysicsChemical Reviews
- 7 October 2013
The state of the art concerning the chemical modeling of dark clouds, the initial step for the formation of stars and disks is assessed.
Discovery of Phosphaethyne (HCP) in Space: Phosphorus Chemistry in Circumstellar Envelopes
- M. Agúndez, J. Cernicharo, M. Guélin
- Physics
- 25 May 2007
We present the first detection in space of phosphaethyne, the phosphorus analog of HCN. We have observed with the IRAM 30 m telescope four successive rotational transitions of HCP in the AGB star…
Formation of simple organic molecules in inner T Tauri disks
- M. Agúndez, J. Cernicharo, J. Goicoechea
- Physics, Chemistry
- 6 March 2008
Aims. We present time dependent chemical models for a dense and warm O-rich gas exposed to a strong, far ultraviolet (FUV) field aimed at exploring the formation of simple organic molecules in the…
Laboratory and Astronomical Detection of the Negative Molecular Ion C3N−
- P. Thaddeus, C. Gottlieb, J. Cernicharo
- Physics
- 20 April 2008
The negative molecular ion C3N− has been detected at millimeter wavelengths in a low-pressure laboratory discharge, and then with frequencies derived from the laboratory data in the molecular…
Search for anions in molecular sources: C4H - detection in L1527
- M. Agúndez, J. Cernicharo, M. Guélin, M. Gerin, M. McCarthy, P. Thaddeus
- Physics
- 7 December 2007
Based on observations carried out with the IRAM 30 m telescope. IRAM is supported by INSU/CNRS (France), MPG (Germany) and
IGN (Spain).-- Accepted for publication in Astronomy & Astrophysics Letters.
Molecular shells in IRC+10216: tracing the mass loss history,.
- J. Cernicharo, N. Marcelino, M. Agúndez, M. Guélin
- PhysicsAstronomy & Astrophysics
- 5 December 2014
Maps of the extended 12CO and 13CO emissions in IRC+10216, the envelope of CW Leo, the high mass loss star the closest to the Sun, show that the mass loss process is highly variable on timescales of hundreds of years.
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