LIN Quanwei, DANG Shijun, ZHI Qijun, BAI Juntao, XU Xin. Mode change characteristics of PSR J0826+2637[J]. Journal of Beijing Normal University(Natural Science), 2023, 59(1): 31-37. DOI: 10.12202/j.0476-0301.2022067
Citation: LIN Quanwei, DANG Shijun, ZHI Qijun, BAI Juntao, XU Xin. Mode change characteristics of PSR J0826+2637[J]. Journal of Beijing Normal University(Natural Science), 2023, 59(1): 31-37. DOI: 10.12202/j.0476-0301.2022067
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Mode change characteristics of PSR J0826+2637

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  • The FAST observation data at center frequency of 1.25 GHz are used to analyze energy distribution and modulation characteristics of single pulse of PSR J0826+2637．A new mode change is found, average pulse profile and polarization characteristics of different modes are discussed．Strong and weak modes are present in B mode, a PN phenomenon is found in weak mode, with NF of 2.7%．In both strong and weak modes, polarization results of inter-pulse are slightly different, while the main pulse changes greatly．The mode change characteristics of PSR J0826+2637 are difficult to explain with existing models．
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