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Parkes observations for project P996 semester 2018OCTS_20

Commonwealth Scientific and Industrial Research Organisation
Han, Jinlin ; Manchester, Dick ; Hobbs, George ; van Straten, Willem
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.25919/5c890fe0110c9&rft.title=Parkes observations for project P996 semester 2018OCTS_20&rft.identifier=https://doi.org/10.25919/5c890fe0110c9&rft.publisher=Commonwealth Scientific and Industrial Research Organisation&rft.description=We propose to measure the polarisation of ~200 pulsars (~100 this semester) using the Ultra-Wideband Low (UWL) receiver to investigate the structure of the Galactic disk magnetic field in and between distant spiral arms. Previous Parkes pulsar observations have revealed field reversals in nearby arm and interarm regions. We wish to exploit the greater sensitivity of the UWL receiver to extend this to more distant regions, thereby allowing us to distinguish more clearly between different models for the structure of the disk field. This work will have important implications for theories for the generation of Galactic magnetic fields and for other areas, e.g., cosmic-ray physics, which depend on a knowledge of the large-scale Galactic magnetic field for their interpretation.&rft.creator=Han, Jinlin &rft.creator=Manchester, Dick &rft.creator=Hobbs, George &rft.creator=van Straten, Willem &rft.date=2019&rft.edition=v1&rft_rights=Creative Commons Attribution 4.0 International Licence https://creativecommons.org/licenses/by/4.0/&rft_rights=Data is accessible online and may be reused in accordance with licence conditions&rft_rights=All Rights (including copyright) CSIRO 2018.&rft_subject=pulsars&rft_subject=neutron stars&rft_subject=magnetic fields&rft_subject=P996_2018OCTS&rft_subject=Astronomical sciences not elsewhere classified&rft_subject=Astronomical sciences&rft_subject=PHYSICAL SCIENCES&rft.type=dataset&rft.language=English Access the data
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Brief description

We propose to measure the polarisation of ~200 pulsars (~100 this semester) using the Ultra-Wideband Low (UWL) receiver to investigate the structure of the Galactic disk magnetic field in and between distant spiral arms. Previous Parkes pulsar observations have revealed field reversals in nearby arm and interarm regions. We wish to exploit the greater sensitivity of the UWL receiver to extend this to more distant regions, thereby allowing us to distinguish more clearly between different models for the structure of the disk field. This work will have important implications for theories for the generation of Galactic magnetic fields and for other areas, e.g., cosmic-ray physics, which depend on a knowledge of the large-scale Galactic magnetic field for their interpretation.

Available: 2019-03-14

Data time period: 2018-10-01 to 2019-04-01

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Astronomical Sciences | Astronomical Sciences Not Elsewhere Classified | P996_2018OCTS | Physical Sciences | magnetic fields | neutron stars | pulsars |

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