阿雷西博和ALFA脉冲星巡天
天体物理学
2007-05-23 v1
摘要
最近启动的阿雷西博L波段馈源阵列（ALFA）脉冲星巡天旨在发现约1000颗新的脉冲星。由于其高时间分辨率和频率分辨率，该巡天对毫秒脉冲星尤为敏感，这些脉冲星有潜力检验引力理论、探测引力波并探测中子星的状态方程。在此我们报告初步分析的结果：在最初几个月里，我们发现了21颗新的脉冲星。其中之一，PSR J1906+0746，是一颗年轻的144毫秒脉冲星，处于一个高度相对论性的3.98小时低偏心率轨道中。这个2.61 ± 0.02太阳质量系统预计将在约300 Myr内并合，并对计算出的致密双星系统宇宙旋进率有显著贡献。
引用
@article{arxiv.astro-ph/0604392,
title = {Arecibo and the ALFA Pulsar Survey},
author = {J. van Leeuwen and J. M. Cordes and D. R. Lorimer and P. C. C. Freire and F. Camilo and I. H. Stairs and D. J. Nice and D. J. Champion and R. Ramachandran and A. J. Faulkner and A. G. Lyne and S. M. Ransom and Z. Arzoumanian and R. N. Manchester and M. A. McLaughlin and J. W. T. Hessels and W. Vlemmings and A. A. Deshpande and N. D. R. Bhat and S. Chatterjee and J. L. Han and B. M. Gaensler and L. Kasian and J. S. Deneva and B. Reid and T. J. W. Lazio and V. M. Kaspi and F. Crawford and A. N. Lommen and D. C. Backer and M. Kramer and B. W. Stappers and G. B. Hobbs and A. Possenti and N. D'Amico and C. -A. Faucher-Giguère and M. Burgay},
journal= {arXiv preprint arXiv:astro-ph/0604392},
year = {2007}
}
备注
8 pages, invited review for the Hanas Pulsar Symposium, ChJAA in press