TeV Emission of Galactic Plane Sources with HAWC and H.E.S.S.

H. Abdalla; F. Aharonian; F. Ait Benkhali; E. Angüner; C. Arcaro; C. Armand; T. Armstrong; H. Ashkar; M. Backes; V. Baghmanyan; V. Barbosa Martins; A. Barnacka; M. Barnard; Y. Becherini; D. Berge; K. Bernlöhr; B. Bi; M. Böttcher; C. Boisson; J. Bolmont; M. de Bony de Lavergne; M. Breuhaus; R. Brose; F. Brun; P. Brun; M. Bryan; M. Büchele; T. Bulik; T. Bylund; S. Caroff; A. Carosi; T. Chand; S. Chandra; A. Chen; G. Cotter; M. Curyło; J. Damascene Mbarubucyeye; I. Davids; J. Davies; C. Deil; J. Devin; L. Dirson; A. Djannati-Ataï; A. Dmytriiev; A. Donath; V. Doroshenko; L. Dreyer; C. Duffy; J. Dyks; K. Egberts; F. Eichhorn; S. Einecke; G. Emery; J.-P. Ernenwein; K. Feijen; S. Fegan; A. Fiasson; G. Fichet de Clairfontaine; G. Fontaine; S. Funk; M. Füssling; S. Gabici; Y. Gallant; G. Giavitto; L. Giunti; D. Glawion; J. Glicenstein; D. Gottschall; M.-H. Grondin; J. Hahn; M. Haupt; G. Hermann; J. Hinton; W. Hofmann; C. Hoischen; T. Holch; M. Holler; M. Hörbe; D. Horns; D. Huber; M. Jamrozy; D. Jankowsky; F. Jankowsky; I. Jung-Richardt; E. Kasai; M. Kastendieck; K. Katarzyński; U. Katz; D. Khangulyan; B. Khélifi; S. Klepser; W. Kluźniak; Nu. Komin; R. Konno; K. Kosack; D. Kostunin; M. Kreter; G. Lamanna; A. Lemière; M. Lemoine-Goumard; J.-P. Lenain; F. Leuschner; C. Levy; T. Lohse; I. Lypova; J. Mackey; J. Majumdar; D. Malyshev; V. Marandon; P. Marchegiani; Alexandre Marcowith; A. Mares; G. Martí-Devesa; R. Marx; G. Maurin; P. Meintjes; M. Meyer; A. Mitchell; R. Moderski; L. Mohrmann; A. Montanari; C. Moore; P. Morris; E. Moulin; J. Muller; T. Murach; K. Nakashima; A. Nayerhoda; M. de Naurois; H. Ndiyavala; J. Niemiec; L. Oakes; P. O’brien; H. Odaka; S. Ohm; L. Olivera-Nieto; E. de Ona Wilhelmi; M. Ostrowski; M. Panter; S. Panny; R. Parsons; G. Peron; B. Peyaud; Q. Piel; S. Pita; V. Poireau; A. Priyana Noel; D. Prokhorov; H. Prokoph; G. Pühlhofer; M. Punch; A. Quirrenbach; S. Raab; R. Rauth; P. Reichherzer; A. Reimer; O. Reimer; Q. Remy; Matthieu Renaud; F. Rieger; L. Rinchiuso; C. Romoli; G. Rowell; B. Rudak; V. Sahakian; S. Sailer; H. Salzmann; D. Sanchez; A. Santangelo; M. Sasaki; J. Schäfer; F. Schüssler; H. Schutte; U. Schwanke; M. Seglar-Arroyo; M. Senniappan; A. Seyffert; N. Shafi; J. Shapopi; K. Shiningayamwe; R. Simoni; A. Sinha; H. Sol; A. Specovius; S. Spencer; M. Spir-Jacob; Ł. Stawarz; L. Sun; R. Steenkamp; C. Stegmann; S. Steinmassl; C. Steppa; T. Takahashi; T. Tavernier; A. Taylor; R. Terrier; J. Thiersen; D. Tiziani; M. Tluczykont; L. Tomankova; C. Trichard; M. Tsirou; R. Tuffs; Y. Uchiyama; D. van Der Walt; C. van Eldik; C. van Rensburg; B. van Soelen; George Vasileiadis; J. Veh; C. Venter; P. Vincent; J. Vink; H. Völk; Z. Wadiasingh; S. Wagner; J. Watson; F. Werner; R. White; A. Wierzcholska; Yu Wun Wong; A. Yusafzai; M. Zacharias; R. Zanin; D. Zargaryan; A. Zdziarski; A. Zech; S. Zhu; A. Zmija; J. Zorn; S. Zouari; N. Żywucka; A. Albert; R. Alfaro; C. Alvarez; J. Arteaga-Velézquez; K. Arunbabu; D. Avila Rojas; E. Belmont-Moreno; S. Benzvi; C. Brisbois; K. Caballero-Mora; T. Capistrán; A. Carramiñana; S. Casanova; U. Cotti; J. Cotzomi; S. Coutiño de León; E. de La Fuente; C. de León; R. Diaz Hernandez; J. Díaz-Vélez; B. Dingus; M. Duvernois; M. Durocher; R. Ellsworth; K. Engel; C. Espinoza; K. Fan; M. Fernández Alonso; N. Fraija; A. Galván-Gámez; D. Garcia; J. García-González; F. Garfias; G. Giacinti; M. González; J. Goodman; J. Harding; S. Hernandez; B. Hona; D. Huang; F. Hueyotl-Zahuantitla; P. Hüntemeyer; A. Iriarte; A. Jardin-Blicq; V. Joshi; D. Kieda; W. Lee; H. León Vargas; J. Linnemann; A. Longinotti; G. Luis-Raya; R. López-Coto; K. Malone; O. Martinez; I. Martinez-Castellanos; J. Martínez-Castro; J. Matthews; P. Miranda-Romagnoli; J. Morales-Soto; E. Moreno; M. Mostafá; L. Nellen; M. Newbold; M. Nisa; R. Noriega-Papaqui; N. Omodei; A. Peisker; Y. Pérez Araujo; E. Pérez-Pérez; C. Rho; D. Rosa-González; E. Ruiz-Velasco; F. Salesa Greus; A. Sandoval; M. Schneider; H. Schoorlemmer; J. Serna-Franco; A. Smith; R. Springer; P. Surajbali; K. Tollefson; I. Torres; R. Torres-Escobedo; R. Turner; F. Ureña-Mena; L. Villaseñor; T. Weisgarber; E. Willox; H. Zhou

