Related papers: HAWC: Design, Operation, Reconstruction and Analys…

Expected performance of the GAW Cherenkov Telescopes Array. Simulation and Analysis

GAW is a "path-finder" experiment to test the feasibility of a new generation of Imaging Atmospheric Cherenkov telescopes that join high flux sensitivity with large field of view capability using Fresnel lens, stereoscopic observational…

Astrophysics · Physics 2007-07-31 M. C. Maccarone , P. Assis , O. Catalano , G. Cusumano , M. C. Espirito Santo , P. Goncalves , M. Moles , M. Pimenta , A. Pina , B. Sacco , B. Tome'

The Fourth HAWC Catalog of Very-High-Energy Gamma-Ray Sources

We present an updated catalog of TeV gamma-ray sources based on the fifth pass of data from the High-Altitude Water Cherenkov (HAWC) Observatory. This release benefits from improved event reconstruction and nearly three additional years of…

High Energy Astrophysical Phenomena · Physics 2026-02-03 R. Alfaro , C. Alvarez , E. Anita-Rangel , M. Araya , J. C. Arteaga-Velazquez , D. Avila Rojas , H. A. Ayala Solares , P. Bangale , E. Belmont-Moreno , A. Bernal , K. S. Caballero-Mora , T. Capistran , A. Carraminana , F. Carreon , S. Casanova , U. Cotti , J. Cotzomi , S. Coutino de Leon , E. De la Fuente , P. Desiati , N. Di Lalla , R. Diaz Hernandez , B. L. Dingus , M. A. DuVernois , J. C. Dıaz-Velez , K. Engel , T. Ergin , C. Espinoza , K. Fang , N. Fraija , S. Fraija , J. A. Garcıa-Gonzalez , F. Garfias , N. Ghosh , M. M. Gonzalez , J. A. Gonzalez , J. A. Goodman , S. Groetsch , D. Guevel , S. Hernandez-Cadena , F. Hueyotl-Zahuantitla , P. Huntemeyer , A. Iriarte , S. Kaufmann , D. Kieda , A. Lara , K. Leavitt , T. Lewis , H. Leon Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis-Raya , O. Martinez , J. Martınez-Castro , H. Martınez-Huerta , J. A. Matthews , P. Miranda-Romagnoli , E. Moreno , M. Mostafa , M. Najafi , A. Nayerhoda , L. Nellen , R. Noriega-Papaqui , N. Omodei , M. Osorio-Archila , E. Ponce , Y. Perez Araujo , E. G. Perez-Perez , Q. Remy , A. Rodriguez Parra , D. Rosa-Gonzalez , M. Roth , H. Salazar , A. Sandoval , J. Serna-Franco , Y. Son , R. W. Springer , O. Tibolla , K. Tollefson , I. Torres , R. Torres-Escobedo , R. Turner , E. Varela , L. Villasenor , I. J. Watson , H. Wu , S. Yu , X. Zhang , H. Zhou , C. de Leon

HAWC Observation of Supernova Remnants and Pulsar Wind Nebulae

The majority of Galactic TeV gamma-ray sources are pulsar wind nebulae (PWNe) and supernova remnants (SNRs), and the most common association for unidentified sources is PWN. Many of these sources were discovered in TeV by imaging air…

High Energy Astrophysical Phenomena · Physics 2019-08-13 C. M. Hui , H. Zhou

First HAWC Observations of the Sun Constrain Steady TeV Gamma-Ray Emission

Steady gamma-ray emission up to at least 200 GeV has been detected from the solar disk in the Fermi-LAT data, with the brightest, hardest emission occurring during solar minimum. The likely cause is hadronic cosmic rays undergoing…

