Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Levrier, François"'
Autor:
Roueff, Antoine, Pety, Jérôme, Gerin, Maryvonne, Ségal, Léontine, Goicoechea, Javier, Liszt, Harvey, Gratier, Pierre, Bešlić, Ivana, Einig, Lucas, Gaudel, M., Orkisz, Jan, Palud, Pierre, Santa-Maria, Miriam, Magalhaes, Victor de Souza, Zakardjian, Antoine, Bardeau, Sebastien, Bron, Emeric E., Chainais, Pierre, Coudé, Simon, Demyk, Karine, Veloso, Viviana Guzman, Hughes, Annie, Languignon, David, Levrier, François, Lis, Dariusz C, Bourlot, Jacques Le, Petit, Franck Le, Peretto, Nicolas, Roueff, Evelyne, Sievers, Albrecht, Thouvenin, Pierre-Antoine
Robust radiative transfer techniques are requisite for efficiently extracting the physical and chemical information from molecular rotational lines.We study several hypotheses that enable robust estimations of the column densities and physical condit
Externí odkaz:
http://arxiv.org/abs/2403.20057
Autor:
Bešlić, Ivana, Coudé, Simon, Lis, Dariusz C., Gerin, Maryvonne, Goldsmith, Paul F., Pety, Jerome, Roueff, Antoine, Demyk, Karine, Dowell, Charles D., Einig, Lucas, Goicoechea, Javier R., Levrier, Francois, Orkisz, Jan, Peretto, Nicolas, Santa-Maria, Miriam G., Ysard, Nathalie, Zakardjian, Antoine
Star formation is essential in galaxy evolution and the cycling of matter. The support of interstellar clouds against gravitational collapse by magnetic (B-) fields has been proposed to explain the low observed star formation efficiency in galaxies a
Externí odkaz:
http://arxiv.org/abs/2401.17171
Autor:
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
Publikováno v:
A&A 678, A198 (2023)
The interpretation of observations of atomic and molecular tracers in the galactic and extragalactic interstellar medium (ISM) requires comparisons with state-of-the-art astrophysical models to infer some physical conditions. Usually, ISM models are
Externí odkaz:
http://arxiv.org/abs/2309.01724
Autor:
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
Publikováno v:
A&A 677, A158 (2023)
Context. The availability of large bandwidth receivers for millimeter radio telescopes allows the acquisition of position-position-frequency data cubes over a wide field of view and a broad frequency coverage. These cubes contain much information on
Externí odkaz:
http://arxiv.org/abs/2307.13009
Autor:
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
Publikováno v:
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 point of view, the feedback from young high-mass stars on future star formation properties is still poorly cons
Externí odkaz:
http://arxiv.org/abs/2211.14350
Autor:
Blancard, Bruno Régaldo-Saint, Allys, Erwan, Auclair, Constant, Boulanger, François, Eickenberg, Michael, Levrier, François, Vacher, Léo, Zhang, Sixin
The quest for primordial $B$-modes in the cosmic microwave background has emphasized the need for refined models of the Galactic dust foreground. Here, we aim at building a realistic statistical model of the multi-frequency dust emission from a singl
Externí odkaz:
http://arxiv.org/abs/2208.03538
In-flight polarization angle calibration for LiteBIRD: blind challenge and cosmological implications
Autor:
Krachmalnicoff, Nicoletta, Matsumura, Tomotake, de la Hoz, Elena, Basak, Soumen, Gruppuso, Alessandro, Minami, Yuto, Baccigalupi, Carlo, Komatsu, Eiichiro, Martínez-González, Enrique, Vielva, Patricio, Aumont, Jonathan, Aurlien, Ragnhild, Azzoni, Susanna, Banday, Anthony J., Barreiro, Rita B., Bartolo, Nicola, Bersanelli, Marco, Calabrese, Erminia, Carones, Alessandro, Casas, Francisco J., Cheung, Kolen, Chinone, Yuji, Columbro, Fabio, de Bernardis, Paolo, Diego-Palazuelos, Patricia, Errard, Josquin, Finelli, Fabio, Fuskeland, Unni, Galloway, Mathew, Genova-Santos, Ricardo T., Gerbino, Martina, Ghigna, Tommaso, Giardiello, Serena, Gjerløw, Eirik, Hazumi, Masashi, Henrot-Versillé, Sophie, Kisner, Theodore, Lamagna, Luca, Lattanzi, Massimiliano, Levrier, François, Luzzi, Gemma, Maino, Davide, Masi, Silvia, Migliaccio, Marina, Montier, Ludovic, Morgante, Gianluca, Mot, Baptiste, Nagata, Ryo, Nati, Federico, Natoli, Paolo, Pagano, Luca, Paiella, Alessandro, Paoletti, Daniela, Patanchon, Guillaume, Piacentini, Francesco, Polenta, Gianluca, Poletti, Davide, Puglisi, G., Remazeilles, Mathieu, Rubino-Martin, Jose Alberto, Sasaki, Manami, Shiraishi, Maresuke, Signorelli, Giovanni, Stever, Samantha, Tartari, Andrea, Tristram, Matthieu, Tsuji, Masatoshi, Vacher, Léo, Wehus, Ingunn K., Zannoni, Mario
We present a demonstration of the in-flight polarization angle calibration for the JAXA/ISAS second strategic large class mission, LiteBIRD, and estimate its impact on the measurement of the tensor-to-scalar ratio parameter, r, using simulated data.
Externí odkaz:
http://arxiv.org/abs/2111.09140
Autor:
Jeffrey, Niall, Boulanger, François, Wandelt, Benjamin D., Blancard, Bruno Regaldo-Saint, Allys, Erwan, Levrier, François
With a single training image and using wavelet phase harmonic augmentation, we present polarized Cosmic Microwave Background (CMB) foreground marginalization in a high-dimensional likelihood-free (Bayesian) framework. We demonstrate robust foreground
Externí odkaz:
http://arxiv.org/abs/2111.01138
Autor:
Blancard, Bruno Regaldo-Saint, Allys, Erwan, Boulanger, François, Levrier, François, Jeffrey, Niall
Publikováno v:
A&A 649, L18 (2021)
Dust emission is the main foreground for cosmic microwave background (CMB) polarization. Its statistical characterization must be derived from the analysis of observational data because the precision required for a reliable component separation is fa
Externí odkaz:
http://arxiv.org/abs/2102.03160
Autor:
Gratier, Pierre, Pety, Jérôme, Bron, Emeric, Roueff, Antoine, Orkisz, Jan H., Gerin, Maryvonne, Magalhaes, Victor de Souza, Gaudel, Mathilde, Vono, Maxime, Bardeau, Sébastien, Chanussot, Jocelyn, Chainais, Pierre, Goicoechea, Javier R., Guzmán, Viviana V., Hughes, Annie, Kainulainen, Jouni, Languignon, David, Bourlot, Jacques Le, Petit, Franck Le, Levrier, François, Liszt, Harvey, Peretto, Nicolas, Roueff, Evelyne, Sievers, Albrecht
Publikováno v:
A&A 645, A27 (2021)
Molecular hydrogen being unobservable in cold molecular clouds, the column density measurements of molecular gas currently rely either on dust emission observation in the far-IR or on star counting. (Sub-)millimeter observations of numerous trace mol
Externí odkaz:
http://arxiv.org/abs/2008.13417