Related papers: Prospective Study on Observations of {\gamma}-Ray …

Monitoring TeV blazars with HAWC

The recently completed High Altitude Water Cherenkov (HAWC) gamma-ray observatory has been taking data with a partial array for more than one year and is now operating with >95% duty cycle in its full configuration. With an instantaneous…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Robert J. Lauer , Patrick W. Younk

Experimental approaches for 100 TeV gamma-ray astronomy

The high energy end of gamma-ray source spectra might provide important clues regarding the nature of the processes involved in gamma-ray emission. Several galactic sources with hard emission spectra extending up to more than 30TeV have…

Astrophysics · Physics 2008-11-26 Pierre Colin , Stephan LeBohec , Jamie Holder

The Cherenkov Telescope Array On-Site integral sensitivity: observing the Crab

The Cherenkov Telescope Array (CTA) is the future large observatory in the very high energy (VHE) domain. Operating from 20 GeV to 300 TeV, it will be composed of tens of Imaging Air Cherenkov Telescopes (IACTs) displaced in a large area of…

Instrumentation and Methods for Astrophysics · Physics 2016-08-18 Valentina Fioretti , Andrea Bulgarelli , Fabian Schussler

Probing Galactic Diffuse TeV Gamma-Ray Emission with the HAWC Observatory

Galactic diffuse TeV gamma-ray emission is produced by the interaction of high-energy cosmic-ray particles with matter and radiation in our Galaxy. The measurement of Galactic diffuse TeV gamma-ray emission would provide strong constraints…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Hao Zhou , Chang Dong Rho , Giacomo Vianello

Detailed Analysis of the TeV {\gamma}-Ray Sources 3HWC J1928+178, 3HWC J1930+188, and the New Source HAWC J1932+192

The latest High Altitude Water Cherenkov (HAWC) point-like source catalog up to 56 TeV reported the detection of two sources in the region of the Galactic plane at galactic longitude 52\deg < l < 55\deg, 3HWC J1930+188 and 3HWC J1928+178.…

High Energy Astrophysical Phenomena · Physics 2023-03-01 A. Albert , R. Alfaro , C. Alvarez , J. C. Arteaga-Velázquez , D. Avila Rojas , H. A. Ayala Solares , R. Babu , E. Belmont-Moreno , C. Brisbois , K. S. Caballero-Mora , T. Capistrń , A. Carramiñana , S. Casanova , O. Chaparro-Amaro , U. Cotti , J. Cotzomi , S. CoutiñodeLeón , E. De la Fuente , C. de León , R. Diaz Hernandez , J. C. Díaz-Vélez , B. L. Dingus , M. A. DuVernois , M. Durocher , K. Engel , C. Espinoza , K. L. Fan , M. Fernández Alonso , N. Fraija , J. A. García-González , F. Garfias , H. Goksu , M. M. González , J. A. Goodman , J. P. Harding , S. Hernandez , J. Hinton , B. Hona , D. Huang , F. Hueyotl-Zahuantitla , P. Hüntemeyer , A. Iriarte , A. Jardin-Blicq , V. Joshi , S. Kaufmann , D. Kieda , W. H. Lee , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis-Raya , R. López-Coto , K. Malone , V. Marandon , O. Martinez , 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 , L. Olivera-Nieto , N. Omodei , A. Peisker , Y. Pérez Araujo , E. G. Pérez-Pérez , C. D. Rho , D. Rosa-González , E. Ruiz-Velasco , H. Salazar , D. Salazar-Gallegos , F. Salesa Greus , A. Sandoval , M. Schneider , J. Serna-Franco , A. J. Smith , Y. Son , R. W. Springer , O. Tibolla , K. Tollefson , I. Torres , R. Torres-Escobedo , R. Turner , F. Ureña-Mena , L. Villaseñor , X. Wang , F. Werner , E. Willox , H. Zhou

Measurement of the Crab Nebula Spectrum Past 100 TeV with HAWC

We present TeV gamma-ray observations of the Crab Nebula, the standard reference source in ground-based gamma-ray astronomy, using data from the High Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory. In this analysis we use two…

