Wide Field Beamformed Observation with MeerKAT

Author:

Chen Weiwei1ORCID,Barr Ewan1ORCID,Karuppusamy Ramesh1ORCID,Kramer Michael12ORCID,Stappers Benjamin2

Affiliation:

1. Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany

2. Jodrell Bank Centre for Astrophysics, University of Manchester, M13 9PL, UK

Abstract

Large-scale beamforming with radio interferometers has the potential to revolutionize the science done with pulsars and fast radio bursts by improving the survey efficiency for these sources. We describe a wide-field beamformer for the MeerKAT radio telescope and outline strategies to optimally design such surveys. For software implementation of these techniques, Mosaic is introduced and its application in the MeerKAT telescope is presented. We show initial results using the beamformer by observing a globular cluster to track several pulsars simultaneously and demonstrate the source localization capability of this observation.

Funder

FP7 Ideas: European Research Council

H2020 European Research Council

Publisher

World Scientific Pub Co Pte Ltd

Subject

Astronomy and Astrophysics,Instrumentation

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