GAHEC

Galaxies, High Energy Astrophysics and Cosmology

Athena School Announcement

We are pleased to announce the first edition of the Athena School: “The Universe in the era of spatially resolved, high-resolution, X-ray spectroscopy”. This CNRS thematic school will be held […]

09.02.2022

A new superstructure of galaxies in formation, discovered in a cold luminous zone of the distant universe

An international team of astrophysicists involving scientists* from the University of Paris-Saclay, CNRS, the University of Toulouse III – Paul Sabatier, Aix-Marseille University and the University Claude Bernard of Lyon […]

27.10.2021

COSI, the future gamma-ray space telescope selected by NASA

As part of its “Explorers” program, on October 18, 2021 NASA selected COSI (Compton Spectrometer & Imager) as the future space telescope, with a planned launch in 2025. COSI is […]

21.10.2021

A new success for the standard cosmological model

The joint analysis of the latest data from the Planck satellite and the properties of the very large catalogs of galaxies collected by the Sloan telescope support the model of […]

12.10.2021

Part of the Universe’s missing matter found thanks to the MUSE instrument

Galaxies can receive and exchange matter with their external environment thanks to the galactic winds created by stellar explosions. Thanks to the MUSE instrument (1) from the Very Large Telescope […]

16.09.2021

First burst detected by the ECLAIRs telescope

The coded mask, recently integrated on the ECLAIRs telescope, makes it possible to localise X-ray sources in the instrument’s field of view. This crucial feature for the detection of gamma-ray […]

28.05.2021

First image of ECLAIRs

The ECLAIRs instrument has produced its first image. After years of development by the APC, CEA, IRAP and CNES teams, and after several months of integration during which the different […]

10.05.2021

First images of the cosmic web reveal a myriad of unsuspected dwarf galaxies

Although the filaments of gas in which galaxies are born have long been predicted by cosmological models, we have so far had no real images of such objects. Now for […]

19.03.2021

21 Years of XMM-Newton celebrated with a new catalogue and an ambitious citizen science project

On the 21st anniversary of the launch of the European Space Agency’s X-ray observatory, XMM-Newton, the XMM-Newton Survey Science Centre (XMM-SSC) are releasing a new catalogue, 4XMM-DR10, of all of […]

10.12.2020

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