English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

Synthesized in the cores of stars and supernovae, most metals disperse overcosmic scales and are ultimately deposited well outside the gravitationalpotential of their host galaxies. Since their presence is well visible throughtheir X-ray emission lines in the hot gas pervading galaxy clusters, measuringmetal abundances in the intracluster medium (ICM) offers us a unique view ofchemical enrichment of the Universe as a whole. Despite extraordinary progressin the field thanks to four decades of X-ray spectroscopy using CCD (andgratings) instruments, understanding the precise stellar origins of the bulk ofmetals, and when the latter were mixed on Mpc scales, requires an X-ray missioncapable of spatial, non-dispersive high resolution spectroscopy covering atleast the soft X-ray band over a large field of view. In this White Paper, wedemonstrate how the Line Emission Mapper (LEM) probe mission concept willrevolutionize our current picture of the ICM enrichment. Specifically, we showthat LEM will be able to (i) spatially map the distribution of ten key chemicalelements out to the virial radius of a nearby relaxed cluster and (ii) measuremetal abundances in serendipitously discovered high-redshift protoclusters.Altogether, these key observables will allow us to constrain the chemicalhistory of the largest gravitationally bound structures of the Universe. Theywill also solve key questions such as the universality of the initial massfunction (IMF) and the initial metallicity of the stellar populations producingthese metals, as well as the relative contribution of asymptotic giant branch(AGB) stars, core-collapse, and Type Ia supernovae to enrich the cosmic webover Mpc scales. Concrete observing strategies are also briefly discussed.

Exploring chemical enrichment of the intracluster medium with the Line Emission Mapper