High Energy Astrophysical Phenomena · Physics 2018-12-26 A. Albert , R. Alfaro , C. Alvarez , R. Arceo , J. C. Arteaga-Velázquez , D. Avila Rojas , H. A. Ayala Solares , E. Belmont-Moreno , S. Y. BenZvi , C. Brisbois , K. S. Caballero-Mora , T. Capistràn , A. Carramiñana , S. Casanova , M. Castillo , J. Cotzomi , S. Coutiño de León , C. De León , E. De la Fuente , S. Dichiara , B. L. Dingus , M. A. DuVernois , J. C. Díaz-Vélez , K. Engel , O. Enríquez-Rivera , C. Espinoza , H. Fleischhack , N. Fraija , J. A. García-González , F. Garfias , M. M. González , J. A. Goodman , Z. Hampel-Arias , J. P. Harding , S. Hernandez , B. Hona , F. Hueyotl-Zahuantitla , P. Hüntemeyer , A. Iriarte , A. Jardin-Blicq , V. Joshi , S. Kaufmann , H. León Vargas , G. Luis-Raya , J. Lundeen , R. López-Coto , K. Malone , S. S. Marinelli , O. Martinez , I. Martinez-Castellanos , J. Martínez-Castro , P. Miranda-Romagnoli , E. Moreno , M. Mostafá , A. Nayerhoda , L. Nellen , M. Newbold , M. U. Nisa , R. Noriega-Papaqui , J. Pretz , E. G. Pérez-Pérez , Z. Ren , C. D. Rho , C. Rivière , D. Rosa-González , M. Rosenberg , E. Ruiz-Velasco , H. Salazar , F. Salesa Greus , A. Sandoval , M. Schneider , H. Schoorlemmer , M. Seglar Arroyo , G. Sinnis , A. J. Smith , P. Surajbali , I. Taboada , O. Tibolla , K. Tollefson , I. Torres , L. Villaseñor , T. Weisgarber , S. Westerhoff , I. G. Wisher , J. Wood , T. Yapici , A. Zepeda , H. Zhou , J. D. Álvarez , J. F. Beacom , R. K. Leane , T. Linden , K. C. Y. Ng , A. H. G. Peter , B. Zhou

The Cherenkov Telescope Array

The Cherenkov Telescope Array (CTA) is the next generation ground-based observatory for gamma-ray astronomy at very-high energies. It will be capable of detecting gamma rays in the energy range from 20 GeV to more than 300 TeV with…

Instrumentation and Methods for Astrophysics · Physics 2019-07-22 Daniel Mazin

Search for Decaying Dark Matter in the Virgo Cluster of Galaxies with HAWC

The decay or annihilation of dark matter particles may produce a steady flux of very-high-energy gamma rays detectable above the diffuse background. Nearby clusters of galaxies provide excellent targets to search for the signatures of…

High Energy Astrophysical Phenomena · Physics 2024-01-12 A. Albert , R. Alfaro , J. C. Arteaga-Velázquez , H. A. Ayala Solares , R. Babu , E. Belmont-Moreno , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , J. Cotzomi , S. Coutiño de León , D. Depaoli , R. Diaz Hernandez , M. A. DuVernois , M. Durocher , N. Fraija , J. A. García-González , M. M. González , J. A. Goodman , J. P. Harding , S. Hernández-Cadena , I. Herzog , D. Huang , F. Hueyotl-Zahuantitla , V. Joshi , S. Kaufmann , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis-Raya , K. Malone , J. Martínez-Castro , J. A. Matthews , P. Miranda-Romagnoli , J. A. Morales-Soto , M. Mostafá , A. Nayerhoda , L. Nellen , M. U. Nisa , R. Noriega-Papaqui , N. Omodei , E. G. Pérez-Pérez , C. D. Rho , D. Rosa-González , M. Schneider , Y. Son , R. W. Springer , O. Tibolla , K. Tollefson , I. Torres , R. Torres-Escobedo , R. Turner , F. Ureña-Mena , L. Villaseñor , X. Wang , I. J. Watson , S. Yun-Cárcamo

Performance of the Cherenkov Telescope Array

The Cherenkov Telescope Array (CTA) is expected to become the by far largest and most sensitive observatory for very-high-energy gamma rays in the energy range from 20 GeV to more than 300 TeV. CTA will be capable of detecting gamma rays…

Instrumentation and Methods for Astrophysics · Physics 2019-07-19 G. Maier , L. Arrabito , K. Bernlöhr , J. Bregeon , P. Cumani , T. Hassan , J. Hinton , A. Moralejo

Observations of the Crab Nebula with MACE (Major Atmospheric Cherenkov Experiment)

The Major Atmospheric Cherenkov Experiment (MACE) is a large size (21m) Imaging Atmospheric Cherenkov Telescope (IACT) installed at an altitude of 4270m above sea level at Hanle, Ladakh in northern India. Here we report the detection of…

High Energy Astrophysical Phenomena · Physics 2024-04-03 Borwankar C. , Sharma M. , Hariharan J. , Venugopal K. , Godambe S. , Mankuzhyil N. , Chandra P. , Khurana M. , Pathania A. , Chouhan N. , Dhar V. K. , Thubstan R. , Norlha S. , Keshavananda , Sarkar D. , Dar Z. A. , Kotwal S. V. , Godiyal S. , Kushwaha C. P. , Singh K. K. , Das M. P. , Tolamatti A. , Ghosal B. , Chanchalani K. , Pandey P. , Bhatt N. , Bhattcharyya S. , Sahayanathan S. , Koul M. K. , Dorjey P. , Dorji N. , Chitnis V. R. , Tickoo A. K. , Rannot R. C. , Yadav K. K

