Archives Séminaires 2020-2021

Séminaire IPAG de Linda Podio (Arcetri), jeudi 17 juin 2021, 11h00, IPAG seminar room

In the last five years ALMA revolutionised our comprehension of planet formation. The first breakthrough was delivered by the impacting images of the rings and gaps in protoplanetary disks, providing the first direct evidence of planet formation in fieri. On the other hand, ALMA is also revolutionising our comprehension of the disk chemistry, which is crucial to answer another key question about planet formation : what chemical composition planets inherit from their natal environment ? (…)

Séminaire IPAG de Lucas Guillemot (LPC2E), jeudi 24 juin 2021, 11h00, IPAG seminar room

Pulsars are highly-magnetized, rapidly-rotating neutron stars born in supernova explosions of massive stars. They produce beams of emission that are swept across the sky periodically, in a similar way as marine lighthouses.
Pulsar timing, at radio wavelengths in particular, finds applications in a wide range of physical and astrophysical domains, from tests of theories of gravity to the study of the Galactic magnetic field, or the search for low frequency gravitational waves, via the (…)

Séminaire IPAG de Maryvonne Gérin (LERMA), jeudi 1 juillet 2021, 11h00, IPAG seminar room

Molecules have long been thought to be versatile tracers of cold neutral media in the universe, from high-redshift galaxies to star forming regions and proto-planetary disks, because their internal degrees of freedom are controlled by physical conditions in their environments. However, the promise that molecular emission can be used to quantitatively probe the physical and chemical state of the interstellar medium is still hampered by the incomplete understanding of the complex physical and (…)