Swift对GRB050128的观测：早期X射线余辉
天体物理学
2010-03-19 v1
摘要
Swift通过爆发警报望远镜发现了GRB050128，并迅速指向其窄视场仪器监测余辉。X射线观测在触发后108秒开始。余辉的早期衰减相对平坦，用幂律指数~−0.3进行时间衰减建模。在后期（~1500秒）出现变陡，幂律指数约为−1.3。在这一转变期间，观测到的X射线谱没有变化。我们将此行为解释为早期喷流截断，或为星风环境中从快冷却区向慢冷却区转变的证据。
引用
@article{arxiv.astro-ph/0504331,
title = {Swift observations of GRB050128: the early X-ray afterglow},
author = {S. Campana and L. A. Antonelli and G. Chincarini and S. Covino and G. Cusumano and D. Malesani and V. Mangano and A. Moretti and C. Pagani and P. Romano and G. Tagliaferri and M. Capalbi and M. Perri and P. Giommi and L. Angelini and P. Boyd and D. N. Burrows and J. E. Hill and C. Gronwall and J. A. Kennea and S. Kobayashi and P. Kumar and P. Meszaros and J. A. Nousek and P. W. A. Roming and B. Zhang and A. F. Abbey and A. P. Beardmore and A. Breeveld and M. R. Goad and O. Godet and K. O. Mason and J. P. Osborne and K. L. Page and T. Poole and N. Gehrels},
journal= {arXiv preprint arXiv:astro-ph/0504331},
year = {2010}
}
备注
Accepted for publication on ApJL (4 pages + 3 figures)