GAW - A very large field-of-view Imaging Atmospheric Cherenkov Telescope

GAW (Gamma Air Watch) is a pathfinder experiment in the TeV range to test the feasibility of a new generation of Imaging Atmospheric Cherenkov Telescopes (IACT). It combines high flux sensitivity with large field-of-view (FoV=24deg x 24deg)…

High Energy Astrophysical Phenomena · Physics 2010-06-14 Luisa Arruda , GAW collaboration

Dark Matter Annihilation and Decay Searches with the High Altitude Water Cherenkov (HAWC) Observatory

In order to observe annihilation and decay of dark matter, several types of potential sources should be considered. Some sources, such as dwarf galaxies, are expected to have very low astrophysical backgrounds but fairly small dark matter…

High Energy Astrophysical Phenomena · Physics 2019-08-13 J. Patrick Harding , Brenda Dingus

The CONDOR Observatory: A Gamma-Ray Observatory with a 100 GeV Threshold at 5300 Meters Above Sea Level

We present the design of the Compact Network of Detectors with Orbital Range (CONDOR), a proposed high-altitude gamma-ray and cosmic-ray (CR) observatory set to become the highest of its kind. Planned for installation at Cerro Toco in the…

Instrumentation and Methods for Astrophysics · Physics 2026-05-28 Miguel Arratia , Will Brooks , Jiajun Huang , Gonzalo Muñoz J. , Luis Navarro F. , Sebouh J. Paul , Raquel Pezoa R. , Sebastian Tapia , Daniel Torres A. , Constanza Valdivieso C. , Nicolas Viaux M

The all-particle energy spectrum of cosmic rays from 10 TeV to 1 PeV measured with HAWC

The HAWC observatory is an air-shower detector, which is designed to study both astrophysical gamma-rays in the TeV region and galactic cosmic rays in the energy interval from 1 TeV to 1 PeV. This energy regime is quite interesting for…

High Energy Astrophysical Phenomena · Physics 2023-01-26 J. A. Morales-Soto , J. C. Arteaga-Velázquez

The lateral distribution function of cosmic-ray induced air showers studied with the HAWC observatory

The particle lateral distribution function (LDF) of air showers at a given altitude is sensitive to the mass composition and primary energy of cosmic rays. Studies of the LDF are difficult to perform due to experimental effects such as…

High Energy Astrophysical Phenomena · Physics 2019-08-22 J. A. Morales-Soto , J. C. Arteaga-Velázquez , J. D. Álvarez

A multi-messenger study of the Fermi Bubbles: very high energy gamma rays and neutrinos

The Fermi Bubbles have been imaged in sub-TeV gamma rays at Fermi-LAT, and, if their origin is hadronic, they might have been seen with low statistics in $\sim 0.1- 1$ PeV neutrinos at IceCube. We discuss the detectability of these objects…

High Energy Astrophysical Phenomena · Physics 2015-07-22 Cecilia Lunardini , Soebur Razzaque , Lili Yang

The Large Aperture GRB Observatory

The Large Aperture GRB Observatory (LAGO) is aiming at the detection of the high energy (around 100 GeV) component of Gamma Ray Bursts, using the single particle technique in arrays of Water Cherenkov Detectors (WCD) in high mountain sites…

High Energy Astrophysical Phenomena · Physics 2009-06-05 D. Allard , C. Alvarez , H. Asorey , H. Barros , X. Bertou , M. Castillo , J. M. Chirinos , A. De Castro , S. Flores , J. Gonzalez , M. Gomez Berisso , J. Grajales , C. Guada , W. R. Guevara Day , J. Ishitsuka , J. A. Lopez , O. Martinez , A. Melfo , E. Meza , P. Miranda Loza , E. Moreno Barbosa , C. Murrugarra , L. A. Nunez , L. J. Otiniano Ormachea , G. Perez , Y. Perez , E. Ponce , J. Quispe , C. Quintero , H. Rivera , M. Rosales , A. C. Rovero , O. Saavedra , H. Salazar , J. C. Tello , R. Ticona Peralda , E. Varela , A. Velarde , L. Villasenor , D. Wahl , M. A. Zamalloa

Detection of two TeV gamma-ray outbursts from NGC 1275 by LHAASO

The Water Cherenkov Detector Array (WCDA) is one of the components of Large High Altitude Air Shower Observatory (LHAASO) and can monitor any sources over two-thirds of the sky for up to 7 hours per day with >98\% duty cycle. In this work,…

