超高能伽马射线是强脉冲星附近的普遍特征的证据
高能天体物理现象
2021-04-29 v2
摘要
已知最高能的伽马射线源均位于极强大脉冲星 0.5 度范围内。这引发了一个问题：超高能（UHE；>56 TeV）伽马射线发射是否是高自转减速功率脉冲星附近预期的普遍特征。利用高海拔水切伦科夫（HAWC）伽马射线天文台四年的数据，我们对十颗极强大脉冲星进行了联合似然分析，以搜寻与这些位置相关的 UHE 伽马射线发射。我们报告了显著探测结果（>3σ），表明 UHE 伽马射线发射是强脉冲星的普遍特征。我们讨论了伽马射线的发射机制以及该结果的含义。每颗脉冲星所处的个体环境似乎在其发射量中起着作用。
引用
@article{arxiv.2101.07895,
title = {Evidence that Ultra-High-Energy Gamma Rays are a Universal Feature Near Powerful Pulsars},
author = {HAWC Collaboration and A. Albert and R. Alfaro and C. Alvarez and J. D. Álvarez and J. R. Angeles Camacho and J. C. Arteaga-Velázquez and K. P. Arunbabu and D. Avila Rojas and H. A. Ayala Solares and V. Baghmanyan and E. Belmont-Moreno and S. Y. BenZvi and C. Brisbois and K. S. Caballero-Mora and T. Capistrán and A. Carramiñana and S. Casanova and U. Cotti and J. Cotzomi and S. Coutiño de León and E. De la Fuente and C. de León and R. Diaz Hernandez and B. L. Dingus and M. A. DuVernois and M. Durocher and J. C. Díaz-Vélez and R. W. Ellsworth and K. Engel and C. Espinoza and K. L. Fan and M. Fernández Alonso and N. Fraija and A. Galván-Gámez and J. A. García-González and F. Garfias and G. Giacinti and M. M. González and J. A. Goodman and J. P. Harding and S. Hernandez and B. Hona and D. Huang and F. Hueyotl-Zahuantitla and P. Hüntemeyer and A. Iriarte and A. Jardin-Blicq and V. Joshi and D. Kieda and A. Lara and W. H. Lee and J. Lee and H. León Vargas and J. T. Linnemann and A. L. Longinotti and G. Luis-Raya and J. Lundeen and K. Malone and V. Marandon and O. Martinez and J. Martínez-Castro and J. A. Matthews and P. Miranda-Romagnoli and J. A. Morales-Soto and E. Moreno and M. Mostafá and A. Nayerhoda and L. Nellen and M. Newbold and M. U. Nisa and R. Noriega-Papaqui and L. Olivera-Nieto and N. Omodei and A. Peisker and Y. Pérez Araujo and E. G. Pérez-Pérez and C. D. Rho and Y. J. Roh and D. Rosa-González and E. Ruiz-Velasco and H. Salazar and F. Salesa Greus and A. Sandoval and M. Schneider and H. Schoorlemmer and J. Serna-Franco and A. J. Smith and R. W. Springer and P. Surajbali and M. Tanner and K. Tollefson and I. Torres and R. Torres-Escobedo and R. Turner and F. Ureña-Mena and L. Villaseñor and T. Weisgarber and E. Willox and H. Zhou},
journal= {arXiv preprint arXiv:2101.07895},
year = {2021}
}
备注
accepted by ApJL