Conférences - Astronomie, astrophysique et cosmologie - France

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1
Celebrating the first 40 years of Alexander Tielens' contribution to science: the physics and chemistry of the ISM.
02 sep 2019 • Avignon, France
Identifiant de l'évènement:
1164992
2
NUSTAR Week 2019
23 sep 2019 - 27 sep 2019 • Gif-sur-Yvette, France
Sujets:
NuSTAR (Nuclear Spectroscopic Telescope Array)
Identifiant de l'évènement:
1228550
3
School of Statistics for Astrophysics 2019 (Stat4Astro): Variability and Time Series Analysis
06 oct 2019 • Autrans, France
Identifiant de l'évènement:
1227286
4
FIRST GALAXIES, FIRST STRUCTURES
21 oct 2019 • OBSERVATORY OF PARIS, France
Identifiant de l'évènement:
1233598
5
MIST2019 — Cosmic turbulence and magnetic fields : physics of baryonic matter across time and scales
04 nov 2019 - 08 nov 2019 • Cargese, France
Résumé:
Gravity drives the evolution of the universe, but the gas dissipative dynamics is a central, yet unsolved, issue in the theory of galaxy formation. Current theories succeed in reproducing the observed mass distribution of galaxies only by introducing powerful stellar and black hole feedback that alleviate the rapid gas cooling and condensation into stars. An emergent alternative is that a large fraction of the gas internal energy is stored in turbulent motions instead of being radiated away and lost. Turbulence however adds a huge level of complexity to the physics of baryonic matter because cosmic turbulence involves magnetic fields and the plasma nature of the gas and because it pervades all the thermal phases from the hottest at more than one million Kelvin to the coldest at about 10 Kelvin in which stars form. The prodigious development of new facilities on the observational side, and the fast increase of computing power on the modeling side are opening up the field, calling for new multi-disciplinary approaches. The meeting will gather astrophysicists, observers and theorists of the local and high-redshift universe, with experts of turbulence and plasma physics to trigger cross-pollination between research fields usually discussed separately.
Contact:
Tél.: [+33679170204];     Email.: francois.boulanger@ens.fr
Sujets:
galaxy formation, star formation, interstellar matter, interstellar turbulence, magnetic fields, plasma physics
Identifiant de l'évènement:
1255548
6
CAFFELattes — Cosmological analyses featuring Galactic foreground emission
11 mai 2020 - 15 mai 2020 • Montpellier, France
Résumé:
The magnetized Galactic interstellar medium has become a main hindrance in the analysis of cosmological data. Galactic foregrounds are an issue in different observational contexts for the Cosmic Microwave Background (CMB), the HI 21cm signal from the epoch of reionization (EoR), line intensity mapping and lensing surveys. Galactic magnetic fields also upset the identification of sources of ultra-high energy cosmic rays and the measurement of extragalactic magnetic fields. In each context, cosmology is tied to Galactic astrophysics, and from a methodological point of view, to mathematics, because novel methods are required to model and reproduce the statistical properties of Galactic foregrounds and account for their complexity in the statistical inference of cosmological parameters. The meeting aims at bringing together scientists from Cosmology, Galactic Astrophysics and Mathematics for cross-fertilization. These three themes will be developed in parallel along the week in the context of CMB, large scale structure, EoR, cosmic magnetism and cosmic-ray science and experiments.
Contact:
Tél.: [+33679170204];     Email.: francois.boulanger@ens.fr
Sujets:
Cosmic microwave background, Large scale structure, Cosmic magnetism, Galactic astrophysics, Interstellar matter, Computational cosmology, component separation methods
Identifiant de l'évènement:
1253877
7
COOL STARS 21: Cambridge Workshop on Cool Stars, Stellar Systems and the Sun
21 jui 2020 • Toulouse, France
Identifiant de l'évènement:
1141951
8
The Physics of Star Formation: From Stellar Cores to Galactic Scales
29 jui 2020 - 03 jul 2020 • Lyon, France
Contact:
Email.: benoit.commercon@ans-lyon.fr
Sujets:
star formation, protostellar disk, Initial Mass Function, Star formation Rate, feedback, galactic evolution
Identifiant de l'évènement:
1213551


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Dernière mise à jour: 28 Juillet 2019