中文

INTEGRAL 仪器对第 4 赤道区正电子湮灭辐射的观测:天空分布

天体物理学 2007-05-23 v1

摘要

在其首年轨道任务中,INTEGRAL 仪器对银河中心区域进行了深度曝光,并对银河平面进行了扫描观测。我们报告对第 4 赤道区正电子湮灭辐射分析的进展,具体聚焦于 511 keV 线发射的天空分布。文中描述了分析方法;随后给出当前对银河 bulge 发射及 bulge-to-disk 比率的约束与限制。

关键词

引用

@article{arxiv.astro-ph/0406178,
  title  = {SPI observations of positron annihilation radiation from the 4th galactic quadrant: sky distribution},
  author = {G. Weidenspointner and V. Lonjou and J. Knoedlseder and P. Jean and M. Allain and P. von Ballmoos and M. J. Harris and G. K. Skinner and G. Vedrenne and B. J. Teegarden and N. Gehrels and N. Guessoum and V. Schoenfelder and C. Chapuis and Ph. Durouchoux and E. Cisana and M. Valsesia},
  journal= {arXiv preprint arXiv:astro-ph/0406178},
  year   = {2007}
}

备注

4 pages, 2 figures, accepted for publication in the proceedings of the 5th INTEGRAL workshop