Open AccessSpectrum and Morphology of the Very-high-energy Source HAWC J2019+368
Author(s) -
A. Albert,
R. Alfaro,
C. Álvarez,
J. C. ArteagaVelázquez,
K. P. Arunbabu,
D. Avila Rojas,
H. A. Ayala Solares,
Vardan Baghmanyan,
E. BelmontMoreno,
C. Brisbois,
K. S. CaballeroMora,
T. Capistrán,
A. Carramiñana,
S. Casanova,
J. Cotzomi,
S. Coutinõ de León,
E. De la Fuente,
R. Díaz Hernández,
B. L. Dingus,
M. A. DuVernois,
Mora Durocher,
K. Engel,
C. Espinoza,
N. Fraija,
D. García,
J. A. García-González,
Gwenael Giacinti,
M. M. González,
J. A. Goodman,
J. P. Harding,
J. A. Hinton,
B. Hona,
Dezhi Huang,
F. HueyotlZahuantitla,
Petra Huentemeyer,
A. Jardin-Blicq,
Vikas Joshi,
William H. Lee,
H. León Vargas,
J. Linnemann,
A. L. Longinotti,
G. Luis-Raya,
J. Lundeen,
R. López-Coto,
K. Malone,
O. Martı́nez,
J. Martínez-Castro,
J. A. Matthews,
P. Miranda-Romagnoli,
J. A. Morales-Soto,
E. Moreno,
M. Mostafá,
A. Nayerhoda,
L. Nellen,
M. Newbold,
M. U. Nisa,
R. Noriega-Papaqui,
Laura Olivera-Nieto,
N. Omodei,
Alison Peisker,
Y. Pérez Araujo,
E. G. PérezPérez,
Chang Dong Rho,
D. RosaGonzález,
E. Ruiz-Velasco,
H. Salazar,
F. Salesa Greus,
A. Sandoval,
M. Schneider,
Harm Schoorlemmer,
José Serna-Franco,
A. J. Smith,
R. W. Springer,
P. Surajbali,
Kirsten Tollefson,
I. Torres,
Rhian M. Turner,
F. Ureña-Mena,
T. Weisgarber,
E. Willox,
H. Zhou,
C. de León
Publication year - 2021
Publication title -
the astrophysical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.376
H-Index - 489
eISSN - 1538-4357
pISSN - 0004-637X
DOI - 10.3847/1538-4357/abecda
Subject(s) - physics , nebula , pulsar wind nebula , astrophysics , sky , pulsar , astronomy , supernova remnant , high energy , supernova , stars , engineering physics
The MGRO J2019+37 region is one of the brightest sources in the sky at TeV energies. It was detected in the second 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 γ-ray energies.
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