Search Results - "Cristofari, P"

Particle acceleration in winds of star clusters by Morlino, G, Blasi, P, Peretti, E, Cristofari, P

“…ABSTRACT The origin of cosmic rays in our Galaxy remains a subject of active debate. While supernova remnant (SNR) shocks are often invoked as the sites of…”
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Constraining atmospheric parameters and surface magnetic fields with ZeeTurbo: an application to SPIRou spectra by Cristofari, P I, Donati, J-F, Folsom, C P, Masseron, T, Fouqué, P, Moutou, C, Artigau, E, Carmona, A, Petit, P, Delfosse, X, Martioli, E

“…ABSTRACT We report first results on a method aimed at simultaneously characterizing atmospheric parameters and magnetic properties of M dwarfs from…”
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Estimating the atmospheric properties of 44 M dwarfs from SPIRou spectra by Cristofari, P I, Donati, J-F, Masseron, T, Fouqué, P, Moutou, C, Carmona, A, Artigau, E, Martioli, E, Hébrard, G, Gaidos, E, Delfosse, X

“…ABSTRACT We describe advances on a method designed to derive accurate parameters of M dwarfs. Our analysis consists in comparing high-resolution infrared…”
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Estimating fundamental parameters of nearby M dwarfs from SPIRou spectra by Cristofari, P I, Donati, J-F, Masseron, T, Fouqué, P, Moutou, C, Delfosse, X, Artigau, E, Folsom, C P, Carmona, A, Gaidos, E, do Nascimento, J-D, Jahandar, F, Hébrard, G

“…ABSTRACT We present the results of a study aiming at retrieving the fundamental parameters of M dwarfs from spectra secured with SPIRou, the near-infrared…”
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SPIRou monitoring of the protostar V347 Aur: binarity, magnetic fields, pulsed dynamo, and accretion by Donati, J -F, Cristofari, P I, Carmona, A, Grankin, K

“…ABSTRACT We present in this paper an analysis of near-infrared observations of the 0.3-${\rm M}_{\odot }$ protostar V347 Aurigae (V347 Aur) collected with the…”
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Gamma-rays from reaccelerated particles at supernova remnant shocks by Cristofari, P, Blasi, P

“…ABSTRACT Diffusive shock acceleration is considered as the main mechanism for particle energization in supernova remnants, as well as in other classes of…”
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The magnetic field and multiple planets of the young dwarf AU Mic by Donati, J-F, Cristofari, P I, Finociety, B, Klein, B, Moutou, C, Gaidos, E, Cadieux, C, Artigau, E, Correia, A C M, Boué, G, Cook, N J, Carmona, A, Lehmann, L T, Bouvier, J, Martioli, E, Morin, J, Fouqué, P, Delfosse, X, Doyon, R, Hébrard, G, Alencar, S H P, Laskar, J, Arnold, L, Petit, P, Kóspál, Á, Vidotto, A, Folsom, C P, collaboration, the S L S

“…ABSTRACT In this paper, we present an analysis of near-infrared spectropolarimetric and velocimetric data of the young M dwarf AU Mic, collected with SPIRou at…”
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Abundance matching for low-mass galaxies in the CDM and FDM models by Cristofari, P, Ostriker, J P

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Monitoring the young planet host V1298 Tau with SPIRou: planetary system and evolving large-scale magnetic field by Finociety, B, Donati, J-F, Cristofari, P I, Moutou, C, Cadieux, C, Cook, N J, Artigau, E, Baruteau, C, Debras, F, Fouqué, P, Bouvier, J, Alencar, S H P, Delfosse, X, Grankin, K, Carmona, A, Petit, P, Kóspál, Á

“…ABSTRACT We report results of a spectropolarimetric monitoring of the young Sun-like star V1298 Tau based on data collected with the near-infrared…”
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Time-dependent high-energy gamma-ray signal from accelerated particles in core-collapse supernovae: the case of SN 1993J by Cristofari, P, Renaud, M, Marcowith, A, Dwarkadas, V V, Tatischeff, V

“…ABSTRACT Some core-collapse supernovae are likely to be efficient cosmic ray accelerators up to the PeV range, and therefore, to potentially play an important…”
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The classical T Tauri star CI Tau observed with SPIRou: magnetospheric accretion and planetary formation by Donati, J -F, Finociety, B, Cristofari, P I, Alencar, S H P, Moutou, C, Delfosse, X, Fouqué, P, Arnold, L, Baruteau, C, Kóspál, Á, Ménard, F, Carmona, A, Grankin, K, Takami, M, Artigau, E, Doyon, R, Hébrard, G