doi:10.3847/1538-4357/abf64b

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TeV Emission of Galactic Plane Sources with HAWC and H.E.S.S.

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TeV Emission of Galactic Plane Sources with HAWC and H.E.S.S.

H. Abdalla, F. Aharonian, F. Ait Benkhali, E. Angüner, C. Arcaro, C. Armand, T. Armstrong, H. Ashkar, M. Backes, V. Baghmanyan, …

The Astrophysical Journal, Vol.917(1)

09/08/2021

DOI: https://doi.org/10.3847/1538-4357/abf64b

Résumé

Astrophysics - Instrumentation and Methods for Astrophysics

1671

628

632

739

High energy astrophysics

The High Altitude Water Cherenkov (HAWC) observatory and the High Energy Stereoscopic System (H.E.S.S.) are two leading instruments in the ground-based very-high-energy γ-ray domain. HAWC employs the water Cherenkov detection (WCD) technique, while H.E.S.S. is an array of Imaging Atmospheric Cherenkov Telescopes (IACTs). The two facilities therefore differ in multiple aspects, including their observation strategy, the size of their field of view, and their angular resolution, leading to different analysis approaches. Until now, it has been unclear if the results of observations by both types of instruments are consistent: several of the recently discovered HAWC sources have been followed up by IACTs, resulting in a confirmed detection only in a minority of cases. With this paper, we go further and try to resolve the tensions between previous results by performing a new analysis of the H.E.S.S. Galactic plane survey data, applying an analysis technique comparable between H.E.S.S. and HAWC. Events above 1 TeV are selected for both data sets, the point-spread function of H.E.S.S. is broadened to approach that of HAWC, and a similar background estimation method is used. This is the first detailed comparison of the Galactic plane observed by both instruments. H.E.S.S. can confirm the γ-ray emission of four HAWC sources among seven previously undetected by IACTs, while the three others have measured fluxes below the sensitivity of the H.E.S.S. data set. Remaining differences in the overall γ-ray flux can be explained by the systematic uncertainties. Therefore, we confirm a consistent view of the γ-ray sky between WCD and IACT techniques.

