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Le 20 septembre 2019 De 10h30 à 12h00 Florent Renaud Lund In the Gaia era, and with more and more complete surveys, the assembly of the Milky Way is being scrutinized with an always increasing accuracy. The kinematic and chemical properties of stellar populations are...
Le 13 septembre 2019 De 10h30 à 12h00 Jean-Loup Puget IAS/ENS Les données de la mission Planck ont vérifié plusieurs prédictions génériques du paradigme d'inflation qui donne une base physique aux conditions initiales du modèle historique du "big bang". Les...
Le 6 septembre 2019 De 10h30 à 12h00 Guilet Jérôme CEA The birth of a neutron star with an extremely strong magnetic field, called a magnetar, has emerged as a promising scenario to power a variety of outstanding explosive events. This includes gamma-ray bursts, supernovae...
Le 30 août 2019 De 10h30 à 12h00 Nicolas Martin ObAS The Maunakea Spectroscopic Explorer (MSE, formerly Next Generation CFHT) is an advanced project to profoundly transform the current CFHT into a survey telescope with a 10-meter mirror and a dedicated, heavily multiplexed,...
Le 19 juillet 2019 De 10h30 à 12h00 Prof. Zhang ShuangnanInstitute of High Energy Physics, Chinese Academy of Science (Beijing) Insight-HXMT is China's first X-ray astronomy satellite and was successfully launched on June 15th, 2017. It carries three sets of collimated X-ray...
Le 5 juillet 2019 De 10h30 à 12h00 Khyati Malhan Stockholm University “Tidal stellar streams” have recently sparked burgeoning interest among the community. These structures, that are formed by the tidal disruption of globular clusters or satellite galaxies by the potential...
Le 28 juin 2019 De 10h30 à 12h00 Frédéric Marin Observatoire astronomique de Strasbourg Worldships are hypothetical, large, self-contained spacecrafts for crewed interstellar travel, taking centuries to reach other worlds. Due to their crewed nature, size and long trip...
Le 21 juin 2019 De 10h30 à 12h00 Jun Yang University of Utah The overall objective of my research is to improve understanding of the properties and structures of high-mass X-ray binary (XRB) pulsars, by bringing together a large set of observations spanning the observable...
Le 14 juin 2019 De 10h30 à 12h00 Indranil Banik University of Bonn Binary stars separated by >3 kAU have orbital accelerations smaller than those typically experienced by stars in the outskirts of galaxies, whose galactocentric motions evince sometimes very large...
Le 7 juin 2019 De 10h30 à 12h00 George I. Melikidze University of Zielona GoraRotation Powered Pulsars have an active magnetosphere where pair plasma can accelerate in localized regions of high electric fields, the so called gap regions. To explain observational features of...