The physics of galaxy cluster outskirts
S Walker, A Simionescu, D Nagai, N Okabe… - Space Science …, 2019 - Springer
As the largest virialized structures in the universe, galaxy clusters continue to grow and
accrete matter from the cosmic web. Due to the low gas density in the outskirts of clusters …
accrete matter from the cosmic web. Due to the low gas density in the outskirts of clusters …
Outskirts of galaxy clusters
Until recently, only about 10% of the total intracluster gas volume had been studied with high
accuracy, leaving a vast region essentially unexplored. This is now changing and a wide …
accuracy, leaving a vast region essentially unexplored. This is now changing and a wide …
A radio ridge connecting two galaxy clusters in a filament of the cosmic web
F Govoni, E Orrù, A Bonafede, M Iacobelli, R Paladino… - Science, 2019 - science.org
Galaxy clusters are the most massive gravitationally bound structures in the Universe. They
grow by accreting smaller structures in a merging process that produces shocks and …
grow by accreting smaller structures in a merging process that produces shocks and …
[HTML][HTML] The Abell 3391/95 galaxy cluster system-A 15 Mpc intergalactic medium emission filament, a warm gas bridge, infalling matter clumps, and (re-) accelerated …
Context. Inferences about dark matter, dark energy, and the missing baryons all depend on
the accuracy of our model of large-scale structure evolution. In particular, with cosmological …
the accuracy of our model of large-scale structure evolution. In particular, with cosmological …
A search for warm/hot gas filaments between pairs of SDSS Luminous Red Galaxies
We search the Planck data for a thermal Sunyaev–Zel'dovich (tSZ) signal due to gas
filaments between pairs of Luminous Red Galaxies (LRGs) taken from the Sloan Digital Sky …
filaments between pairs of Luminous Red Galaxies (LRGs) taken from the Sloan Digital Sky …
Reproducibility of non-X-ray background for the X-ray imaging spectrometer aboard Suzaku
N Tawa, K Hayashida, M Nagai… - Publications of the …, 2008 - academic.oup.com
One of the advantages of the X-ray Imaging Spectrometer (XIS) system aboard Suzaku is its
low and stable non-X-ray background (NXB). In order to make the best use of this …
low and stable non-X-ray background (NXB). In order to make the best use of this …
Baryons at the edge of the X-ray–brightest galaxy cluster
Studies of the diffuse x-ray–emitting gas in galaxy clusters have provided powerful
constraints on cosmological parameters and insights into plasma astrophysics. However …
constraints on cosmological parameters and insights into plasma astrophysics. However …
[HTML][HTML] First detection of stacked X-ray emission from cosmic web filaments
H Tanimura, N Aghanim, A Kolodzig… - Astronomy & …, 2020 - aanda.org
We report the first statistical detection of X-ray emission from cosmic web filaments in
ROSAT data. We selected 15 165 filaments at 0.2< z< 0.6 ranging from 30 Mpc to 100 Mpc …
ROSAT data. We selected 15 165 filaments at 0.2< z< 0.6 ranging from 30 Mpc to 100 Mpc …
Radial metal abundance profiles in the intra-cluster medium of cool-core galaxy clusters, groups, and ellipticals
F Mernier, J de Plaa, JS Kaastra, YY Zhang… - Astronomy & …, 2017 - aanda.org
The hot intra-cluster medium (ICM) permeating galaxy clusters and groups is not pristine, as
it has been continuously enriched by metals synthesised in Type Ia (SNIa) and core …
it has been continuously enriched by metals synthesised in Type Ia (SNIa) and core …
Enrichment of the hot intracluster medium: observations
F Mernier, V Biffi, H Yamaguchi, P Medvedev… - Space Science …, 2018 - Springer
Four decades ago, the firm detection of an Fe-K emission feature in the X-ray spectrum of
the Perseus cluster revealed the presence of iron in its hot intracluster medium (ICM). With …
the Perseus cluster revealed the presence of iron in its hot intracluster medium (ICM). With …