Séminaires

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18 février 2020

X-raying nearby supernova remnants

Le 12 octobre 2018 De 10h30 à 12h00 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 Clouds (MCs) offer an ideal laboratory for the...

18 février 2020

The evolution of cool dwarf spin rates: Data, models, and tensions

Le 5 octobre 2018 De 10h30 à 12h00 Marcel Agüeros Columbia   Stellar ages are notoriously difficult to measure accurately for main-sequence low-mass stars, severely limiting our ability to address questions ranging from the evolutionary state of exoplanets to the chemical...

18 février 2020

Dark Matter and Dark Energy in the 2020s

Le 21 septembre 2018 De 10h30 à 12h00 Adriano Agnello ESO   Much of today's Universe is "dark". In the concordance cosmological scenario, Dark Energy is the likely culprit for the (observed) accelerated expansion of the Universe, while Dark Matter governs the motions of...

18 février 2020

Understanding the gas dynamics in the central 3 kpc of the Milky Way

Le 7 septembre 2018 De 10h30 à 12h00 Mattia Sormani Heidelberg I give an introduction to the gas dynamics in the bar region of the Milky Way, which is characterised by strong non-circular motions. I show how this allows to interpret the observed CO and HI longitude-velocity...

18 février 2020

Dark matter in elliptical galaxies – the case of NGC 3311

Le 29 juin 2018 De 10h30 à 12h00 Tom Richtler Universidad de Concepción   The question whether elliptical galaxies fall onto the same baryonic Tully-Fisher-relation as spiral galaxies, obviously is critical for the universal character of the phenomenology among galaxies....

18 février 2020

Exploring galaxy evolution with deep learning

Le 22 juin 2018 De 10h30 à 12h00 Marc Huertas-Company Observatoire de Paris   Thanks to rapidly improving technology,  astronomy is entering the big data era. New surveys that will be available in 2-5 years will contain multi-wavelength images of billions of galaxies and...