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- Centre National de la Recherche ScientifiqueFR886 papers
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16 papers · 2 filters
Temporal evolution of multiple evaporating ribbon sources in a solar flare
D. R. Graham, G. Cauzzi
We present new results from the Interface Region Imaging Spectrograph showing the dynamic evolution of chromospheric evaporation and condensation in a flare ribbon, with the highes…
X-Shooter study of accretion in -Ophiucus: very low-mass stars and brown dwarfs
C. F. Manara, L. Testi, A. Natta +1
We present new VLT/X-Shooter optical and NIR spectra of a sample of 17 candidate young low-mass stars and BDs in the rho-Ophiucus cluster. We derived SpT and Av for all the targets…
Solar wind turbulence from MHD to sub-ion scales: high-resolution hybrid simulations
Luca Franci, Andrea Verdini, Lorenzo Matteini +2
We present results from a high-resolution and large-scale hybrid (fluid electrons and particle-in-cell protons) two-dimensional numerical simulation of decaying turbulence. Two dis…
The Gaia-ESO Survey: Detailed Abundances in the Metal-poor Globular Cluster NGC 4372
I. San Roman, C. Muñoz, D. Geisler +28
We present the abundance analysis for a sample of 7 red giant branch stars in the metal-poor globular cluster NGC 4372 based on UVES spectra acquired as part of the Gaia-ESO Survey…
Anisotropy of third-order structure functions in MHD turbulence
Andrea Verdini, Roland Grappin, Petr Hellinger +2
The measure of the third-order structure function, Y, is employed in the solar wind to compute the cascade rate of turbulence. In the absence of a mean field B0=0, Y is expected to…
An Unbiased 1.3 mm Emission Line Survey of the Protoplanetary Disk Orbiting LkCa 15
Kristina M. Punzi, Pierre Hily-Blant, Joel H. Kastner +2
The outer (>30 AU) regions of the dusty circumstellar disk orbiting the ~2-5 Myr-old, actively accreting solar analog LkCa 15 are known to be chemically rich, and the inner disk ma…