VERITAS 对银河中心脊的 TeV 伽马射线观测
高能天体物理现象
2016-05-04 v1
摘要
银河中心脊过去已被 GeV 和 TeV 伽马射线仪器广泛观测，揭示了丰富的结构，包括弥漫成分以及点源 G0.9+0.1（一个复合超新星遗迹）和 Sgr A*（被认为与位于银河系中心的超大质量黑洞相关）。先前使用 H.E.S.S. 实验的甚高能 (VHE) 伽马射线观测也在 >300 GeV 伽马射线能段中探测到沿银河平面的扩展 TeV 伽马射线成分。这里我们报告 VERITAS 望远镜阵列在 2010-2014 年间在 >2 TeV 能量范围对银河中心脊的观测。从这些观测中我们 1.) 提供了 Sgr A* 在 >2 TeV 伽马射线能段中微分能谱的改进测量，2.) 提供了复合 SNR G0.9+0.1 的 >2 TeV 伽马射线辐射探测及其多 TeV 伽马射线能谱的改进确定，3.) 报告了 VER J1746-289 的探测，这是沿银河平面的 >2 TeV 伽马射线辐射的局部增强。
引用
@article{arxiv.1602.08522,
title = {TeV Gamma-ray Observations of The Galactic Center Ridge By VERITAS},
author = {A. Archer and W. Benbow and R. Bird and M. Buchovecky and J. H. Buckley and V. Bugaev and K. Byrum and J. V Cardenzana and M. Cerruti and X. Chen and L. Ciupik and E. Collins-Hughes and M. P. Connolly and J. D. Eisch and A. Falcone and Q. Feng and J. P. Finley and H. Fleischhack and A. Flinders and L. Fortson and A. Furniss and G. H. Gillanders and S. Griffin and J. Grube and G. Gyuk and N. Hakansson and D. Hanna and J. Holder and T. B. Humensky and M. Hutten and C. A. Johnson and P. Kaaret and P. Kar and N. Kelley-Hoskins and M. Kertzman and D. Kieda and M. Krause and F. Krennrich and S. Kumar and M. J. Lang and S. McArthur and A. McCann and K. Meagher and J. Millis and P. Moriarty and R. Mukherjee and D. Nieto and R. A. Ong and N. Park and V. Pelassa and M. Pohl and A. Popkow and E. Pueschel and J. Quinn and K. Ragan and G. Ratliff and P. T. Reynolds and G. T. Richards and E. Roache and J. Rousselle and M. Santander and G. H. Sembroski and K. Shahinyan and A. W. Smith and D. Staszak and I. Telezhinsky and J. V. Tucci and J. Tyler and V. V. Vassiliev and S. P. Wakely and O. M. Weiner and A. Weinstein and A. Wilhelm and D. A. Williams and B. Zitzer and F. Yusef-Zadeh},
journal= {arXiv preprint arXiv:1602.08522},
year = {2016}
}
备注
9 pages, 5 figures, Accepted for Publication in The Astrophysical Journal