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Showing 2023 · astro-ph.COShow all
2 papers · 2 filters
astro-ph.CO2023★ 5 cited
Planes of satellites, no longer in tension with LCDM
Laura V. Sales, Julio F. Navarro
The arrangement of dwarf galaxies in a thin plane surrounding the Milky Way has been thought to contradict the prevailing cosmological model of cold dark matter in the Universe. Ne…
astro-ph.CO2023★ 6 cited
The XXL Survey L. Active galactic nucleus contamination in galaxy clusters: Detection and cosmological impact
Sunayana Bhargava, Christian Garrel, Elias Koulouridis +12
X-ray observations of galaxy clusters are impacted by the presence of active galactic nuclei (AGNs) in a manner that is challenging to quantify, leading to biases in the detection…