Jun 17, 2022
Scientists from the CosmoStat laboratory at CEA have produced within the international science collaboration UNIONS (Ultraviolet Near Infrared Optical Northern Survey) a reference catalogue of 100 million gravitationally lensed distant galaxies, one of the largest datasets ever created.
Dec 22, 2021
DAp-AIM scientist helps uncover largest group of rogue planets yet with a panoramic camera built by CEA
Rogue planets are elusive cosmic objects that have masses comparable to the largest planets in our Solar System but do not orbit a star, instead roaming freely on their own.
Sep 30, 2016
New light on the formation of giant galaxies
Observations of Malin 1, a nearby galaxy and a perfect prototype of the "giant galaxies with low surface brightness," have allowed scientists from an international team including a researcher from the Astrophysics Laboratory-Service AIM CEA-IRFU to make an unexpected discovery that challenges the assumptions about galaxy formation process of this type.
Apr 11, 2013
A giant survey of weak gravitational lensing
An international collaboration of astrophysicists, led by Martin Kilbinger from the Astrophysics Division - AIM Laboratory AIM at CEA Saclay-Irfu and the Institute of Astrophysics Paris, has obtained the largest survey of galaxy images that are deformed by gravitation.
Jul 09, 2010
The giant gas ring in Leo, formed when two galaxies collided
An international team led by astrophysicists from the Lyon Observatory (CRAL, CNRS/INSU, Université Lyon 1) and the AIM laboratory (CEA-Irfu, CNRS, Université Paris 7) has just shed some light on the origins of the giant gas ring in Leo.

 

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