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2012•Astronomy and AstrophysicsOpen access

Low frequency follow up of radio haloes and relics in the GMRT Radio Halo Cluster Survey

T. Venturi, S. Giacintucci, D. Dallacasa, R. Cassano, G. Brunetti, G. Macario, R. Athreya

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Abstract

Aims. To gain insight into the origin of diffuse radio sources in galaxy clusters and their connection with cluster merger processes, we performed GMRT low frequency observations of the radio haloes, relics and new candidates belonging to the GMRT radio Halo cluster sample first observed at 610 MHz. Our main aim was to investigate their observational properties and integrated spectra at frequencies below 610 MHz.

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Aims. To gain insight into the origin of diffuse radio sources in galaxy clusters and their connection with cluster merger processes, we performed GMRT low frequency observations of the radio haloes, relics and new candidates belonging to the GMRT radio Halo cluster sample first observed at 610 MHz. Our main aim was to investigate their observational properties and integrated spectra at frequencies below 610 MHz.

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Available abstract

Aims. To gain insight into the origin of diffuse radio sources in galaxy clusters and their connection with cluster merger processes, we performed GMRT low frequency observations of the radio haloes, relics and new candidates belonging to the GMRT radio Halo cluster sample first observed at 610 MHz. Our main aim was to investigate their observational properties and integrated spectra at frequencies below 610 MHz.

Key concepts: Radio halo, Physics, Halo, Cluster (spacecraft), Giant Metrewave Radio Telescope, Astrophysics, Galaxy cluster, Low frequency

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Low frequency follow up of radio haloes and relics in the GMRT Radio Halo Cluster Survey — Research Paper | ScholarLens