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Interstellar Matter and Cosmology

Welcome to the pages of the team Matière Interstellaire et Cosmologie (MIC) !


The team is made of two groups, Matière interstellaire (Interstellar Matter) and Cosmologie (Cosmology). Our research activities span a broad range of fields, from the physics of interstellar dust grains to the cosmology of the primordial universe. Details can be found on the Presentation page and on the thematic pages.



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4 weeks 10 hours ago

Former Ph.D. candidate at IAS, Jean-Baptiste Durrive has been selected as a Springer Thesis Award recipient for his doctoral thesis, defended the 13 October 2016. His manuscript, Baryonic Processes in the Large-Scale Structuring of the Universe, concerns two fundamental aspects of the evolution of the intergalactic gas, from the Epoch of Reionization until the present day Universe: the emergence of magnetic fields on cosmological scales, and the fragmentation of matter in the sheets and filaments of the cosmic web. His thesis has just been published in the Springer Theses collection. Congratulations Jean-Baptiste!

7 months 2 weeks ago

Nabila Aghanim, CNRS Directeur de Recherche at the Institut d’Astrophysique Spatiale in Orsay has just received the CNRS Silver Medal, a distinction, which «  honours every year researchers for the originality, the quality, and the significance of their work, recognised both in France and internationally, contributing thus to the influence of the CNRS and to the excellence of French research »

1 year 2 months ago

By combining multi-wavelength data obtained from space with Planck and WISE, and from the ground with MegaCam on the CFHT, a team of researchers has revealed the structure of the diffuse interstellar medium over several square degrees with unprecedented details. In particular, this study reveals the statistical properties of interstellar turbulence over a wide range of scales, from 0.01 to 10 pc.

1 year 11 months ago

The stratospheric balloon carrying the PILOT instrument was launched from Timmins in Canada at 9 pm (local time) on Sunday, September 20th. The gondola, weighting more than a ton, the heaviest the CNES took in the last 25 years, was lifted by a stratospheric balloon of 800.000 m3 and reached the altitude of 39.500 m after 3 hours of ascent. After a last transfer of helium carried out just before take-off, the detectors reached nominally their operating temperature of 320 mK when the balloon reached its flight ceiling, and the scientific observations could then start.