The XXL survey: First results and future
Journal article, 2017

The XXL survey currently covers two 25 deg2 patches with XMM observations of ?10 ks. We summarize the scientific results associated with the first release of the XXL dataset, which occurred in mid-2016. We review several arguments for increasing the survey depth to 40 ks during the next decade of XMM operations. X-ray (z < 2) cluster, (z < 4) active galactic nuclei (AGN), and cosmic background survey science will then benefit from an extraordinary data reservoir. This, combined with deep multi-? observations, will lead to solid standalone cosmological constraints and provide a wealth of information on the formation and evolution of AGN, clusters, and the X-ray background. In particular, it will offer a unique opportunity to pinpoint the z > 1 cluster density. It will eventually constitute a reference study and an ideal calibration field for the upcoming eROSITA and Euclid missions.

cosmological parameters

galaxies: clusters: general

galaxies: active

X-ray: general

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Published in

Astronomische Nachrichten

0004-6337 (ISSN) 1521-3994 (eISSN)

Vol. 338 Issue 2-3 p. 334-341

Categorizing

Driving Forces

Sustainable development

Subject Categories (SSIF 2011)

Physical Sciences

Astronomy, Astrophysics and Cosmology

Infrastructure

Onsala Space Observatory

Identifiers

DOI

10.1002/asna.201713352

More information

Created

10/7/2017