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arxiv: 2101.01649 · v1 · pith:6ZAWEWM3new · submitted 2021-01-05 · 🌌 astro-ph.HE

Spectrum and Morphology of the Very-High-Energy Source HAWC J2019+368

HAWC Collaboration: A. Albert , R. Alfaro , C. Alvarez , J.C. Arteaga-Vel\`azquez , K.P. Arunbabu , D. Avila Rojas , H.A. Ayala Solares , V. Baghmanyan
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E. Belmont-Moreno C. Brisbois K.S. Caballero-Mora T. Capistr\`an A. Carrami\~nana S. Casanova J. Cotzomi S. Coutin\~o de Le\'on E. De la Fuente R. Diaz Hernandez B.L. Dingus M.A. DuVernois M. Durocher K. Engel C. Espinoza N. Fraija D. Garcia J.A. Garc\'ia-Gonz\'alez G. Giacinti M.M. Gonz\'alez J.A. Goodman J.P. Harding J. Hinton B. Hona D. Huang F. Hueyotl-Zahuantitla P. Huentemeyer A. Jardin-Blicq V. Joshi W.H. Lee H. Le\'on Vargas J.T. Linnemann A.L. Longinotti G. Luis-Raya J. Lundeen R. L\'opez-Coto K. Malone O. Martinez J. Mart\'inez-Castro J.A. Matthews P. Miranda-Romagnoli J.A. Morales-Soto E. Moreno M. Mostaf\'a A. Nayerhoda L. Nellen M. Newbold M.U. Nisa R. Noriega-Papaqui L. Olivera-Nieto N. Omodei A. Peisker Y. P\'erez Araujo E.G. P\'erez-P\'erez C.D. Rho D. Rosa-Gonz\`alez E. Ruiz-Velasco H. Salazar F. Salesa Greus A. Sandoval M. Schneider H. Schoorlemmer J. Serna-Franco A.J. Smith R.W. Springer P. Surajbali K. Tollefson I. Torres R. Turner F. Uren\~a-Mena T. Weisgarber E. Willox H. Zhou C. de Le\'on
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classification 🌌 astro-ph.HE
keywords hawcj2019morphologynebularegionspectrumanalysisassociate
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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 $\sim$7 kyr pulsar and nebula system producing the observed emission at X-ray and ${\gamma}$-ray energies.

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