High Energy Astrophysical Phenomena · Physics 2025-04-21 Zhen Cao , F. Aharonian , Axikegu , Y. X. Bai , Y. W. Bao , D. Bastieri , X. J. Bi , Y. J. Bi , J. T. Cai , Q. Cao , W. Y. Cao , Zhe Cao , J. Chang , J. F. Chang , A. M. Chen , E. S. Chen , Liang Chen , Lin Chen , Long Chen , M. J. Chen , M. L. Chen , Q. H. Chen , S. H. Chen , S. Z. Chen , T. L. Chen , Y. Chen , N. Cheng , Y. D. Cheng , M. Y. Cui , S. W. Cui , X. H. Cui , Y. D. Cui , B. Z. Dai , H. L. Dai , Z. G. Dai , Danzengluobu , D. della Volpe , X. Q. Dong , K. K. Duan , J. H. Fan , Y. Z. Fan , J. Fang , K. Fang , C. F. Feng , L. Feng , S. H. Feng , X. T. Feng , Y. L. Feng , S. Gabici , B. Gao , C. D. Gao , L. Q. Gao , Q. Gao , W. Gao , W. K. Gao , M. M. Ge , L. S. Geng , G. Giacinti , G. H. Gong , Q. B. Gou , M. H. Gu , F. L. Guo , X. L. Guo , Y. Q. Guo , Y. Y. Guo , Y. A. Han , H. H. He , H. N. He , J. Y. He , X. B. He , Y. He , M. Heller , Y. K. Hor , B. W. Hou , C. Hou , X. Hou , H. B. Hu , Q. Hu , S. C. Hu , D. H. Huang , T. Q. Huang , W. J. Huang , X. T. Huang , X. Y. Huang , Y. Huang , Z. C. Huang , X. L. Ji , H. Y. Jia , K. Jia , K. Jiang , X. W. Jiang , Z. J. Jiang , M. Jin , M. M. Kang , T. Ke , D. Kuleshov , K. Kurinov , B. B. Li , Cheng Li , Cong Li , D. Li , F. Li , H. B. Li , H. C. Li , H. Y. Li , J. Li , Jian Li , Jie Li , K. Li , W. L. Li , W. L. Li , X. R. Li , Xin Li , Y. Z. Li , Zhe Li , Zhuo Li , E. W. Liang , Y. F. Liang , S. J. Lin , B. Liu , C. Liu , D. Liu , H. Liu , H. D. Liu , J. Liu , J. L. Liu , J. Y. Liu , M. Y. Liu , R. Y. Liu , S. M. Liu , W. Liu , Y. Liu , Y. N. Liu , R. Lu , Q. Luo , H. K. Lv , B. Q. Ma , L. L. Ma , X. H. Ma , J. R. Mao , Z. Min , W. Mitthumsiri , H. J. Mu , Y. C. Nan , A. Neronov , Z. W. Ou , B. Y. Pang , P. Pattarakijwanich , Z. Y. Pei , M. Y. Qi , Y. Q. Qi , B. Q. Qiao , J. J. Qin , D. Ruffolo , A. Sáiz , D. Semikoz , C. Y. Shao , L. Shao , O. Shchegolev , X. D. Sheng , F. W. Shu , H. C. Song , Yu. V. Stenkin , V. Stepanov , Y. Su , Q. N. Sun , X. N. Sun , Z. B. Sun , P. H. T. Tam , Q. W. Tang , Z. B. Tang , W. W. Tian , C. Wang , C. B. Wang , G. W. Wang , H. G. Wang , H. H. Wang , J. C. Wang , K. Wang , L. P. Wang , L. Y. Wang , P. H. Wang , R. Wang , W. Wang , X. G. Wang , X. Y. Wang , Y. Wang , Y. D. Wang , Y. J. Wang , Z. H. Wang , Z. X. Wang , Zhen Wang , Zheng Wang , D. M. Wei , J. J. Wei , Y. J. Wei , T. Wen , C. Y. Wu , H. R. Wu , S. Wu , X. F. Wu , Y. S. Wu , S. Q. Xi , J. Xia , J. J. Xia , G. M. Xiang , D. X. Xiao , G. Xiao , G. G. Xin , Y. L. Xin , Y. Xing , Z. Xiong , D. L. Xu , R. F. Xu , R. X. Xu , W. L. Xu , L. Xue , D. H. Yan , J. Z. Yan , T. Yan , C. W. Yang , F. Yang , F. F. Yang , H. W. Yang , J. Y. Yang , L. L. Yang , M. J. Yang , R. Z. Yang , S. B. Yang , Y. H. Yao , Z. G. Yao , Y. M. Ye , L. Q. Yin , N. Yin , X. H. You , Z. Y. You , Y. H. Yu , Q. Yuan , H. Yue , H. D. Zeng , T. X. Zeng , W. Zeng , M. Zha , B. B. Zhang , F. Zhang , H. M. Zhang , H. Y. Zhang , J. L. Zhang , L. X. Zhang , Li Zhang , P. F. Zhang , P. P. Zhang , R. Zhang , S. B. Zhang , S. R. Zhang , S. S. Zhang , X. Zhang , X. P. Zhang , Y. F. Zhang , Yi Zhang , Yong Zhang , B. Zhao , J. Zhao , L. Zhao , L. Z. Zhao , S. P. Zhao , F. Zheng , B. Zhou , H. Zhou , J. N. Zhou , M. Zhou , P. Zhou , R. Zhou , X. X. Zhou , C. G. Zhu , F. R. Zhu , H. Zhu , K. J. Zhu , X. Zuo.

