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Parkes observations for project P1148 semester 2022APRS_06

Commonwealth Scientific and Industrial Research Organisation
Sun, shengnan ; Wang, Na ; Yan, Wenming ; Wang, Shuangqiang
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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:doi10.25919/9yb5-jx06&rft.title=Parkes observations for project P1148 semester 2022APRS_06&rft.identifier=https://doi.org/10.25919/9yb5-jx06&rft.publisher=Commonwealth Scientific and Industrial Research Organisation&rft.description=We propose observations with the ultra-wide-bandwidth, low frequency receiver (UWL) installed at the Parkes telescope to study a sample of pulsars known to exhibit mode changing phenomenon. The wide frequency range of the UWL receiver, along with the well-calibrated system, allowed us to obtain flux density measurements and polarization pulse profiles. The mode switch pattern in a wide frequency range will be obtained and can confirm whether this effect is dependent on observation frequency. The properties of polarization profiles of different modes in wide frequency will be studied. We will also obtain the spectrum of different modes, and compare spectral indexes of different modes for these mode changing pulsars. Our observations will allow us to constrain the physics origins of the mode changing phenomenon.&rft.creator=Sun, shengnan &rft.creator=Wang, Na &rft.creator=Yan, Wenming &rft.creator=Wang, Shuangqiang &rft.date=2022&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 2022.&rft_subject=pulsars&rft_subject=neutron stars&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 observations with the ultra-wide-bandwidth, low frequency receiver (UWL) installed at the Parkes telescope to study a sample of pulsars known to exhibit mode changing phenomenon. The wide frequency range of the UWL receiver, along with the well-calibrated system, allowed us to obtain flux density measurements and polarization pulse profiles. The mode switch pattern in a wide frequency range will be obtained and can confirm whether this effect is dependent on observation frequency. The properties of polarization profiles of different modes in wide frequency will be studied. We will also obtain the spectrum of different modes, and compare spectral indexes of different modes for these mode changing pulsars. Our observations will allow us to constrain the physics origins of the mode changing phenomenon.

Available: 2022-08-30

Data time period: 2022-04-01 to 2022-09-30

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Astronomical Sciences | Astronomical Sciences Not Elsewhere Classified | Physical Sciences | neutron stars | pulsars |

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