Search Results - "Jacques Le Bourlot"

Learning from model grids: Tracers of the ionization fraction in the ISM by Bron, Emeric, Roueff, Evelyne, Gerin, Maryvonne, Pety, Jérôme, Gratier, Pierre, Le Petit, Franck, Guzman, Viviana, Orkisz, Jan, de Souza Magalhaes, Victor, Gaudel, Mathilde, Palud, Pierre, Einig, Lucas, Bardeau, Sébastien, Chainais, Pierre, Chanussot, Jocelyn, Goicoechea, Javier, Hughes, Annie, Kainulainen, Jouni, Languignon, David, Le Bourlot, Jacques, Levrier, François, Lis, Darek, Liszt, Harvey, Öberg, Karin, Peretto, Nicolas, Roueff, Antoine, Sievers, Albrecht, Thouvenin, Pierre-Antoine, Tremblin, Pascal

“…The ionization fraction in neutral interstellar clouds is a key physical parameter controlling multiple physical and chemical processes, and varying by orders…”
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Understanding the temperatures of H3 + and H2 in diffuse interstellar sightlines by Le Bourlot, Jacques, Roueff, Evelyne, Le Petit, Franck, Kehrein, Florian, Oetjens, Annika, Kreckel, Holger

“…The triatomic hydrogen ion $ \mathrm {H}_3^+ $ H 3 + is one of the most important species for the gas phase chemistry of the interstellar medium. Observations…”
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Revealing which Combinations of Molecular Lines are Sensitive to the Gas Physical Parameters of Molecular Clouds by Pety, Jérôme, Gerin, Maryvonne, Bron, Emeric, Gratier, Pierre, Orkisz, Jan H, Palud, Pierre, Roueff, Antoine, Einig, Lucas, Santa-Maria, Miriam G, de Souza Magalhaes, Victor, Bardeau, Sébastien, Chanussot, Jocelyn, Chainais, Pierre, Goicoechea, Javier R, Guzman, Viviana V, Hughes, Annie, Kainulainen, Jouni, Languignon, David, Levrier, François, Lis, Darek, Liszt, Harvey S, Jacques Le Bourlot, Franck Le Petit, Oberg, Karin, Peretto, Nicolas, Roueff, Evelyne, Sievers, Albrecht, Pierre-Antoine Thouvenin, Tremblin, Pascal

“…Atoms and molecules have long been thought to be versatile tracers of the cold neutral gas in the universe, from high-redshift galaxies to star forming regions…”
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H I-TO-H 2 TRANSITIONS AND H I COLUMN DENSITIES IN GALAXY STAR-FORMING REGIONS by Sternberg, Amiel, Le Petit, Franck, Roueff, Evelyne, Le Bourlot, Jacques

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A highly efficient Voigt program for line profile computation by Zaghloul, Mofreh R., Le Bourlot, Jacques

“…Evaluation of the Voigt function, a convolution of a Lorentzian and a Gaussian profile, is essential in various fields such as spectroscopy, atmospheric…”
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Sustained oscillations in Interstellar chemistry models by Roueff, Evelyne, Bourlot, Jacques Le

“…A&A 643, A121 (2020) Non-linear behavior in interstellar chemical models has been recognized for 25 years now. Different mechanisms account for the possibility…”
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Quantifying the informativity of emission lines to infer physical conditions in giant molecular clouds. I. Application to model predictions by Einig, Lucas, Palud, Pierre, Roueff, Antoine, Pety, Jérôme, Bron, Emeric, Petit, Franck Le, Gerin, Maryvonne, Chanussot, Jocelyn, Chainais, Pierre, Thouvenin, Pierre-Antoine, Languignon, David, Bešlić, Ivana, Coudé, Simon, Mazurek, Helena, Orkisz, Jan H, Santa-Maria, Miriam G, Ségal, Léontine, Zakardjian, Antoine, Bardeau, Sébastien, Demyk, Karine, Magalhães, Victor de Souza, Goicoechea, Javier R, Gratier, Pierre, Guzmán, Viviana V, Hughes, Annie, Levrier, François, Bourlot, Jacques Le, Lis, Dariusz C, Liszt, Harvey S, Peretto, Nicolas, Roueff, Evelyne, Sievers, Albrecht

