163 citations · 3.2k across the 56 of their papers we have counts for
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astro-ph2007★ 94 cited
Low-Frequency study of two clusters of galaxies: A2744 and A2219
E. Orru', M. Murgia, L. Feretti +6
Spectral index images can be used to constraint the energy spectrum of relativistic electrons and magnetic field distribution in radio halos and relics, providing useful informatio…
astro-ph2004★ 15 cited
Properties and Spectral Behaviour of Cluster Radio Halos
L. Feretti, G. Brunetti, G. Giovannini +3
Several arguments have been presented in the literature to support the connection between radio halos and cluster mergers. The spectral index distributions of the halos in A665 and…
astro-ph2004★ 96 cited
Spectral index maps of the radio halos in Abell 665 and Abell 2163
L. Feretti, E. Orru', G. Brunetti +3
New radio data at 330 MHz are presented for the rich clusters Abell 665 and Abell 2163, whose radio emission is characterized by the presence of a radio halo. These images allowed…