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Séminaires passés (à partir de sept. 2012)

Magnetar birth as engine of extreme stellar explosions

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...[En savoir plus]

Maunakea Spectroscopic Explorer - the premier 10m class spectroscopic survey observatory for the next decades

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...[En savoir plus]

Results of the Insight-HXMT X-ray Satellite and the future eXTP mission

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....[En savoir plus]

Tidal stellar streams as probes of Gravity and Dark Matter

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...[En savoir plus]

On the feasibility of interstellar travels with slower-than-light, multi-generational worldships

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...[En savoir plus]

High-mass X-ray binaries in nearby galaxies

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...[En savoir plus]

Testing weak-field gravity with wide binary stars

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...[En savoir plus]

The Partially Screened Gap (PSG) in pulsar magnetosphere: Theory and Observations

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...[En savoir plus]

Search & Find
déc. 3 2020

Gaia est une mission ambitieuse de l'Agence Spatiale Européenne (ESA)) visant à cartographier notre...

mai 13 2020

The ObAS seminars have moved online, every Friday morning at 10:30 here The program of the coming...

févr. 25 2021

Un poste de maître de conférences est ouvert au concours à l’Observatoire astronomique de...

déc. 15 2020

Comme la plupart des galaxies spirales, la Voie lactée a en son centre une condensation d'étoiles à...

oct. 9 2020

Le Globe de Coronelli de Strasbourg restauré sera inauguré officiellement (sur invitation) ce...

sept. 19 2020

En raison de la situation sanitaire, il n'y aura pas de visites de la Grande Coupole de...