“…A&A 691, A109 (2024) Observations of ionic, atomic, or molecular lines are performed to improve our understanding of the interstellar medium (ISM). However,…”
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Neural network-based emulation of interstellar medium models by Palud, Pierre, Einig, Lucas, Petit, Franck Le, Bron, Emeric, Chainais, Pierre, Chanussot, Jocelyn, Pety, Jérôme, Thouvenin, Pierre-Antoine, Languignon, David, Bešlić, Ivana, Santa-Maria, Miriam G, Orkisz, Jan H, Ségal, Léontine E, Zakardjian, Antoine, Bardeau, Sébastien, Gerin, Maryvonne, Goicoechea, Javier R, Gratier, Pierre, Guzman, Viviana V, Hughes, Annie, Levrier, François, Liszt, Harvey S, Bourlot, Jacques Le, Roueff, Antoine, Sievers, Albrecht

“…A&A 678, A198 (2023) The interpretation of observations of atomic and molecular tracers in the galactic and extragalactic interstellar medium (ISM) requires…”
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Understanding the temperatures of H 3 + and H 2 in diffuse interstellar sightlines by Le Bourlot, Jacques, Roueff, Evelyne, Le Petit, Franck, Kehrein, Florian, Oetjens, Annika, Kreckel, Holger

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Deep learning denoising by dimension reduction: Application to the ORION-B line cubes by Einig, Lucas, Pety, Jérôme, Roueff, Antoine, Vandame, Paul, Chanussot, Jocelyn, Gerin, Maryvonne, Orkisz, Jan H, Palud, Pierre, Santa-Maria, Miriam Garcia, Magalhaes, Victor de Souza, Bešlić, Ivana, Bardeau, Sébastien, Bron, Emeric E, Chainais, Pierre, Goicoechea, Javier R, Gratier, Pierre, Veloso, Viviana Guzman, Hughes, Annie, Kainulainen, Jouni, Languignon, David, Lallement, Rosine, Levrier, François, Lis, Dariuscz C, Liszt, Harvey, Bourlot, Jacques Le, Petit, Franck Le, Öberg, Karin Danielsson, Peretto, Nicolas, Roueff, Evelyne, Sievers, Albrecht, Thouvenin, Pierre-Antoine, Tremblin, Pascal

“…A&A 677, A158 (2023) Context. The availability of large bandwidth receivers for millimeter radio telescopes allows the acquisition of…”
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Gas kinematics around filamentary structures in the Orion B cloud by Gaudel, Mathilde, Orkisz, Jan H, Gerin, Maryvonne, Pety, Jérôme, Roueff, Antoine, Marchal, Antoine, Levrier, François, Miville-Deschênes, Marc-Antoine, Goicoechea, Javier R, Roueff, Evelyne, Petit, Franck Le, Magalhaes, Victor de Souza, Palud, Pierre, Santa-Maria, Miriam G, Vono, Maxime, Bardeau, Sébastien, Bron, Emeric, Chainais, Pierre, Chanussot, Jocelyn, Gratier, Pierre, Guzman, Viviana, Hughes, Annie, Kainulainen, Jouni, Languignon, David, Bourlot, Jacques Le, Liszt, Harvey, Öberg, Karin, Peretto, Nicolas, Sievers, Albrecht, Tremblin, Pascal

“…A&A 670, A59 (2023) Understanding the initial properties of star-forming material and how they affect the star formation process is key. From an observational…”
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The chemistry of disks around T Tauri and Herbig Ae/Be stars by Agundez, Marcelino, Roueff, Evelyne, Petit, Franck Le, Bourlot, Jacques Le

“…A&A 616, A19 (2018) Infrared and (sub-)mm observations of disks around T Tauri and Herbig Ae/Be stars point to a chemical differentiation between both types of…”
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A Model for Atomic and Molecular Interstellar Gas: The Meudon PDR Code by Le Petit, Franck, Nehmé, Cyrine, Le Bourlot, Jacques, Roueff, Evelyne

“…We present the revised ``Meudon'' model of photon-dominated region (PDR) code, available on the Web under the GNU Public License. General organization of the…”
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Chemical Evolution of Turbulent Multiphase Molecular Clouds by Valdivia, Valeska, Hennebelle, Patrick, Godard, Benjamin, Gerin, Maryvonne, Lesaffre, Pierre, Bourlot, Jacques Le

