Search Results - "Fares, R."

A study of the magnetic activity and variability of GJ 436 by Kumar, M, Fares, R

“…ABSTRACT We present a magnetic activity study of GJ 436 using spectroscopic data from HARPS, spanning over 14 yr, and additional data from NARVAL, falling…”
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Planets and stellar activity: hide and seek in the CoRoT-7 system by Haywood, R. D., Collier Cameron, A., Queloz, D., Barros, S. C. C., Deleuil, M., Fares, R., Gillon, M., Lanza, A. F., Lovis, C., Moutou, C., Pepe, F., Pollacco, D., Santerne, A., Ségransan, D., Unruh, Y. C.

“…Since the discovery of the transiting super-Earth CoRoT-7b, several investigations have yielded different results for the number and masses of planets present…”
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Optimal entropy generation in Darcy-Forchheimer magnetized flow in a square enclosure filled with silver based water nanoliquid by Fares, R., Mebarek-Oudina, Fateh, Aissa, A., Bilal, S. M., Öztop, Hakan F.

“…Current communication candidly explicates the incremental aspect of generated entropy in apermeablesquare enclosure. Porosity aspects are mathematically…”
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On the environment surrounding close-in exoplanets by Vidotto, A. A., Fares, R., Jardine, M., Moutou, C., Donati, J.-F.

“…Exoplanets in extremely close-in orbits are immersed in a local interplanetary medium (i.e. the stellar wind) much denser than the local conditions encountered…”
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A BCool magnetic snapshot survey of solar-type stars by Marsden, S. C., Petit, P., Jeffers, S. V., Morin, J., Fares, R., Reiners, A., do Nascimento, J.-D., Aurière, M., Bouvier, J., Carter, B. D., Catala, C., Dintrans, B., Donati, J.-F., Gastine, T., Jardine, M., Konstantinova-Antova, R., Lanoux, J., Lignières, F., Morgenthaler, A., Ramìrez-Vèlez, J. C., Théado, S., Van Grootel, V.

“…We present the results of a major high-resolution spectropolarimetric BCool project magnetic survey of 170 solar-type stars. Surface magnetic fields were…”
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The Sun as a planet-host star: proxies from SDO images for HARPS radial-velocity variations by Haywood, R. D., Collier Cameron, A., Unruh, Y. C., Lovis, C., Lanza, A.F., Llama, J., Deleuil, M., Fares, R., Gillon, M., Moutou, C., Pepe, F., Pollacco, D., Queloz, D., Ségransan, D.

“…The Sun is the only star whose surface can be directly resolved at high resolution, and therefore constitutes an excellent test case to explore the physical…”
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A small survey of the magnetic fields of planet-host stars by Fares, R., Moutou, C., Donati, J.-F., Catala, C., Shkolnik, E. L., Jardine, M. M., Cameron, A. C., Deleuil, M.

“…Using spectropolarimetry, we investigate the large-scale magnetic topologies of stars hosting close-in exoplanets. A small survey of 10 stars has been done…”
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Stellar magnetism: empirical trends with age and rotation by Vidotto, A. A., Gregory, S. G., Jardine, M., Donati, J. F., Petit, P., Morin, J., Folsom, C. P., Bouvier, J., Cameron, A. C., Hussain, G., Marsden, S., Waite, I. A., Fares, R., Jeffers, S., do Nascimento, J. D.

“…We investigate how the observed large-scale surface magnetic fields of low-mass stars (∼0.1–2 M⊙), reconstructed through Zeeman–Doppler imaging, vary with age…”
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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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Exoplanet transit variability: bow shocks and winds around HD 189733b by Llama, J., Vidotto, A. A., Jardine, M., Wood, K., Fares, R., Gombosi, T. I.

“…By analogy with the Solar system, it is believed that stellar winds will form bow shocks around exoplanets. For hot Jupiters the bow shock will not form…”
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Enhancement of dissolution and oral bioavailability of lacidipine via pluronic P123/F127 mixed polymeric micelles: formulation, optimization using central composite design and in vivo bioavailability study by Fares, Ahmed R., ElMeshad, Aliaa N., Kassem, Mohamed A. A.

“…This study aims at preparing and optimizing lacidipine (LCDP) polymeric micelles using thin film hydration technique in order to overcome LCDP…”
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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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Searching for star–planet interactions within the magnetosphere of HD 189733 by Fares, R., Donati, J.-F., Moutou, C., Jardine, M. M., Grießmeier, J.-M., Zarka, P., Shkolnik, E. L., Bohlender, D., Catala, C., Cameron, A. C.

“…HD 189733 is a K2 dwarf, orbited by a giant planet at 8.8 stellar radii. In order to study magnetospheric interactions between the star and the planet, we…”
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The connection between stellar activity cycles and magnetic field topology by See, V., Jardine, M., Vidotto, A. A., Donati, J.-F., Boro Saikia, S., Bouvier, J., Fares, R., Folsom, C. P., Gregory, S. G., Hussain, G., Jeffers, S. V., Marsden, S. C., Morin, J., Moutou, C., do Nascimento, J. D., Petit, P., Waite, I. A.

“…Zeeman–Doppler imaging (ZDI) has successfully mapped the large-scale magnetic fields of stars over a large range of spectral types, rotation periods and ages…”
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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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A risk assessment model for transfusion transmission of dengue by Huang, Y., Forshee, R.A., Fares‐Gusmao, R., Chancey, C., Rios, M., Anderson, S.A., Yang, H.

“…Dengue virus (DENV) is a disease‐causing agent normally transmitted from person to person through the bite of an infected mosquito. In addition to…”
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The stellar wind cycles and planetary radio emission of the t Boo system by Vidotto, A. A., Farès, R., Jardine, M., Donati, J-F, Opher, M., Moutou, C., Catala, C., Gombosi, Tamas I.

“…t Boo is an intriguing planet-host star that is believed to undergo magnetic cycles similar to the Sun, but with a duration that is about one order of…”
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Detection and prevalence of extended spectrum β-lactamases production among Enterobacteriaceae isolated from urinary tract infections by Fares, R, Debabza, M, Mechai, A

“…Urinary tract infections (UTIs) by extended-spectrum β-lactamase producing Enterobacteriaceae (ESBL-E) have become an important public health problem with a…”
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Time-scales of close-in exoplanet radio emission variability by See, V., Jardine, M., Fares, R., Donati, J.-F., Moutou, C.

“…We investigate the variability of exoplanetary radio emission using stellar magnetic maps and 3D field extrapolation techniques. We use a sample of hot Jupiter…”
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Studying stellar spin-down with Zeeman–Doppler magnetograms by See, V, Jardine, M, Vidotto, A A, Donati, J-F, Saikia, S Boro, Fares, R, Folsom, C P, Hebrard, E M, Jeffers, S V, Marsden, S C, Morin, J, Petit, P, Waite, I A

“…Magnetic activity and rotation are known to be intimately linked for low-mass stars. Understanding rotation evolution over the stellar lifetime is therefore an…”
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