Spectrum and Morphology of the Very-High-Energy Source HAWC J2019+368
Abstract
The MGRO J2019+37 region is one of the brightest sources in the sky at TeV energies. It was detected in the 2 year HAWC catalog as 2HWC J2019+367 and here we present a detailed study of this region using data from HAWC. This analysis resolves the region into two sources: HAWC J2019+368 and HAWC J2016+371. We associate HAWC J2016+371 with the evolved supernova remnant CTB 87, although its low significance in this analysis prevents a detailed study at this time. An investigation of the morphology (including possible energy dependent morphology) and spectrum for HAWC J2019+368 is the focus of this work. We associate HAWC J2019+368 with PSR J2021+3651 and its X-ray pulsar wind nebula, the Dragonfly nebula. Modeling the spectrum measured by HAWC and Suzaku reveals a 7 kyr pulsar and nebula system producing the observed emission at X-ray and -ray energies.
Keywords
Cite
@article{arxiv.2101.01649,
title = {Spectrum and Morphology of the Very-High-Energy Source HAWC J2019+368},
author = {HAWC Collaboration and A. Albert and R. Alfaro and C. Alvarez and J. C. Arteaga-Velàzquez and K. P. Arunbabu and D. Avila Rojas and H. A. Ayala Solares and V. Baghmanyan and E. Belmont-Moreno and C. Brisbois and K. S. Caballero-Mora and T. Capistràn and A. Carramiñana and S. Casanova and J. Cotzomi and S. Coutinõ de León and E. De la Fuente and R. Diaz Hernandez and B. L. Dingus and M. A. DuVernois and M. Durocher and K. Engel and C. Espinoza and N. Fraija and D. Garcia and J. A. García-González and G. Giacinti and M. M. González and J. A. Goodman and J. P. Harding and J. Hinton and B. Hona and D. Huang and F. Hueyotl-Zahuantitla and P. Huentemeyer and A. Jardin-Blicq and V. Joshi and W. H. Lee and H. León Vargas and J. T. Linnemann and A. L. Longinotti and G. Luis-Raya and J. Lundeen and R. López-Coto and K. Malone 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 D. Rosa-Gonzàlez 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 K. Tollefson and I. Torres and R. Turner and F. Urenã-Mena and T. Weisgarber and E. Willox and H. Zhou and C. de León},
journal= {arXiv preprint arXiv:2101.01649},
year = {2021}
}
Comments
Submitted to ApJ: 13 pages, 10 figures