“…ABSTRACT We report new observations of the classical T Tauri star CI Tau with the SPIRou near-infrared spectropolarimeter and velocimeter at the…”
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Measuring small-scale magnetic fields of 44 M dwarfs from SPIRou spectra with ZeeTurbo by Cristofari, P I, Donati, J-F, Moutou, C, Lehmann, L T, Charpentier, P, Fouqué, P, Folsom, C P, Masseron, T, Carmona, A, Delfosse, X, Petit, P, Artigau, E, Cook, N J

“…ABSTRACT We present the results of an analysis aimed at probing the small-scale magnetic fields of M dwarfs observed with SPIRou, the nIR high-resolution…”
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Magnetic fields and rotation periods of M dwarfs from SPIRou spectra by Donati, J-F, Lehmann, L T, Cristofari, P I, Fouqué, P, Moutou, C, Charpentier, P, Ould-Elhkim, M, Carmona, A, Delfosse, X, Artigau, E, Alencar, S H P, Cadieux, C, Arnold, L, Petit, P, Morin, J, Forveille, T, Cloutier, R, Doyon, R, Hébrard, G

“…ABSTRACT We present near-infrared spectropolarimetric observations of a sample of 43 weakly to moderately active M dwarfs, carried with SPIRou at the…”
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Gamma-rays and neutrinos from RX J1713–3946 in a lepto–hadronic scenario by Cristofari, P, Niro, V, Gabici, S

“…ABSTRACT The gamma-ray emission of RX J1713–3946, despite being extensively studied in the GeV and TeV domains, remains poorly understood. This is mostly…”
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Acceleration of cosmic rays and gamma-ray emission from supernova remnants in the Galaxy by Cristofari, P., Gabici, S., Casanova, S., Terrier, R., Parizot, E.

“…Galactic cosmic rays are believed to be accelerated at supernova remnant shocks. Though very popular and robust, this conjecture still needs a conclusive…”
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On the search for Galactic supernova remnant PeVatrons with current TeV instruments by Cristofari, P, Gabici, S, Terrier, R, Humensky, T B

“…The supernova remnant hypothesis for the origin of Galactic cosmic rays has passed several tests, but the firm identification of a supernova remnant PeVatron,…”
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The first days of Type II-P core collapse supernovae in the gamma-ray range by Cristofari, P, Marcowith, A, Renaud, M, Dwarkadas, V V, Tatischeff, V, Giacinti, G, Peretti, E, Sol, H

“…ABSTRACT Type II-P supernovæ (SNe), the most common core-collapse SNe type, result from the explosions of red supergiant stars. Their detection in the radio…”
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SPIRou spectropolarimetry of the T Tauri star TW Hydrae: magnetic fields, accretion and planets by Cristofari, P, Lehmann, L, Moutou, Claire, Alencar, Silvia, Bouvier, J, Arnold, L, Delfosse, X, Artigau, E, Cook, N, Kóspál, Á, Ménard, F, Baruteau, C, Takami, M, Cabrit, Sylvie, Hébrard, Guillaume, Doyon, R

“…In this paper we report near-infrared observations of the classical T Tauri star TW Hya with the SPIRou high-resolution spectropolarimeter and velocimeter at…”
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Active Cushing syndrome patients have increased ectopic fat deposition and bone marrow fat content compared to cured patients and healthy subjects: a pilot 1H-MRS study by Maurice, F, Dutour, A, Vincentelli, C, Abdesselam, I, Bernard, M, Dufour, H, Lefur, Y, Graillon, T, Kober, F, Cristofari, P, Jouve, E, Pini, L, Fernandez, R, Chagnaud, C, Brue, T, Castinetti, F, Gaborit, B

“…Objective Glucocorticoid excess is one of the most important causes of bone disorders. Bone marrow fat (BMF) has been identified as a new mediator of bone…”
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The Hunt for Pevatrons: The Case of Supernova Remnants by Cristofari, Pierre

“…The search for Galactic pevatrons is now a well-identified key science project of all instruments operating in the very-high-energy domain. Indeed, in this…”
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