来自遥远星系核的一次极亮全波段爆发
高能天体物理现象
2015-05-27 v1
摘要
变化的 X 射线和伽马射线辐射是宇宙中最极端物理过程的特征，过去 50 年来，研究这些高能光子源一直是天文学的主要驱动力。本文展示了对 Swift 卫星发现的一次独特伽马射线暂现源的多波段观测，该事件伴随有整个电磁波谱上的明亮辐射，其性质不同于任何此前观测到的源。我们将该事件定位在一个红移 z=0.3534 的小型恒星形成星系的中心。其高能辐射持续时间远长于任何伽马射线暴，而峰值光度约为最亮活动星系核的 100 倍。该爆发与其宿主星系中心的关联表明，这一现象源于一种与星系核中大质量黑洞相关的新的、罕见的机制。
引用
@article{arxiv.1104.3356,
title = {An extremely luminous panchromatic outburst from the nucleus of a distant galaxy},
author = {A. J. Levan and N. R. Tanvir and S. B. Cenko and D. A. Perley and K. Wiersema and J. S. Bloom and A. S. Fruchter and A. de Ugarte Postigo and P. T. O'Brien and N. Butler and A. J. van der Horst and G. Leloudas and A. N. Morgan and K. Misra and G. Bower and J. Farihi and R. L. Tunnicliffe and M. Modjaz and J. M. Silverman and J. Hjorth and C. Thoene and A. Cucchiara and J. M. Castro Ceron and A. Castro-Tirado and J. A. Arnold and M. Bremer and J. P. Brodie and T. Carroll and M. C. Cooper and P. A. Curran and R. M. Cutri and J. Ehle and D. Forbes and J. Fynbo and J. Gorosabel and J. Graham and S. Guizy and D. I. Hoffman and P. Jakobsson and A. Kamble and T. Kerr and M. M. Kasliwal and C. Kouveliotou and D. Kocesvki and N. M. Law and P. E. Nugent and E. O. Ofek and D. Poznanski and R. M. Quimby and E. Rol and A. J. Romanowsky and R. Sanchez-Ramirez and S. Schulze and N. Singh and R. L. C. Starling and R. G. Strom and P. J. Wheatley and R. A. M. J. Wijers and J. M. Winters and T. Wold and D. Xu},
journal= {arXiv preprint arXiv:1104.3356},
year = {2015}
}