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Titre: TeV Emission of Galactic Plane Sources with HAWC and H.E.S.S.
Créateurs - sans rôle: H. Abdalla - University of Namibia
F. Aharonian - Max Planck Institute for Nuclear Physics
F. Ait Benkhali
E. Angüner - Centre National de la Recherche Scientifique
C. Arcaro - North-West University
C. Armand - Laboratoire d’Annecy de Physique des Particules
T. Armstrong - University of Oxford
H. Ashkar - Commissariat à l'Énergie Atomique et aux Énergies Alternatives
M. Backes - University of Namibia
V. Baghmanyan - Institute of Nuclear Physics, Polish Academy of Sciences
V. Barbosa Martins
A. Barnacka - Jagiellonian University
M. Barnard - North-West University
Y. Becherini - Linnaeus University
D. Berge
K. Bernlöhr - Max Planck Institute for Nuclear Physics
B. Bi - University of Tübingen
M. Böttcher - North-West University
C. Boisson - Centre National de la Recherche Scientifique
J. Bolmont - Laboratoire de Physique Nucléaire et de Hautes Énergies
M. de Bony de Lavergne - Laboratoire d’Annecy de Physique des Particules
M. Breuhaus - Max Planck Institute for Nuclear Physics
R. Brose - Dublin Institute For Advanced Studies
F. Brun - Université Paris-Saclay
P. Brun - Commissariat à l'Énergie Atomique et aux Énergies Alternatives
M. Bryan - University of Amsterdam
M. Büchele - Friedrich-Alexander-Universität Erlangen-Nürnberg
T. Bulik - University of Warsaw
T. Bylund - Linnaeus University
S. Caroff - Université Savoie Mont Blanc
A. Carosi - Centre National de la Recherche Scientifique
T. Chand - North-West University
S. Chandra - North-West University
A. Chen - University of the Witwatersrand
G. Cotter - University of Oxford
M. Curyło - University of Warsaw
J. Damascene Mbarubucyeye
I. Davids - University of Namibia
J. Davies - University of Oxford
C. Deil - Max Planck Institute for Nuclear Physics
J. Devin - Centre National de la Recherche Scientifique
L. Dirson - Universität Hamburg
A. Djannati-Ataï - AstroParticule et Cosmologie
A. Dmytriiev - Laboratoire Univers et Théories
A. Donath - Max Planck Institute for Nuclear Physics
V. Doroshenko - University of Tübingen
L. Dreyer - North-West University
C. Duffy - University of Leicester
J. Dyks - Polish Academy of Sciences
K. Egberts - University of Potsdam
F. Eichhorn - Friedrich-Alexander-Universität Erlangen-Nürnberg
S. Einecke - The University of Adelaide
G. Emery - Laboratoire de Physique Nucléaire et de Hautes Énergies
J.-P. Ernenwein - Aix-Marseille Université
K. Feijen - The University of Adelaide
S. Fegan - Laboratoire Leprince-Ringuet
A. Fiasson - Laboratoire d’Annecy de Physique des Particules
G. Fichet de Clairfontaine
G. Fontaine - École Polytechnique
S. Funk - Friedrich-Alexander-Universität Erlangen-Nürnberg
