Zobrazeno 1 - 10
of 570
pro vyhledávání: '"Bézard, B"'
Autor:
Bézard, B., Nixon, C. A., Vinatier, S., Lellouch, E., Greathouse, T., Giles, R., Lombardo, N. A., Jolly, A.
We report observations of deuterated acetylene (C$_2$HD) at 19.3 $\mu$m (519 cm$^{-1}$) with the Texas Echelon Cross Echelle Spectrograph on the NASA Infrared Telescope Facility in July 2017. Six individual lines from the Q-branch of the $\nu_4$ band
Externí odkaz:
http://arxiv.org/abs/2407.20882
Autor:
Masson, A., Vinatier, S., Bézard, B., López-Puertas, M., Lampón, M., Debras, F., Carmona, A., Klein, B., Artigau, E., Dethier, W., Pelletier, S., Hood, T., Allart, R., Bourrier, V., Cadieux, C., Charnay, B., Cowan, N. B., Cook, N. J., Delfosse, X., Donati, J. -F., Gu, P. -G., Hébrard, G., Martioli, E., Moutou, C., Venot, O., Wyttenbach, A.
For several years, the metastable helium triplet line has been successfully used as a tracer to probe atmospheric escape in transiting exoplanets. This absorption in the near-infrared (1083.3 nm) can be observed from the ground using high-resolution
Externí odkaz:
http://arxiv.org/abs/2406.09225
Autor:
Kiefer, F., Bonnefoy, M., Charnay, B., Boccaletti, A., Lagrange, A. -M., Chauvin, G., Bézard, B., Mâlin, M.
Molecular mapping is a supervised method exploiting the spectral diversity of integral field spectrographs to detect and characterize resolved exoplanets blurred into the stellar halo. We present an evolution of the method to remove the stellar halo
Externí odkaz:
http://arxiv.org/abs/2402.08311
Autor:
Debras, F., Klein, B., Donati, J. -F., Hood, T., Moutou, C., Carmona, A., Charnay, B., Bézard, B., Fouqué, P., Masson, A., Vinatier, S., Baruteau, C., Boisse, I., Bonfils, X., Chiavassa, A., Delfosse, X., Hebrard, G., Leconte, J., Martioli, E., Ould-elkhim, M., Parmentier, V., Petit, P., Pluriel, W., Selsis, F., Teinturier, L., Tremblin, P., Turbet, M., Venot, O., Wyttenbach, A.
In a companion paper, we introduced a publicly-available pipeline to characterise exoplanet atmospheres through high-resolution spectroscopy. In this paper, we use this pipeline to study the biases and degeneracies that arise in atmospheric character
Externí odkaz:
http://arxiv.org/abs/2308.14511
Autor:
Klein, B., Debras, F., Donati, J. -F., Hood, T., Moutou, C., Carmona, A., Ould-elkhim, M., Bézard, B., Charnay, B., Fouqué, P., Masson, A., Vinatier, S., Baruteau, C., Boisse, I., Bonfils, X., Chiavassa, A., Delfosse, X., Dethier, W., Hebrard, G., Kiefer, F., Leconte, J., Martioli, E., Parmentier, V., Petit, P., Pluriel, W., Selsis, F., Teinturier, L., Tremblin, P., Turbet, M., Venot, O., Wyttenbach, A.
Atmospheric characterisation of exoplanets from the ground is an actively growing field of research. In this context we have created the ATMOSPHERIX consortium: a research project aimed at characterizing exoplanets atmospheres using ground-based high
Externí odkaz:
http://arxiv.org/abs/2308.14510
Autor:
Richard, C., Boudon, V., Manceron, L., Auwera, J. Vander, Vinatier, S., Bézard, B., Houelle, M.
Publikováno v:
Icarus, inPress, pp.115692 (2023)
We report the measurement of broadening coefficients of pure rotational lines of methane at different pressure and temperature conditions. A total of 27 far-infrared spectra were recorded at the AILES beamline of the SOLEIL synchrotron at room-temper
Externí odkaz:
http://arxiv.org/abs/2307.00810
Young giant planets are the best targets for characterization with direct imaging. The Medium Resolution Spectrometer (MRS) of the Mid-Infrared Instrument (MIRI) of the recently launched James Webb Space Telescope (JWST) will give access to the first
Externí odkaz:
http://arxiv.org/abs/2301.02116
Autor:
Encrenaz, T., Greathouse, T. K., Marcq, E., Widemann, T., Bézard, B., Fouchet, T., Giles, R., Sagawa, H., Greaves, J., Sousa-Silva, C.
Following the announcement of the detection of phosphine (PH$_3$) in the cloud deck of Venus at millimeter wavelengths, we have searched for other possible signatures of this molecule in the infrared range. Since 2012, we have been observing Venus in
Externí odkaz:
http://arxiv.org/abs/2010.07817
Autor:
Marcq, E., Bézard, B., Reess, J.-M., Henry, F., Érard, S., Robert, S., Montmessin, F., Lefèvre, F., Lefèvre, M., Stolzenbach, A., Bertaux, J.-L., Piccioni, G., Drossart, P.
Publikováno v:
In Icarus 15 November 2023 405
Autor:
Sylvestre, M., Teanby, N. A., d'Ollone, J. Vatant, Vinatier, S., Bézard, B., Lebonnois, S., Irwin, P. G. J.
The Cassini mission offered us the opportunity to monitor the seasonal evolution of Titan's atmosphere from 2004 to 2017, i.e. half a Titan year. The lower part of the stratosphere (pressures greater than 10 mbar) is a region of particular interest a
Externí odkaz:
http://arxiv.org/abs/1902.01841