利用 FAST 搜寻超新星遗迹中的射电脉冲星，发现一颗脉冲星

IF 3.5 2区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY Chinese Physics Letters Pub Date : 2024-01-04 DOI:10.1088/0256-307x/41/2/029701

Zhen Zhang, Wenming Yan, J. Yuan, Na Wang, Juntao Bai, Zhigang Wen, Baoda Li, Jintao Xie, De Zhao, Yubin Wang, Nannan Zhai

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引用次数: 0

摘要

我们报告了利用 FAST 在五个超新星遗迹（SNR）中搜索射电脉冲星的结果。观测是在快照模式下使用 19 波束接收器进行的。每个测点的积分时间为 10 分钟。我们在对 SNR G29.6+0.1 的观测中发现了一颗新的脉冲星 PSR J1845$-$0306，它的自旋周期为 983.6 ms，色散测量值为 444.6$\pm$2.0 cm$^{-3}$ pc。要判断脉冲星和SNR之间的联系，还需要进一步的验证。我们还在 SNR G29.6+0.1 和 G29.7$-$0.3 的数据中重新探测到了一些已知的脉冲星。在对其他三个自发核变星的观测中没有发现脉冲星。

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A search for radio pulsars in supernova remnants using FAST with one pulsar discovered

We report on the results of a search for radio pulsars in five supernova remnants (SNRs) with FAST. The observations were made using the 19-beam receiver in the Snapshot mode. The integration time for each pointing is 10 min. We discovered a new pulsar PSR J1845$-$0306 which has a spin period of 983.6 ms and a dispersion measure of 444.6$\pm$2.0 cm$^{-3}$ pc in observations of SNR G29.6+0.1. To judge the association between the pulsar and the SNR, further verification is needed. We also re-detected some known pulsars in the data from SNRs G29.6+0.1 and G29.7$-$0.3. No pulsars were detected in observations of other three SNRs.

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来源期刊

Chinese Physics Letters 物理-物理：综合

CiteScore

5.90

自引率

8.60%

发文量

13238

审稿时长

4 months

期刊介绍： Chinese Physics Letters provides rapid publication of short reports and important research in all fields of physics and is published by the Chinese Physical Society and hosted online by IOP Publishing.