activity
19952026
most citedA direct empirical proof of the existence of dark matter

2.4k citations · 21.2k across the 197 of their papers we have counts for

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Showing 2026 · astro-ph.COShow all

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astro-ph.CO2026

Extended radio emission in and around the merging cluster A520 as seen by MeerKAT

S. Giacintucci, W. D. Cotton, M. Markevitch +3

We present results from a deep MeerKAT 1.28 GHz observation of Abell 520, a galaxy cluster in the middle of a merger and a treasure trove of merger-generated phenomena. MeerKAT's c…

astro-ph.CO2026★ 5 cited

Mapping dark matter in the Bullet Cluster using JWST imaging and spectroscopy

Gregor Rihtaršič, Maruša Bradač, Guillaume Desprez +23

We present an updated gravitational lens model of the Bullet cluster (1E 0657-56) by combining JWST NIRCam imaging and NIRSpec spectroscopy. Although previous lens models relied on…