RXTE对SGR 1806-20宁静发射的观测
天体物理学
2007-05-23 v1
摘要
我们讨论了由Rossi X射线计时探测器（RXTE）对软伽马射线重复暴SGR 1806-20宁静发射的观测。我们发现2-20 keV的RXTE数据在活跃爆发期和相对宁静期均具有恒定的谱形，且最佳描述为非热（幂律）谱形。利用存档的ASCA数据，我们发现SGR 1806-20的宁静谱在1-30 keV能量范围内可由光子指数为2.31 ± 0.04的幂律很好地拟合，而热轫致辐射和Raymond-Smith模型对数据的拟合效果差得多。
引用
@article{arxiv.astro-ph/9803056,
title = {RXTE Observations of the SGR 1806-20 Steady Emission},
author = {D. Marsden and R. E. Rothschild and C. Kouveliotou and S. Dieters and J. van Paradijs},
journal= {arXiv preprint arXiv:astro-ph/9803056},
year = {2007}
}
备注
Total 4 pages, 1 figure, and 2 style files. To appear in the proceedings of the conference "Neutron Stars and Pulars - Thirty years after the Discovery", held Novermber 17-20, 1997 in Tokyo