Dark Matter Limits From Dwarf Spheroidal Galaxies with The HAWC Gamma-Ray Observatory

The High Altitude Water Cherenkov (HAWC) gamma-ray observatory is a wide field of view observatory sensitive to 500 GeV - 100 TeV gamma rays and cosmic rays. It can also perform diverse indirect searches for dark matter (DM) annihilation…

High Energy Astrophysical Phenomena · Physics 2018-02-14 A. Albert , R. Alfaro , C. Alvarez , J. D. Álvarez , R. Arceo , J. C. Arteaga-Velázquez , D. Avila Rojas , H. A. Ayala Solares , N. Bautista-Elivar , A. Becerril , E. Belmont-Moreno , S. Y. BenZvi , A. Bernal , J. Braun , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , M. Castillo , U. Cotti , C. De León , E. De la Fuente , R. Diaz Hernandez , B. L. Dingus , M. A. DuVernois , J. C. Díaz-Vélez , R. W. Ellsworth , D. W. Fiorino , N. Fraija , J. A. García-González , F. Garfias , M. M. González , J. A. Goodman , J. P. Harding , S. Hernandez , A. Hernandez-Almada , A. Iriarte , V. Joshi , S. Kaufmann , D. Kieda , R. J. Lauer , D. Lennarz , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis Raya , R. López-Coto , K. Malone , S. S. Marinelli , I. Martinez-Castellanos , J. Martínez-Castro , H. Martínez-Huerta , J. A. Matthews , P. Miranda-Romagnoli , E. Moreno , L. Nellen , M. Newbold , M. U. Nisa , R. Noriega-Papaqui , R. Pelayo , J. Pretz , E. G. Pérez-Pérez , Z. Ren , C. D. Rho , C. Rivière , D. Rosa-González , E. Ruiz-Velasco , F. Salesa Greus , A. Sandoval , M. Schneider , H. Schoorlemmer , G. Sinnis , A. J. Smith , R. W. Springer , P. Surajbali , I. Taboada , O. Tibolla , K. Tollefson , I. Torres , T. Weisgarber , T. Yapici , H. Zhou

Joint analysis of TeV blazar light curves with FACT and HAWC

Probing the high energy emission processes of blazars through their variability relies crucially on long-term monitoring. We present unprecedented light curves from unbiased observations of very high energy fluxes from the blazars Mrk 421…

High Energy Astrophysical Phenomena · Physics 2019-08-15 Daniela Dorner , Robert J. Lauer

First HAWC Spectra of Galactic Gamma-ray Sources Above 100 TeV and the Implications for Cosmic-ray Acceleration

We present the first catalogs of the highest-energy (above 56 TeV and 100 TeV) gamma-ray sources seen by the High Altitude Water Cherenkov (HAWC) Observatory. The wide field-of-view of HAWC naturally lends itself to unbiased all-sky surveys…

High Energy Astrophysical Phenomena · Physics 2019-08-21 Kelly Malone

Sensitivity estimate of the MACE gamma ray telescope

The MACE (Major Atmospheric Cherenkov Experiment) is a 21 m diameter gamma-ray telescope which is presently being installed at Hanle in Ladakh, India (32^0 46^' 46^" N, 78^0 58^' 35^" E) at an altitude of 4270 m a.s.l. Once operational, it…

Instrumentation and Methods for Astrophysics · Physics 2017-01-06 Mradul Sharma , Chinmay B. , Nilay Bhatt , Subir Bhattacharyya , S. Bose , Abhas Mitra , R. Koul , A. K. Tickoo , Ramesh C. Rannot