Planets and Satellites: Atmospheres

Further Constraints on the Optical Transmission Spectrum of HAT-P-1b
We report on novel observations of HAT-P-1 aimed at constraining the optical transmission spectrum of the atmosphere of its transiting …
M. Montalto, N. Iro, N.~C. Santos, S. Desidera, J.~H.~C. Martins, P. Figueira, R. Alonso
Posted Sep 1, 2015
Cite DOI arXiv
The atmospheric chemistry of the warm Neptune GJ 3470b: Influence of metallicity and temperature on the CH$_4$/CO ratio
Context. Current observation techniques are able to probe the atmosphere of some giant exoplanets and get some clues about their …
Olivia Venot, Marcelino Agúndez, Franck Selsis, Marcell Tessenyi, Nicolas Iro
Posted Feb 1, 2014
Cite DOI arXiv
The Puzzling Chemical Composition of GJ 436b's Atmosphere: Influence of Tidal Heating on the Chemistry
The dissipation of the tidal energy deposited on eccentric planets may induce a heating of the planet that affects its atmospheric …
Marcelino Agúndez, Olivia Venot, Franck Selsis, Nicolas Iro
Posted Feb 1, 2014
Cite DOI arXiv
Spitzer 3.6 and 4.5 ensuremathμm full-orbit light curves of WASP-18
We present new light curves of the massive hot Jupiter system WASP-18 obtained with the Spitzer spacecraft covering the entire orbit at …
P.~F.~L. Maxted, D.~R. Anderson, A.~P. Doyle, M. Gillon, J. Harrington, N. Iro, E. Jehin, D. Lafrenière, B. Smalley, J. Southworth
Posted Jan 1, 2013
Cite DOI arXiv
The impact of atmospheric circulation on the chemistry of the hot Jupiter HD 209458b
We investigate the effects of atmospheric circulation on the chemistry of the hot Jupiter HD 209458b. We use a simplified dynamical …
M. Agúndez, O. Venot, N. Iro, F. Selsis, F. Hersant, E. Hébrard, M. Dobrijevic
Posted Dec 1, 2012
Cite DOI arXiv
A chemical model for the atmosphere of hot Jupiters
Context. The atmosphere of hot Jupiters can be probed by primary transit and secondary eclipse spectroscopy. Owing to the intense UV …
O. Venot, E. Hébrard, M. Agúndez, M. Dobrijevic, F. Selsis, F. Hersant, N. Iro, R. Bounaceur
Posted Oct 1, 2012
Cite DOI arXiv