Jean-Loup Puget
Conférence Jean-Loup Puget organisée par le Département de Physique.
Planck : results from the full mission including polarisation
The Planck collaboration releases the results and data from the full mission including polarisation. The Planck space mission has fulilled its initial goal of extracting essentially all the cosmological information in the temperature map of the Cosmic Microwave Background. It has also detected the polarisation with unprecedented sensitivity over the whole sky. The results of the Planck collaboration papers to appear soon will be presented. They bring a determination of the cosmological parameters independent from the intensity data. They also bring results relevant for the physics of the primodial universe as well as particle physics. The polarised foreground emission from interstellar dust has been mapped with a spectacular accuracy. It shows that the claim for detection of primordial gravity waves from the BICEP2 team using CMB data aquired at south pole was premature as the signal is dominated by tye dust B modes signal.
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Jean-Loup Puget
Cursus :
Ancien élève de l'École normale supérieure, Jean-Loup Puget est astrophysicien et directeur de recherche au CNRS.
En astrophysique théorique et observationnelle, Jean-Loup Puget a travaillé sur l'origine du rayonnement gamma galactique et extragalactique, la structure du milieu interstellaire et la formation des étoiles, et la cosmologie.
Après avoir collaboré à plusieurs grands projets d'astronomie spatiale européens, il est actuellement investigateur principal (PI) du module HFI de la mission spatiale Planck.
Jean-loup Puget est membre de l'Académie des sciences, et lauréat du Prix Jean Ricard en 1989.
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