Multiple Galactic Sources with Emission Above 56 TeV Detected by HAWC

We present the first catalog of gamma-ray sources emitting above 56 and 100 TeV with data from the High Altitude Water Cherenkov Observatory, a wide field-of-view observatory capable of detecting gamma rays up to a few hundred TeV. Nine sources are observed above 56 TeV, all of which are likely gala...

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Veröffentlicht in:	Physical review letters 2020-01, Vol.124 (2), p.021102-021102, Article 021102
Hauptverfasser:	Abeysekara, A U, Albert, A, Alfaro, R, Angeles Camacho, J R, Arteaga-Velázquez, J C, Arunbabu, K P, Avila Rojas, D, Ayala Solares, H A, Baghmanyan, V, Belmont-Moreno, E, BenZvi, S Y, Brisbois, C, Caballero-Mora, K S, Capistrán, T, Carramiñana, A, Casanova, S, Cotti, U, Cotzomi, J, Coutiño de León, S, De la Fuente, E, de León, C, Dichiara, S, Dingus, B L, DuVernois, M A, Díaz-Vélez, J C, Ellsworth, R W, Engel, K, Espinoza, C, Fleischhack, H, Fraija, N, Galván-Gámez, A, Garcia, D, García-González, J A, Garfias, F, González, M M, Goodman, J A, Harding, J P, Hernandez, S, Hinton, J, Hona, B, Huang, D, Hueyotl-Zahuantitla, F, Hüntemeyer, P, Iriarte, A, Jardin-Blicq, A, Joshi, V, Kaufmann, S, Kieda, D, Lara, A, Lee, W H, León Vargas, H, Linnemann, J T, Longinotti, A L, Luis-Raya, G, Lundeen, J, López-Coto, R, Malone, K, Marinelli, S S, Martinez, O, Martinez-Castellanos, I, Martínez-Castro, J, Martínez-Huerta, H, Matthews, J A, Miranda-Romagnoli, P, Morales-Soto, J A, Moreno, E, Mostafá, M, Nayerhoda, A, Nellen, L, Newbold, M, Nisa, M U, Noriega-Papaqui, R, Peisker, A, Pérez-Pérez, E G, Pretz, J, Ren, Z, Rho, C D, Rivière, C, Rosa-González, D, Rosenberg, M, Ruiz-Velasco, E, Salesa Greus, F, Sandoval, A, Schneider, M, Schoorlemmer, H, Sinnis, G, Smith, A J, Springer, R W, Surajbali, P, Tabachnick, E, Tanner, M, Tibolla, O, Tollefson, K, Torres, I, Torres-Escobedo, R, Villaseñor, L, Weisgarber, T, Wood, J, Yapici, T, Zhang, H
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy and Astrophysics BASIC BIOLOGICAL SCIENCES Field of view Gamma ray sources Gamma rays HAWC High altitude Observatories PeVatrons
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Beschreibung
Zusammenfassung:	We present the first catalog of gamma-ray sources emitting above 56 and 100 TeV with data from the High Altitude Water Cherenkov Observatory, a wide field-of-view observatory capable of detecting gamma rays up to a few hundred TeV. Nine sources are observed above 56 TeV, all of which are likely galactic in origin. Three sources continue emitting past 100 TeV, making this the highest-energy gamma-ray source catalog to date. We report the integral flux of each of these objects. We also report spectra for three highest-energy sources and discuss the possibility that they are PeVatrons.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.124.021102