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Past internal seminars

Magnetar birth as engine of extreme stellar explosions

September 6, 2019
From 10:30 until 12:00

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...[more]

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

August 30, 2019
From 10:30 until 12:00

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...[more]

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

July 19, 2019
From 10:30 until 12:00

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....[more]

Tidal stellar streams as probes of Gravity and Dark Matter

July 5, 2019
From 10:30 until 12:00

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...[more]

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

June 28, 2019
From 10:30 until 12:00

Frédéric Marin Observatoire astronomique de Strasbourg   Worldships are hypothetical, large, self-contained spacecrafts for crewed interstellar travel, taking centuries to reach other worlds. Due...[more]

[Translate to English:] High-mass X-ray binaries in nearby galaxies

June 21, 2019
From 10:30 until 12:00

[Translate to English:] Jun Yan 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...[more]

Testing weak-field gravity with wide binary stars

June 14, 2019
From 10:30 until 12:00

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...[more]

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

June 7, 2019
From 10:30 until 12:00

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...[more]

Search & Find
Dec 3 2020

Gaia is an ambitious ESA mission to chart a three-dimensional map of our Galaxy with unprecedented...

May 13 2020

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

Feb 25 2021

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

Dec 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...

Sep 19 2020

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