Search Results - "Hébrard, E"

Prebiotic Chemistry and Atmospheric Warming of Early Earth by an Active Young Sun by Airapetian, V. S., Glocer, A., Gronoff, G., Hebrard, E., Danchi, W.

“…Nitrogen is a critical ingredient of complex biological molecules. Molecular nitrogen, however, which was outgassed Into the Earth's early atmosphere, is…”
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Pattern Recognition of Chemical Waves: Finding the Activation Energy of the Autocatalytic Step in the Belousov–Zhabotinsky Reaction by Howell, L, Osborne, E, Franklin, A, Hébrard, É

“…The Belousov–Zhabotinsky (BZ) reaction is an example of a homogeneous, nonequilibrium reaction used commonly as a model for the study of biological structure…”
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A hot Jupiter orbiting a 2-million-year-old solar-mass T Tauri star by Donati, J. F., Moutou, C., Malo, L., Baruteau, C., Yu, L., Hébrard, E., Hussain, G., Alencar, S., Ménard, F., Bouvier, J., Petit, P., Takami, M., Doyon, R., Cameron, A. Collier

“…The radial velocities of a young star are measured, revealing the presence of a planet of mass about three-quarters that of Jupiter, orbiting its host star…”
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The neutral photochemistry of nitriles, amines and imines in the atmosphere of Titan by Loison, J.C., Hébrard, E., Dobrijevic, M., Hickson, K.M., Caralp, F., Hue, V., Gronoff, G., Venot, O., Bénilan, Y.

“…•We study the photochemical richness of Titan’s atmosphere.•We review and complete the neutral chemistry of nitrogen containing compounds.•A review of…”
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A hot Jupiter around the very active weak-line T Tauri star TAP 26 by Yu, L., Donati, J.-F., Hébrard, E. M., Moutou, C., Malo, L., Grankin, K., Hussain, G., Cameron, A. Collier, Vidotto, A. A., Baruteau, C., Alencar, S. H. P., Bouvier, J., Petit, P., Takami, M., Herczeg, G. J., Gregory, S. G., Jardine, M., Morin, J., Ménard, F.

“…Abstract We report the results of an extended spectropolarimetric and photometric monitoring of the weak-line T Tauri star TAP 26, carried out within the…”
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The hot Jupiter of the magnetically active weak-line T Tauri star V830 Tau by Donati, J-F, Yu, L, Moutou, C, Cameron, A C, Malo, L, Grankin, K, Hebrard, E, J Hussain, G A, Vidotto, A A, H P Alencar, S, Haywood, R D, Bouvier, J, Petit, P, Takami, M, Herczeg, G J, Gregory, S G, Jardine, M M, Morin, J

“…We report results of an extended spectropolarimetric and photometric monitoring of the weak-line T Tauri star V830 Tau and its recently detected newborn…”
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3D modelling of the impact of stellar activity on tidally locked terrestrial exoplanets: atmospheric composition and habitability by Ridgway, R J, Zamyatina, M, Mayne, N J, Manners, J, Lambert, F H, Braam, M, Drummond, B, Hébrard, E, Palmer, P I, Kohary, K

“…ABSTRACT Stellar flares present challenges to the potential habitability of terrestrial planets orbiting M dwarf stars through inducing changes in the…”
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The impact of phase equilibrium cloud models on GCM simulations of GJ 1214b by Christie, D A, Mayne, N J, Gillard, R M, Manners, J, Hébrard, E, Lines, S, Kohary, K

“…ABSTRACT We investigate the impact of clouds on the atmosphere of GJ 1214b using the radiatively coupled, phase-equilibrium cloud model EddySed coupled to the…”
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A solar escalator on Mars: Self-lifting of dust layers by radiative heating by Daerden, F., Whiteway, J. A., Neary, L., Komguem, L., Lemmon, M. T., Heavens, N. G., Cantor, B. A., Hébrard, E., Smith, M. D.

“…Dust layers detected in the atmosphere of Mars by the light detection and ranging (LIDAR) instrument on the Phoenix Mars mission are explained using an…”
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Magnetic activity and hot Jupiters of young Suns: the weak-line T Tauri stars V819 Tau and V830 Tau by Donati, J.-F., Hébrard, E., Hussain, G. A. J., Moutou, C., Malo, L., Grankin, K., Vidotto, A. A., Alencar, S. H. P., Gregory, S. G., Jardine, M. M., Herczeg, G., Morin, J., Fares, R., Ménard, F., Bouvier, J., Delfosse, X., Doyon, R., Takami, M., Figueira, P., Petit, P., Boisse, I.