High Energy Astrophysical Phenomena · Physics 2019-09-18 HAWC Collaboration , A. U. Abeysekara , A. Albert , R. Alfaro , C. Alvarez , J. D. Álvarez , J. R. Angeles Camacho , R. Acero , J. C. Arteaga-Velázquez , K. P. Arunbabu , D. Avila Rojas , H. A. Ayala Solares , V. Baghmanyan , E. Belmont-Moreno , S. Y. BenZvi , C. Brisbois , K. S. Cabellero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , U. Cotti , J. Cotzomi , S. Coutiño de León , E. De la Fuente , C. de León , S. Dichiara , B. L. Dingus , M. A. DuVernois , J. C. Díaz-Vélez , R. W. Ellsworth , K. Engel , C. Espinoza , B. Fick , H. Fleischhack , N. Fraija , A. Galván-Gámez , J. A. García-González , F. Garfias , M. M. González , J. A. Goodman , J. P. Harding , S. Hernandez , J. Hinton , B. Hona , F. Hueyotl-Zahuantitla , C. M. Hui , P. Hüntemeyer , A. Iriarte , A. Jardin-Blicq , V. Joshi , S. Kaufmann , D. Kieda , A. Lara , W. H. Lee , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis-Raya , J. Lundeen , K. Malone , S. S. Marinelli , O. Martinez , I. Martinez-Castellanos , J. Martínez-Castro , H. Martínez-Huerta , 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 , A. Peisker , E. G. Pérez-Pérez , J. Pretz , 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 , R. W. Springer , P. Surajbali , E. Tabachnick , M. Tanner , O. Tibolla , K. Tollefson , I. Torres , T. Weisgarber , S. Westerhoff , J. Wood , T. Yapici , A. Zepeda , H. Zhou

Unveiling TeV halos among unidentified extended TeV sources

In recent years, the number of known sources emitting very- and ultra-high-energy gamma-rays has increased significantly thanks to facilities such as LHAASO and HAWC. Many of the observed sources are still unidentified or poorly constrained…

High Energy Astrophysical Phenomena · Physics 2025-09-19 Michela Rigoselli , Sarah Recchia , Alberto Bonollo , Silvia Crestan , Giada Peron , Andrea Giuliani , Sandro Mereghetti

Radio galaxies - the TeV challenge

Over the past decade, our knowledge of the \gamma-ray sky has been revolutionized by ground- and space-based observatories by detecting photons up to several hundreds of tera-electron volt (TeV) energies. A major population of the…

High Energy Astrophysical Phenomena · Physics 2018-11-05 B. Rani

A Search for Dark Matter in the Galactic Halo with HAWC

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. With its observations over 2/3 of the sky every day, the HAWC observatory is…

High Energy Astrophysical Phenomena · Physics 2018-03-14 A. U. Abeysekara , A. M. Albert , R. Alfaro , C. Alvarez , J. D. Álvarez , R. Arceo , J. C. Arteaga-Velázquez , D. Avila Rojas , H. A. Ayala Solares , A. Becerril , E. Belmont-Moreno , S. Y. BenZvi , A. Bernal , C. Brisbois , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , M. Castillo , U. Cotti , J. Cotzomi , C. De León , E. De la Fuente , R. Diaz Hernandez , B. L. Dingus , M. A. DuVernois , J. C. Díaz-Vélez , K. Engel , O. Enríquez-Rivera , D. W. Fiorino , H. Fleischhack , N. Fraija , J. A. García-González , F. Garfias , A. González Muñoz , M. M. González , J. A. Goodman , Z. Hampel-Arias , J. P. Harding , S. Hernandez , A. Hernandez-Almada , F. Hueyotl-Zahuantitla , P. Hüntemeyer , A. Iriarte , A. Jardin-Blicq , V. Joshi , S. Kaufmann , R. J. Lauer , W. H. Lee , D. Lennarz , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis-Raya , R. Luna-García , R. López-Coto , K. Malone , S. S. Marinelli , O. Martinez , I. Martinez-Castellanos , J. Martínez-Castro , J. A. Matthews , P. Miranda-Romagnoli , E. Moreno , M. Mostafá , L. Nellen , M. Newbold , M. U. Nisa , R. Noriega-Papaqui , R. Pelayo , J. Pretz , E. G. Pérez-Pérez , Z. Ren , C. D. Rho , N. L. Rodd , D. Rosa-González , M. Rosenberg , E. Ruiz-Velasco , B. R. Safdi , H. Salazar , F. Salesa Greus , A. Sandoval , M. Schneider , G. Sinnis , A. J. Smith , R. W. Springer , P. Surajbali , I. Taboada , O. Tibolla , K. Tollefson , I. Torres , T. N. Ukwatta , G. Vianello , L. Villaseñor , T. Weisgarber , S. Westerhoff , I. G. Wisher , J. Wood , T. Yapici , G. B. Yodh , P. W. Younk , A. Zepeda , H. Zhou

Detecting gamma-rays with moderate resolution and large field of view: Particle detector arrays and water Cherenkov technique

The fields of cosmic ray astrophysics, gamma-ray astrophysics, and neutrino astrophysics have diverged somewhat. But for the air showers in the GeV and TeV energy ranges, the ground-based detector techniques have considerable overlaps. VHE…

High Energy Astrophysical Phenomena · Physics 2023-04-05 Michael A. DuVernois , Giuseppe Di Sciascio

