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Past internal seminars

Relativistic charge solitons caused due to Nonlinear-Landau damping : A candidate to explain coherent radio emission from pulsars

May 24, 2019
From 10:30 until 12:00

Dipanjan Mitra National Centre for Radio Astrophysics, Tata Institute of Fundamental Research   Collective plasma emissions in astrophysics are referred to as coherent emission. Radio emission...[more]

Evolution of Local Group dwarf galaxies as probed by resolved stellar populations

May 17, 2019
From 10:30 until 12:00

Giuseppina Battaglia Instituto de Astrofísica de Canarias The dwarf galaxies inhabiting the Local Group (LG) can be studied from a currently unique perspective, that of resolved stellar...[more]

La Science Ouverte, l'Astronomie et le CDS

April 26, 2019
From 10:30 until 12:00

Françoise Genova ObAS Le Ministère de l'Enseignement Supérieur, de la Recherche et de l'Innovation a publié en juillet 2018 son "Plan National pour la Science Ouverte". C'est un sujet "chaud" au...[more]

What's new at CDS ?

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

Sébastien Derrière ObAS Besides its well-known services like SIMBAD and VizieR, a number of new services haveemerged in the recent years, like the cross-match service and CDS portal, but also...[more]

How to make astrophysical jets - MHD simulations of the accretion-ejection structure

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

Christian Fendt MPIA Heidelberg I will present MHD simulations investigating the launching of astrophysical jets. The simulations treat the time-dependent evolution of the accretion-ejection...[more]

Exploring the sources of cosmic reionization

March 22, 2019
From 10:30 until 12:00

Maxime Trebitsch IAP Cosmic reionization is one of the last major milestones in the evolution of the Universe. In roughly one billion years, the bulk of the hydrogen in the Universe is fully...[more]

On the diversity of Type II supernova light curve and spectra

March 15, 2019
From 10:30 until 12:00

Luc Dessart Observatoire de la Côte d'Azur Nearly all stars above 8Msun eventually form a degenerate metal-rich core and collapse. This collapse may be followed by a powerful, neutrino-driven,...[more]

Strong gravitational lensing as a clean observational probe of dark matter

March 8, 2019
From 10:30 until 12:00

Simona Vegetti (MPA)   The nature of dark matter is one of the most important unsolved problems of modern astrophysics, and strong gravitational lensing is a very promising tool to tackle this...[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...