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Past internal seminars

Gravitational probes of dark matter

December 7, 2018
From 10:30 until 12:00

Aurel Schneider (ETH Zurich)   I will discuss the most promising gravitational probes to constrain non-cold or collisional dark matter scenarios. This includes dwarf galaxy statistics, weak...[more]

The Galactic Disk in Action Space as seen by Gaia

November 30, 2018
From 10:30 until 12:00

Wilma Trick MPA Garching   The second Gaia data release from April 2018 has revealed an astounding amount of non-axisymmetric stellar substructure in the Milky Way. In this talk, I will present...[more]

Le vent nous portera...towards a better understanding of galaxies

November 23, 2018
From 10:30 until 12:00

Max Gronke UC Santa Barbara   Galactic winds are large-scale, multiphase outflows from galaxies and crucial for the galactic ecosystem. They are, thus, a potent probe for the underlying feedback...[more]

Molecular cloud rotation in M33 and M51

November 16, 2018
From 10:30 until 12:00

Jonathan Braine LAB, Bordeaux     Systematic rotation of molecular clouds was detected for the first time in the Local Group spiral Messier 33, where a sample of 566 molecular clouds is...[more]

Gravitational redshifts and Gravitational dynamics in galaxies and clusters

November 9, 2018
From 10:30 until 12:00

HongSheng Zhao University of St Andrews   I will discuss some common misperceptions about dynamics and lensing. Present and future large telescopes can provide a new type of data for modelling...[more]

Inert hydrogen clouds in the Virgo cluster : dark galaxies, tidal debris, or something else?

October 26, 2018
From 10:30 until 12:00

Rhys Taylor Astronomical Institute, Prague   The Arecibo Galaxy Environment Survey is a large-area, blind neutral hydrogen survey, designed to observe the full range of galaxy environments without...[more]

Galactic archaeology: Unravelling drivers of galaxy evolution with the Milky Way

October 19, 2018
From 10:30 until 12:00

Payel Das Oxford   Galaxy evolution seeks to understand how the featureless groups of stars in the early Universe metamorphosed into the diverse range of morphologies that can be observed today....[more]

X-raying nearby supernova remnants

October 12, 2018
From 10:30 until 12:00

Pierre Maggi ObAS   Supernova remnants (SNRs) are the fingerprints left in the interstellar medium by either thermonuclear (type Ia) or core-collapse (CC) supernova explosions. The Magellanic...[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...