Abdalla H, Mitchell A, Aharonian F, Spencer S, Benkhali FA, Anguner EO, Arcaro C, Armand C, Armstrong T, Ashkar H, Backes M, Baghmanyan , Martins VB, Barnacka A, Barnard M, Becherini Y, Berge D, Bernlohr K, Bi B, Bottcher M, Boisson C, Bolmont J, Lavergne MDB, Breuhaus M, Brose R, Brun F, Brun P, Bryan M, Büchele M, Bulik T, Bylund T, Caroff S, Carosi A, Chand T, Chandra S, Chen A, Cotter G, Mbarubucyeye JD, Davids ID, Davies J, Deil C, Devin J, Dirson L, Djannati-Atai A, Dmytriiev A, Donath A, Doroshenko , Dreyer L, Duffy C, Dyks J, Egberts K, Eichhorn F, Einecke S, Emery G, Ernenwein JP, Feijen K, Fegan S, Fiasson A, De Clairfontaine GF, Fontaine G, Funk S, Fuessling M, Gabici S, Gallant YA, Giavitto G, Giunti L, Glawion D, Glicenstein JF, Gottschall D, Grondin MH, Hahn J, Haupt M, Hermann G, Hinton JA, Hofmann W, Hoischen C, Holch TL, Holler M, Horbe M, Horns D, Huber D, Jamrozy M, Jankowsky D, Jankowsky F, Jung-Richardt , Kasai E, Kastendieck MA, Katarzynski K, Katz U, Khangulyan D, Khelifi B, Klepser S, Komin N, Konno R, Kosack K, Kostunin D, Kreter M, Lamanna G, Lemiere A, Lemoine-Goumard M, Lenain JP, Leuschner F, Levy C, Lohse T, Lypova , Mackey J, Majumdar J, Malyshev D, Malyshev D, Marandon , Marchegiani P, Marcowith A, Mares A, Marti-Devesa G, Marx R, Maurin G, Meintjes PJ, Meyer M, Mitchell AMW, Moderski R, Mohrmann L, Montanari A, Moore C, Morris P, Moulin E, Muller J, Murach T, Nakashima K, Nayerhoda A, De Naurois M, Ndiyavala H, Niemiec J, Oakes L, Odaka H, Ohm S, Olivera-Nieto L, Wilhelmi EDO, Ostrowski M, Panter M, Panny S, Parsons RD, Peron G, Peyaud B, Piel Q, Pita S, Poireau , Noel AP, Prokhorov DA, Prokoph H, Puehlhofer G, Punch M, Quirrenbach A, Raab S, Rauth R, Reichherzer P, Reimer A, Reimer O, Remy Q, Renaud M, Rieger F, Rinchiuso L, Romoli C, Rowell G, Rudak B, Sahakian , Sailer S, Salzmann H, Sanchez DA, Santangelo A, Sasaki M, Schäfer J, Schussler F, Schutte HM, Schwanke U, Seglar-Arroyo M, Senniappan M, Seyffert AS, Shafi N, Shapopi JNS, Shiningayamwe K, Simoni R, Sinha A, Sol H, Specovius A, Spencer ST, Sun L, Steenkamp R, Stegmann C, Steinmassl S, Steppa C, Takahashi T, Tavernier T, Taylor AM, Terrier R, Thiersen JHE, Tiziani D, Tluczykont M, Tomankova L, Trichard C, Tsirou M, Tuffs R, Uchiyama Y, Van Der Walt DJ, van Eldik C, Van Rensburg C, Van Soelen B, Vasileiadis G, Veh J, Venter C, Vincent P, Vink J, Voelk HJ, Wadiasingh Z, Wagner SJ, Watson J, Werner F, White R, Wierzcholska A, Wong YW, Yusafzai A, Zacharias M, Zanin R, Zargaryan D, Zdziarski AA, Zech A, Zhu SJ, Zmija A, Zorn J, Zouari S, Zywucka N, Albert A, Alfaro R, Alvarez C, Arteaga-Velezquez JC, Arunbabu KP, Rojas DA, Belmont-Moreno E, Benzvi SY, Brisbois C, Caballero-Mora KS, Capistran T, Carraminana A, Casanova S, Cotti U, Cotzomi J, Coutino De Leon S, De La Fuente E, De Leon C, Diaz Hernandez R, Diaz-Velez JC, Dingus BL, Duvernois MA, Durocher M, Ellsworth RW, Engel K, Espinoza C, Fan KL, Alonso MF, Fraija N, Galvan-Gamez A, Garcia D, Garcia-Gonzalez JA, Garfias F, Giacinti G, Gonzalez MM, Goodman JA, Harding JP, Hernandez S, Hona B, Huang D, Hueyotl-Zahuantitla F, Huntemeyer P, Iriarte A, Jardin-Blicq A, Joshi , Kieda D, Lee WH, Leon Vargas H, Linnemann JT, Longinotti AL, Luis-Raya G, Lopez-Coto R, Malone K, Martinez O, Martinez-Castellanos , Martinez-Castro J, Matthews JA, Miranda-Romagnoli P, Morales-Soto JA, Moreno E, Mostafa M, Nayerhoda A, Nellen L, Newbold M, Nisa MU, Noriega-Papaqui R, Omodei N, Peisker A, Araujo YP, Perez-Perez EG, Rho CD, Rosa-Gonzalez D, Ruiz-Velasco E, Salesa Greus F, Sandoval A, Schneider M, Schoorlemmer H, Serna-Franco J, Smith AJ, Springer RW, Surajbali P, Tollefson K, Torres , Torres-Escobedo R, Turner R, Urena-Mena F, Villasenor L, Weisgarber T, Willox E, Zhou H (2021)
Publication Type: Journal article
Publication year: 2021
Book Volume: 917
Journal Issue: 1
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 gamma-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 gamma-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 gamma-ray flux can be explained by the systematic uncertainties. Therefore, we confirm a consistent view of the gamma-ray sky between WCD and IACT techniques.
APA:
Abdalla, H., Mitchell, A., Aharonian, F., Spencer, S., Benkhali, F.A., Anguner, E.O.,... Zhou, H. (2021). TeV Emission of Galactic Plane Sources with HAWC and HESS. Astrophysical Journal, 917(1). https://dx.doi.org/10.3847/1538-4357/abf64b
MLA:
Abdalla, H., et al. "TeV Emission of Galactic Plane Sources with HAWC and HESS." Astrophysical Journal 917.1 (2021).
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