Journal
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume 494, Issue 1, Pages 1229-1236Publisher
OXFORD UNIV PRESS
DOI: 10.1093/mnras/staa813
Keywords
instrumentation: interferometers; pulsars: general
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Funding
- Horizon 2020 programme under the ERC Starting Grant 'MAGCOW' [714196]
- Marconi-KNL Supercomputer at CINECA [INA17 C4A28]
- research grant 'iPeska' (P.I. Andrea Possenti) under the INAF national call Prin-SKA/CTA [70/2016]
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Fast radio bursts (FRBs) remain one of the most enigmatic astrophysical sources. Observations have significantly progressed over the last few years, due to the capabilities of new radio telescopes and the refurbishment of existing ones. Here, we describe the upgrade of the Northern Cross radio telescope, operating in the 400-416 MHz frequency band, with the ultimate goal of turning the array into a dedicated instrument to survey the sky for FRBs. We present test observations of the pulsar B0329+54 to characterize the system performance and forecast detectability. Observations with the system currently in place are still limited by modest sky coverage (similar to 9.4 deg(2)) and biased by smearing of high dispersion measure events within each frequency channels. In its final, upgraded configuration, however, the telescope will be able to carry out unbiased FRB surveys over a similar to 350 deg (2) instantaneous field of view up to z similar to 5, with a (nearly constant) similar to 760 (tau/ms)(-0.5) mJy rms sensitivity.
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