“…We report results of a spectropolarimetric and photometric monitoring of the weak-line T Tauri stars (wTTSs) V819 Tau and V830 Tau within the MaTYSSE (Magnetic…”
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Modelling the magnetic activity and filtering radial velocity curves of young Suns : the weak-line T Tauri star LkCa 4 by Donati, J.-F., Hébrard, E., Hussain, G., Moutou, C., Grankin, K., Boisse, I., Morin, J., Gregory, S. G., Vidotto, A. A., Bouvier, J., Alencar, S. H. P., Delfosse, X., Doyon, R., Takami, M., Jardine, M. M., Fares, R., Cameron, A. C., Ménard, F., Dougados, C., Herczeg, G.

“…We report results of a spectropolarimetric and photometric monitoring of the weak-line T Tauri star LkCa 4 within the Magnetic Topologies of Young Stars and…”
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An aerodynamic roughness length map derived from extended Martian rock abundance data by Hébrard, E., Listowski, C., Coll, P., Marticorena, B., Bergametti, G., Määttänen, A., Montmessin, F., Forget, F.

“…Many boundary layer processes simulated within a Mars General Circulation Model (MGCM), including the description of the processes controlling dust rising from…”
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Coupling of oxygen, nitrogen, and hydrocarbon species in the photochemistry of Titan’s atmosphere by Dobrijevic, M., Hébrard, E., Loison, J.C., Hickson, K.M.

“…•Update and improvement of oxygen photochemistry in Titan’s atmosphere.•Coupling between the chemistry of hydrocarbon, nitrogen and oxygen species.•New…”
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How Measurements of Rate Coefficients at Low Temperature Increase the Predictivity of Photochemical Models of Titan’s Atmosphere by Hébrard, E, Dobrijevic, M, Pernot, P, Carrasco, N, Bergeat, A, Hickson, K. M, Canosa, A, Le Picard, S. D, Sims, I. R

“…The predictivity of photochemical models of Titan’s atmosphere depends strongly on the precision and accuracy of reaction rates. For many reactions, large…”
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Could a change in magnetic field geometry cause the break in the wind-activity relation? by Vidotto, A. A., Donati, J.-F., Jardine, M., See, V., Petit, P., Boisse, I., Boro Saikia, S., Hébrard, E., Jeffers, S. V., Marsden, S. C., Morin, J.

“…Wood et al. suggested that mass-loss rate is a function of X-ray flux ( $\skew{3}\dot{M}\propto F_x^{1.34}$ ) for dwarf stars with F x ≲ F x,6 ≡ 106 erg…”
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Evolution of the Solar Activity Over Time and Effects on Planetary Atmospheres. II. κ1 Ceti, an Analog of the Sun when Life Arose on Earth by Ribas, I, Porto de Mello, G. F, Ferreira, L. D, Hébrard, E, Selsis, F, Catalán, S, Garcés, A, do Nascimento, J. D, de Medeiros, J. R

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Rice Yellow Mottle Virus, an RNA Plant Virus, Evolves as Rapidly as Most RNA Animal Viruses by Fargette, D, Pinel, A, Rakotomalala, M, Sangu, E, Traoré, O, Sérémé, D, Sorho, F, Issaka, S, Hébrard, E, Séré, Y, Kanyeka, Z, Konaté, G

“…Article Usage Stats Services JVI Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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3D Simulations of the Archean Earth Including Photochemical Haze Profiles by Mak, M. T., Mayne, N. J., Sergeev, D. E., Manners, J., Eager‐Nash, J. K., Arney, G., Hébrard, E., Kohary, K.

“…Abstract We present results from 3D simulations of the Archean Earth including a prescribed (non‐interactive) spherical haze generated through a 1D…”
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A window on exoplanet dynamical histories: Rossiter–McLaughlin observations of WASP-13b and WASP-32b by Brothwell, R. D., Watson, C. A., Hébrard, G., Triaud, A. H. M. J., Cegla, H. M., Santerne, A., Hébrard, E., Anderson, D. R., Pollacco, D., Simpson, E. K., Bouchy, F., Brown, D. J. A., Chew, Y. Gómez Maqueo, Cameron, A. Collier, Armstrong, D. J., Barros, S. C. C., Bento, J., Bochinski, J., Burwitz, V., Busuttil, R., Delrez, L., Doyle, A. P., Faedi, F., Fumel, A., Gillon, M., Haswell, C. A., Hellier, C., Jehin, E., Kolb, U., Lendl, M., Liebig, C., Maxted, P. F. L., McCormac, J., Miller, G. R. M., Norton, A. J., Pepe, F., Queloz, D., Rodríguez, J., Ségransan, D., Skillen, I., Smalley, B., Stassun, K. G., Udry, S., West, R. G., Wheatley, P. J.

“…We present Rossiter–McLaughlin observations of WASP-13b and WASP-32b and determine the sky-projected angle between the normal of the planetary orbit and the…”
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Photochemical kinetics uncertainties in modeling Titan’s atmosphere: A review by Hébrard, E., Dobrijevic, M., Bénilan, Y., Raulin, F.

“…This paper is a review dealing with the photochemistry of Titan’s atmosphere and its sources of uncertainties. It presents current knowledge on the active…”
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