The Discovery of Nulling and Mode-switching Pulsars with CHIME/Pulsar
The Pulsar backend of the Canadian Hydrogen Intensity Mapping Experiment has monitored hundreds of known pulsars in the northern sky since fall 2018, providing a rich data set for the study of temporal variations in pulsar emission. Using a matched filtering technique, we report, for the first time,...
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| Veröffentlicht in: | The Astrophysical journal 2020-11, Vol.903 (2), p.81 |
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| creator | Ng, C. Wu, B. Ma, M. Ransom, S. M. Naidu, A. Fonseca, E. Boyle, P. J. Brar, C. Cubranic, D. Demorest, P. B. Good, D. C. Kaspi, V. M. Masui, K. W. Michilli, D. Patel, C. Renard, A. Scholz, P. Stairs, I. H. Tendulkar, S. P. Tretyakov, I. Vanderlinde, K. |
| description | The Pulsar backend of the Canadian Hydrogen Intensity Mapping Experiment has monitored hundreds of known pulsars in the northern sky since fall 2018, providing a rich data set for the study of temporal variations in pulsar emission. Using a matched filtering technique, we report, for the first time, nulling behavior in five pulsars as well as mode switching in nine pulsars. Only one of the pulsars is observed to show both nulling and moding signals. These new nulling and mode-switching pulsars appear to come from a population with relatively long spin periods, in agreement with previous findings in the literature. |
| doi_str_mv | 10.3847/1538-4357/abb94f |
| format | Article |
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M. ; Naidu, A. ; Fonseca, E. ; Boyle, P. J. ; Brar, C. ; Cubranic, D. ; Demorest, P. B. ; Good, D. C. ; Kaspi, V. M. ; Masui, K. W. ; Michilli, D. ; Patel, C. ; Renard, A. ; Scholz, P. ; Stairs, I. H. ; Tendulkar, S. P. ; Tretyakov, I. ; Vanderlinde, K.</creator><creatorcontrib>Ng, C. ; Wu, B. ; Ma, M. ; Ransom, S. M. ; Naidu, A. ; Fonseca, E. ; Boyle, P. J. ; Brar, C. ; Cubranic, D. ; Demorest, P. B. ; Good, D. C. ; Kaspi, V. M. ; Masui, K. W. ; Michilli, D. ; Patel, C. ; Renard, A. ; Scholz, P. ; Stairs, I. H. ; Tendulkar, S. P. ; Tretyakov, I. ; Vanderlinde, K.</creatorcontrib><description>The Pulsar backend of the Canadian Hydrogen Intensity Mapping Experiment has monitored hundreds of known pulsars in the northern sky since fall 2018, providing a rich data set for the study of temporal variations in pulsar emission. Using a matched filtering technique, we report, for the first time, nulling behavior in five pulsars as well as mode switching in nine pulsars. Only one of the pulsars is observed to show both nulling and moding signals. These new nulling and mode-switching pulsars appear to come from a population with relatively long spin periods, in agreement with previous findings in the literature.</description><identifier>ISSN: 0004-637X</identifier><identifier>EISSN: 1538-4357</identifier><identifier>DOI: 10.3847/1538-4357/abb94f</identifier><language>eng</language><publisher>Philadelphia: The American Astronomical Society</publisher><subject>Astronomical methods ; Astrophysics ; Emission analysis ; Hydrogen ; Neutron stars ; Northern sky ; Observational astronomy ; Pulsars ; Radio astronomy ; Switching</subject><ispartof>The Astrophysical journal, 2020-11, Vol.903 (2), p.81</ispartof><rights>2020. The American Astronomical Society. 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| subjects | Astronomical methods Astrophysics Emission analysis Hydrogen Neutron stars Northern sky Observational astronomy Pulsars Radio astronomy Switching |
| title | The Discovery of Nulling and Mode-switching Pulsars with CHIME/Pulsar |
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