“…Molecular clouds are essentially made up of atomic and molecular hydrogen, which in spite of being the simplest molecule in the ISM plays a key role in the…”
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Chemical modeling of internal photon-dominated regions surrounding deeply embedded HC/UCHII regions by Stéphan, Gwendoline, Schilke, Peter, Bourlot, Jacques Le, Schmiedeke, Anika, Choudhury, Rumpa, Godard, Benjamin, Sánchez-Monge, Álvaro

“…A&A 617, A60 (2018) We aim to investigate the chemistry of internal photon-dominated regions surrounding deeply embedded hypercompact and ultracompact HII…”
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Origin of CH+ in diffuse molecular clouds warm H2 and ion-neutral drift by Valdivia, Valeska, Godard, Benjamin, Hennebelle, Patrick, Gerin, Maryvonne, Lesaffre, Pierre, Bourlot, Jacques Le

“…A&A 600, A114 (2017) This paper assesses the roles of the presence of warm H2, and the increased formation rate due to the ion-neutral drift. We performed…”
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Tracers of the ionization fraction in dense and translucent gas: I. Automated exploitation of massive astrochemical model grids by Bron, Emeric, Roueff, Evelyne, Gerin, Maryvonne, Pety, Jérôme, Gratier, Pierre, Petit, Franck Le, Guzman, Viviana, Orkisz, Jan H, Magalhaes, Victor de Souza, Gaudel, Mathilde, Vono, Maxime, Bardeau, Sébastien, Chainais, Pierre, Goicoechea, Javier R, Hughes, Annie, Kainulainen, Jouni, Languignon, David, Bourlot, Jacques Le, Levrier, François, Liszt, Harvey, Öberg, Karin, Peretto, Nicolas, Roueff, Antoine, Sievers, Albrecht

“…A&A 645, A28 (2021) The ionization fraction plays a key role in the physics and chemistry of the neutral interstellar medium, from controlling the coupling of…”
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C18O, 13CO, and 12CO abundances and excitation temperatures in the Orion B molecular cloud: An analysis of the precision achievable when modeling spectral line within the Local Thermodynamic Equilibrium approximation by Roueff, Antoine, Gerin, Maryvonne, Gratier, Pierre, Levrier, Francois, Pety, Jerome, Gaudel, Mathilde, Goicoechea, Javier R, Orkisz, Jan H, Magalhaes, Victor de Souza, Vono, Maxime, Bardeau, Sebastien, Bron, Emeric, Chanussot, Jocelyn, Chainais, Pierre, Guzman, Viviana V, Hughes, Annie, Kainulainen, Jouni, Languignon, David, Bourlot, Jacques Le, Petit, Franck Le, Liszt, Harvey S, Marchal, Antoine, Miville-Deschenes, Marc-Antoine, Peretto, Nicolas, Roueff, Evelyne, Sievers, Albrecht

“…A&A 645, A26 (2021) CO isotopologue transitions are routinely observed in molecular clouds to probe the column density of the gas, the elemental ratios of…”
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Efficient ortho-para conversion of H2 on interstellar grain surfaces by Bron, Emeric, Petit, Franck Le, Bourlot, Jacques Le

“…A&A 588, A27 (2016) Context: Fast surface conversion between ortho- and para-H2 has been observed in laboratory studies, and this mechanism has been proposed…”
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A Fully Bayesian Approach For Inferring Physical Properties With Credibility Intervals From Noisy Astronomical Data by Vono, Maxime, Goicoechea, Javier R., Gratier, Pierre, Guzman, Viviana V., Hughes, Annie, Kainulainen, Jouni, Languignon, David, Bourlot, Jacques Le, Levrier, Fracois, Listz, Harvey S., Oberg, Karin I., Bron, Emeric, Orkisz, Jan H., Peretto, Nicolas, Pety, Jerome, Roueff, Antoine, Roueff, Evelyne, Sievers, Albrecht, Magalhaes, Victor de Souza, Tremblin, Pascal, Chainais, Pierre, Petit, Franck Le, Bardeau, Sebastien, Bourguignon, Sebastien, Chanussot, Jocelyn, Gaudel, Mathilde, Gerin, Maryvonne

“…The atoms and molecules of interstellar clouds emit photons when passing from an excited state to a lower energy state. The resulting emission lines can be…”
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