Search Results - "Jardine, M. M."

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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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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Large-scale magnetic topologies of late M dwarfs by Morin, J., Donati, J.-F., Petit, P., Delfosse, X., Forveille, T., Jardine, M. M.

“…We present here the final results of the first spectropolarimetric survey of a small sample of active M dwarfs, aimed at providing observational constraints on…”
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M-dwarf stellar winds: the effects of realistic magnetic geometry on rotational evolution and planets by Vidotto, A. A., Jardine, M., Morin, J., Donati, J. F., Opher, M., Gombosi, T. I.

“…We perform three-dimensional numerical simulations of stellar winds of early-M-dwarf stars. Our simulations incorporate observationally reconstructed…”
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Changes in Bacterial and Archaeal Community Structure and Functional Diversity along a Geochemically Variable Soil Profile by Hansel, Colleen M, Fendorf, Scott, Jardine, Phillip M, Francis, Christopher A

“…Spatial heterogeneity in physical, chemical, and biological properties of soils allows for the proliferation of diverse microbial communities. Factors…”
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Slingshot prominences: coronal structure, mass loss and spin down by Jardine, M, Cameron, A Collier, Donati, J-F, Hussain, G A J

“…Abstract The structure of a star’s coronal magnetic field is a fundamental property that governs the high-energy emission from the hot coronal gas and the loss…”
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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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Dominance of sulfur-fueled iron oxide reduction in low-sulfate freshwater sediments by Hansel, Colleen M, Lentini, Chris J, Tang, Yuanzhi, Johnston, David T, Wankel, Scott D, Jardine, Philip M

“…A central tenant in microbial biogeochemistry is that microbial metabolisms follow a predictable sequence of terminal electron acceptors based on the energetic…”
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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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Simulating Radio Emission from Low-mass Stars by Llama, Joe, Jardine, Moira M., Wood, Kenneth, Hallinan, Gregg, Morin, Julien

“…Understanding the origins of stellar radio emission can provide invaluable insight into the strength and geometry of stellar magnetic fields and the resultant…”
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Observing the simulations: applying ZDI to 3D non-potential magnetic field simulations by Lehmann, L T, Hussain, G A J, Jardine, M M, Mackay, D H, Vidotto, A A

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Constraining the coronal properties of AB Dor in the radio regime by Brasseur, C E, Jardine, M M, Hussain, G A J

“…ABSTRACT We present a multiwavelength study of AB Doradus, combining modelling that incorporates a spectropolarimetric magnetic field map with 8.4 GHz radio…”
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Large-scale magnetic topologies of mid M dwarfs by Morin, J., Donati, J.-F., Petit, P., Delfosse, X., Forveille, T., Albert, L., Aurière, M., Cabanac, R., Dintrans, B., Fares, R., Gastine, T., Jardine, M. M., Lignières, F., Paletou, F., Ramirez Velez, J. C., Théado, S.

“…We present in this paper, the first results of a spectropolarimetric analysis of a small sample (∼20) of active stars ranging from spectral type M0 to M8,…”
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Do Non-dipolar Magnetic Fields Contribute to Spin-down Torques? by See, Victor, Matt, Sean P., Finley, Adam J., Folsom, Colin P., Saikia, Sudeshna Boro, Donati, Jean-Francois, Fares, Rim, Hébrard, Élodie M., Jardine, Moira M., Jeffers, Sandra V., Marsden, Stephen C., Mengel, Matthew W., Morin, Julien, Petit, Pascal, Vidotto, Aline A., Waite, Ian A.

“…Main-sequence low-mass stars are known to spin down as a consequence of their magnetized stellar winds. However, estimating the precise rate of this spin-down…”
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Northward range expansion of Ixodes scapularis evident over a short timescale in Ontario, Canada by Clow, Katie M, Leighton, Patrick A, Ogden, Nicholas H, Lindsay, L Robbin, Michel, Pascal, Pearl, David L, Jardine, Claire M

“…The invasion of the blacklegged tick, Ixodes scapularis into Ontario, Canada poses a significant risk to public health because it is a vector for numerous…”
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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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Classical T Tauri stars: magnetic fields, coronae and star-disc interactions by Johnstone, C. P., Jardine, M., Gregory, S. G., Donati, J.-F., Hussain, G.

“…The magnetic fields of young stars set their coronal properties and control their spin evolution via the star-disc interaction and outflows. Using 14 magnetic…”
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The magnetic field vector of the Sun-as-a-star – II. Evolution of the large-scale vector field through activity cycle 24 by Vidotto, A A, Lehmann, L T, Jardine, M, Pevtsov, A A

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Transit variability in bow shock-hosting planets by Vidotto, A. A., Jardine, M., Helling, Ch

“…We investigate the formation of bow shocks around exoplanets as a result of the interaction of the planet with the coronal material of the host star, focusing…”
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