74 MHz-VLA-Observation of Coma Berenices with Subarcminute Resolution -- Observation, Data Reduction, and Preliminary Results

2); (2) MPI fuer Radioastronomie Bonn; (3) National Radio Astronomy Observatory Socorro; (4) Naval Research Laboratory; Kronberg(1); N.E. Kassim(4) ((1) University of Toronto; R.A. Perley (3); T.A. Ensslin (1; Washington)

arxiv: astro-ph/9906422 · v1 · submitted 1999-06-28 · 🌌 astro-ph

74 MHz-VLA-Observation of Coma Berenices with Subarcminute Resolution -- Observation, Data Reduction, and Preliminary Results

T.A. Ensslin (1 , 2) , Kronberg(1) , R.A. Perley (3) , N.E. Kassim(4) ((1) University of Toronto , (2) MPI fuer Radioastronomie Bonn , (3) National Radio Astronomy Observatory Socorro , (4) Naval Research Laboratory

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keywords comaberenicesradioclusterdatadegreeobservationpreliminary

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We report on an ongoing project to map a 15 degree x 15 degree region in Coma Berenices with the new 74 MHz receiver system of the VLA. The field is centered on the Coma cluster of galaxies. Coma Berenices has been observed in all VLA configurations, which allowed us to resolve several hundred point sources with 35 arcsecond resolution. We have successfully detected the diffuse emission from the Coma cluster radio halo, radio relic, and radio bridge. Difficulties and strategies of the observation and data reduction are discussed. Preliminary results are given.

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74 MHz-VLA-Observation of Coma Berenices with Subarcminute Resolution -- Observation, Data Reduction, and Preliminary Results

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