脉冲星 J1709-4429 中一次自转突变事件的探测
高能天体物理现象
2018-08-09 v1
摘要
我们报告了利用 Molonglo 天文台综合望远镜（UTMOST）在常规监测观测中探测到脉冲星 J17094429（亦称 B170644）的一次自转突变（glitch）事件。该突变是在计时操作中发现的，我们以高达每日的观测频率定期观测超过 400 颗脉冲星，同时兼搜旋转射电瞬变源、脉冲星和快速射电暴（FRB）。此处报告的突变分数大小为 ，是该脉冲星迄今已知最小的突变，证明了利用 UTMOST 进行高频率自转突变搜寻的有效性。
引用
@article{arxiv.1808.02580,
title = {Detection of a glitch in the pulsar J1709-4429},
author = {Marcus E. Lower and Chris Flynn and Matthew Bailes and Ewan D. Barr and Timothy Bateman and Shivani Bhandari and Manisha Caleb and Duncan Campbell-Wilson and Cherie Day and Adam Deller and Wael Farah and Anne J. Green and Vivek Gupta and Richard W. Hunstead and Andrew Jameson and Fabian Jankowski and Evan F. Keane and Vivek Venkatraman Krishnan and Stefan Osłowski and Aditya Parthasarathy and Kathryn Plant and Danny C. Price and Vikram Ravi and Ryan M. Shannon and David Temby and Glen Torr and Glenn Urquhart},
journal= {arXiv preprint arXiv:1808.02580},
year = {2018}
}
备注
3 pages, 1 figure