M. Füssling
S. Gabici - Centre National de la Recherche Scientifique
Y. Gallant - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
G. Giavitto
L. Giunti - Université Paris Cité
D. Glawion - Friedrich-Alexander-Universität Erlangen-Nürnberg
J. Glicenstein - Université Paris-Saclay
D. Gottschall - University of Tübingen
M.-H. Grondin - Laboratoire de Physique des deux infinis Bordeaux
J. Hahn - Max Planck Institute for Nuclear Physics
M. Haupt
G. Hermann - Max Planck Institute for Nuclear Physics
J. Hinton - Max Planck Institute for Nuclear Physics
W. Hofmann - Max Planck Institute for Nuclear Physics
C. Hoischen - University of Potsdam
T. Holch
M. Holler - Universität Innsbruck
M. Hörbe - University of Oxford
D. Horns - Universität Hamburg
D. Huber - Universität Innsbruck
M. Jamrozy - Jagiellonian University
D. Jankowsky - Friedrich-Alexander-Universität Erlangen-Nürnberg
F. Jankowsky - Heidelberg University
I. Jung-Richardt - Friedrich-Alexander-Universität Erlangen-Nürnberg
E. Kasai - University of Namibia
M. Kastendieck - Universität Hamburg
K. Katarzyński - Nicolaus Copernicus University
U. Katz - Friedrich-Alexander-Universität Erlangen-Nürnberg
D. Khangulyan - Rikkyo University
B. Khélifi - Laboratoire AstroParticule et Cosmologie
S. Klepser
W. Kluźniak - Nicolaus Copernicus Astronomical Center
Nu. Komin - University of the Witwatersrand
R. Konno
K. Kosack - Commissariat à l'Énergie Atomique et aux Énergies Alternatives
D. Kostunin
M. Kreter - North-West University
G. Lamanna - Laboratoire d’Annecy de Physique des Particules
A. Lemière - Université Paris Cité
M. Lemoine-Goumard - Laboratoire de Physique des deux infinis Bordeaux
J.-P. Lenain - Laboratoire de Physique Nucléaire et de Hautes Énergies
F. Leuschner
C. Levy - Laboratoire de Physique Nucléaire et de Hautes Énergies
T. Lohse
I. Lypova
J. Mackey
J. Majumdar
D. Malyshev
V. Marandon
P. Marchegiani
Alexandre Marcowith - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
A. Mares - Laboratoire de Physique des deux infinis Bordeaux
G. Martí-Devesa
R. Marx
G. Maurin - Laboratoire d’Annecy de Physique des Particules
P. Meintjes
M. Meyer
A. Mitchell
R. Moderski
L. Mohrmann
A. Montanari
C. Moore
P. Morris
E. Moulin
J. Muller - Laboratoire Leprince-Ringuet
T. Murach
K. Nakashima
A. Nayerhoda
M. de Naurois - Laboratoire Leprince-Ringuet
H. Ndiyavala
J. Niemiec
L. Oakes
P. O’brien
H. Odaka
S. Ohm
L. Olivera-Nieto
E. de Ona Wilhelmi
M. Ostrowski
M. Panter
S. Panny
R. Parsons
G. Peron
B. Peyaud
Q. Piel - Laboratoire d’Annecy de Physique des Particules
S. Pita - AstroParticule et Cosmologie
V. Poireau - Laboratoire d’Annecy de Physique des Particules
A. Priyana Noel
D. Prokhorov
H. Prokoph
G. Pühlhofer
