Search Results - "Bourrier, V"

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    Exoplanets as probes of the winds of host stars: the case of the M dwarf GJ 436 by Vidotto, A. A., Bourrier, V.

    “…Abstract Winds of cool dwarfs are difficult to observe, with only a few M dwarfs presenting observationally derived mass-loss rates ( $\dot{M}$ ), which span…”
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    Spectrally resolved helium absorption from the extended atmosphere of a warm Neptune-mass exoplanet by Allart, R, Bourrier, V, Lovis, C, Ehrenreich, D, Spake, J J, Wyttenbach, A, Pino, L, Pepe, F, Sing, D K, Lecavelier des Etangs, A

    “…Stellar heating causes atmospheres of close-in exoplanets to expand and escape. These extended atmospheres are difficult to observe because their main spectral…”
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    Helium in the eroding atmosphere of an exoplanet by Spake, J. J., Sing, D. K., Evans, T. M., Oklopčić, A., Bourrier, V., Kreidberg, L., Rackham, B. V., Irwin, J., Ehrenreich, D., Wyttenbach, A., Wakeford, H. R., Zhou, Y., Chubb, K. L., Nikolov, N., Goyal, J. M., Henry, G. W., Williamson, M. H., Blumenthal, S., Anderson, D. R., Hellier, C., Charbonneau, D., Udry, S., Madhusudhan, N.

    Published in Nature (London) (01-05-2018)
    “…Helium is the second-most abundant element in the Universe after hydrogen and is one of the main constituents of gas-giant planets in our Solar System. Early…”
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    MOVES – IV. Modelling the influence of stellar XUV-flux, cosmic rays, and stellar energetic particles on the atmospheric composition of the hot Jupiter HD 189733b by Barth, P, Helling, Ch, Stüeken, E E, Bourrier, V, Mayne, N, Rimmer, P B, Jardine, M, Vidotto, A A, Wheatley, P J, Fares, R

    “…ABSTRACT Hot Jupiters provide valuable natural laboratories for studying potential contributions of high-energy radiation to pre-biotic synthesis in the…”
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    MOVES – II. Tuning in to the radio environment of HD189733b by Kavanagh, R D, Vidotto, A A, Ó. Fionnagáin, D, Bourrier, V, Fares, R, Jardine, M, Helling, Ch, Moutou, C, Llama, J, Wheatley, P J

    “…ABSTRACT We present stellar wind modelling of the hot Jupiter host HD189733, and predict radio emission from the stellar wind and the planet, the latter…”
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    NIGHT: A compact, near-infrared, high-resolution spectrograph to survey helium in exoplanet systems by Farret Jentink, C, Bourrier, V, Lovis, C, Allart, R, Chazelas, B, Lendl, M, Dumusque, X, Pepe, F

    “…ABSTRACT Among highly irradiated exoplanets, some have been found to undergo significant hydrodynamic expansion traced by atmospheric escape. To better…”
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    MOVES – V. Modelling star–planet magnetic interactions of HD 189733 by Strugarek, A, Fares, R, Bourrier, V, Brun, A S, Réville, V, Amari, T, Helling, Ch, Jardine, M, Llama, J, Moutou, C, Vidotto, A A, Wheatley, P J, Zarka, P

    “…ABSTRACT Magnetic interactions between stars and close-in planets may lead to a detectable signal on the stellar disc. HD 189733 is one of the key exosystems…”
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    MOVES III. Simultaneous X-ray and ultraviolet observations unveiling the variable environment of the hot Jupiter HD 189733b by Bourrier, V, Wheatley, P J, Lecavelier des Etangs, A, King, G, Louden, T, Ehrenreich, D, Fares, R, Helling, Ch, Llama, J, Jardine, M M, Vidotto, A A

    “…ABSTRACT In this third paper of the MOVES (Multiwavelength Observations of an eVaporating Exoplanet and its Star) programme, we combine Hubble Space Telescope…”
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    Patient-driven hand hygiene audit process at a regional cancer center by Bow, E.J., Bourrier, V., Trudel, J., Kostiuk, N., McLeod, J.M.

    Published in American journal of infection control (01-01-2018)
    “…•Audit of hand hygiene within the privacy of the examination room is difficult.•Engagement of patient-auditors for before and after contact was piloted.•A…”
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    MOVES – I. The evolving magnetic field of the planet-hosting star HD189733 by Fares, R., Bourrier, V., Vidotto, A. A., Moutou, C., Jardine, M. M., Zarka, P., Helling, Ch, Lecavelier des Etangs, A., Llama, J., Louden, T., Wheatley, P. J., Ehrenreich, D.

    “…HD189733 is an active K dwarf that is, with its transiting hot Jupiter, among the most studied exoplanetary systems. In this first paper of the Multiwavelength…”
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    MOVES - V. Modelling star-planet magnetic interactions of HD 189733 by Strugarek, A., Fares, R., Bourrier, V., Brun, A. S., Réville, V., Amari, T., Helling, Ch, Jardine, M., Llama, J., Moutou, C., Vidotto, A. A., Wheatley, P. J., Zarka, P.

    “…Magnetic interactions between stars and close-in planets may lead to a detectable signal on the stellar disc. HD 189733 is one of the key exosystems thought to…”
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    Journal Article
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