M. Punch - AstroParticule et Cosmologie
A. Quirrenbach
S. Raab
R. Rauth
P. Reichherzer
A. Reimer
O. Reimer
Q. Remy
Matthieu Renaud - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
F. Rieger
L. Rinchiuso
C. Romoli
G. Rowell
B. Rudak
V. Sahakian
S. Sailer
H. Salzmann
D. Sanchez - Laboratoire d’Annecy de Physique des Particules
A. Santangelo
M. Sasaki
J. Schäfer
F. Schüssler
H. Schutte
U. Schwanke
M. Seglar-Arroyo
M. Senniappan
A. Seyffert
N. Shafi
J. Shapopi
K. Shiningayamwe
R. Simoni
A. Sinha - AstroParticule et Cosmologie
H. Sol
A. Specovius
S. Spencer
M. Spir-Jacob - AstroParticule et Cosmologie
Ł. Stawarz
L. Sun
R. Steenkamp
C. Stegmann
S. Steinmassl
C. Steppa
T. Takahashi
T. Tavernier
A. Taylor
R. Terrier - AstroParticule et Cosmologie
J. Thiersen
D. Tiziani
M. Tluczykont
L. Tomankova
C. Trichard - Laboratoire Leprince-Ringuet
M. Tsirou
R. Tuffs
Y. Uchiyama
D. van Der Walt
C. van Eldik
C. van Rensburg
B. van Soelen
George Vasileiadis - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
J. Veh
C. Venter
P. Vincent - Laboratoire de Physique Nucléaire et de Hautes Énergies
J. Vink
H. Völk
Z. Wadiasingh
S. Wagner
J. Watson
F. Werner
R. White
A. Wierzcholska
Yu Wun Wong
A. Yusafzai
M. Zacharias
R. Zanin
D. Zargaryan
A. Zdziarski
A. Zech
S. Zhu
A. Zmija
J. Zorn
S. Zouari - AstroParticule et Cosmologie
N. Żywucka
A. Albert
R. Alfaro
C. Alvarez
J. Arteaga-Velézquez
K. Arunbabu
D. Avila Rojas
E. Belmont-Moreno
S. Benzvi
C. Brisbois
K. Caballero-Mora
T. Capistrán
A. Carramiñana
S. Casanova
U. Cotti
J. Cotzomi
S. Coutiño de León
E. de La Fuente
C. de León
R. Diaz Hernandez
J. Díaz-Vélez
B. Dingus
M. Duvernois
M. Durocher
R. Ellsworth
K. Engel
C. Espinoza
K. Fan
M. Fernández Alonso
N. Fraija
A. Galván-Gámez
D. Garcia
J. García-González
F. Garfias
G. Giacinti
M. González
J. Goodman
J. Harding
S. Hernandez
B. Hona
D. Huang
F. Hueyotl-Zahuantitla
P. Hüntemeyer
A. Iriarte
A. Jardin-Blicq
V. Joshi
D. Kieda
W. Lee
H. León Vargas
J. Linnemann
A. Longinotti
G. Luis-Raya
R. López-Coto
K. Malone
O. Martinez
I. Martinez-Castellanos
J. Martínez-Castro
J. Matthews
P. Miranda-Romagnoli
J. Morales-Soto
E. Moreno
M. Mostafá
L. Nellen
M. Newbold
M. Nisa
R. Noriega-Papaqui
N. Omodei
A. Peisker
Y. Pérez Araujo
E. Pérez-Pérez
C. Rho
D. Rosa-González
E. Ruiz-Velasco
F. Salesa Greus
A. Sandoval
M. Schneider
H. Schoorlemmer
J. Serna-Franco
A. Smith
R. Springer
P. Surajbali
K. Tollefson
I. Torres
R. Torres-Escobedo
R. Turner
F. Ureña-Mena
L. Villaseñor
T. Weisgarber
E. Willox
H. Zhou
Détails de publication: The Astrophysical Journal, Vol.917(1)
Identifiants: 99161604009311
Unité académique: Laboratoire Univers et Particules de Montpellier - LUPM
Langue: English
Type de ressource: Journal article
Champs locaux: hal-03414763