A search for TeV gamma-ray emission from SNRs, pulsars and unidentified GeV sources in the Galactic plane in the longitude range between -2 deg and 85 deg

Using the HEGRA system of imaging atmospheric Cherenkov telescopes, one quarter of the Galactic plane (-2 deg < l < 85 deg) was surveyed for TeV gamma-ray emission from point sources and moderately extended sources (diameter <= 0.8 deg).…

Astrophysics · Physics 2010-01-28 HEGRA-Collaboration , F. A. Aharonian

Highlights from the High Altitude Water Cherenkov Observatory

The High Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory was completed this year at a 4100-meter site on the flank of the Sierra Negra volcano in Mexico. HAWC is a water Cherenkov ground array with the capability to distinguish 100…

High Energy Astrophysical Phenomena · Physics 2019-08-13 John Pretz

Surveys with the Cherenkov Telescope Array

Surveys open up unbiased discovery space and generate legacy datasets of long-lasting value. One of the goals of imaging arrays of Cherenkov telescopes like CTA is to survey areas of the sky for faint very high energy gamma-ray (VHE)…

High Energy Astrophysical Phenomena · Physics 2019-08-14 G. Dubus , J. L. Contreras , S. Funk , Y. Gallant , T. Hassan , J. Hinton , Y. Inoue , J. Knödlseder , P. Martin , N. Mirabal , M. de Naurois , M. Renaud

First Study of Combined Blazar Light Curves with FACT and HAWC

For studying variable sources like blazars, it is crucial to achieve unbiased monitoring, either with dedicated telescopes in pointing mode or survey instruments. At TeV energies, the High Altitude Water Cherenkov (HAWC) observatory…

High Energy Astrophysical Phenomena · Physics 2017-08-09 Daniela Dorner , Robert J. Lauer , : , Jan Adam , Max Ahnen , Dominik Baack , Matteo Balbo , Matthias Bergmann , Adrian Biland , Michael Blank , Thomas Bretz , Kai Brügge , Jens Buss , Anton Dmytiiev , Sabrina Einecke , Christina Hempfling , Dorothee Hildebrand , Gareth Hughes , Lena Linhoff , Karl Mannheim , Sebastian Müller , Dominik Neise , Andrii Neronov , Maximilian Noethe , Aleksander Paravac , Felicitas Pauss , Wolfgang Rhode , Amit Shukla , Fabian Temme , Julia Thaele , Roland Walter

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

An optimized search for dark matter in the galactic halo with HAWC

The Galactic Halo is a key target for indirect dark matter detection. The High Altitude Water Cherenkov (HAWC) observatory is a high-energy (~300 GeV to >100 TeV) gamma-ray detector located in central Mexico. HAWC operates via the water…

High Energy Astrophysical Phenomena · Physics 2023-05-19 A. Albert , R. Alfaro , C. Alvarez , J. C. Arteaga-Velazquez , D. Avila Rojas , H. A. Ayala Solares , E. Belmont-Moreno , K. S. Caballero-Mora , T. Capistran , A. Carraminana , S. Casanova , O. Chaparro-Amaro , U. Cotti , J. Cotzomi , E. De la Fuente , R. Diaz Hernandez , B. L. Dingus , M. A. DuVernois , M. Durocher , J. C. Dıaz-Velez , C. Espinoza , K. L. Fan , N. Fraija , J. A. Garcıa-Gonzalez , F. Garfias , M. M. Gonzalez , J. A. Goodman , J. P. Harding , D. Huang , F. Hueyotl-Zahuantitla , A. Iriarte , V. Joshi , G. J. Kunde , J. Lee , H. Leon Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis-Raya , J. Lundeen , K. Malone , O. Martinez , J. Martınez-Castro , J. A. Matthews , E. Moreno , M. Mostafa , A. Nayerhoda , L. Nellen , A. Peisker , E. G. Perez-Perez , C. D. Rho , D. Rosa-Gonzalez , H. Salazar , D. Salazar-Gallegos , A. Sandoval , J. Serna-Franco , R. W. Springer , O. Tibolla , K. Tollefson , I. Torres , R. Torres-Escobedo , R. Turner , F. Urena-Mena , L. Villasenor , X. Wang , H. Zhou , C. de Leon

Searching for Very High Energy Emission from Pulsars Using the High Altitude Water Cherenkov (HAWC) Observatory

There are currently over 160 known gamma-ray pulsars. While most of them are detected only from space, at least two are now seen also from the ground. MAGIC and VERITAS have measured the gamma ray pulsed emission of the Crab pulsar up to…

High Energy Astrophysical Phenomena · Physics 2019-08-13 C. Alvarez Ochoa , P. M. Saz Parkinson , A. Belfiore , A. Carramiñana , C. Rivière , E. Moreno Barbosa

TeV gamma-ray survey of the Northern sky using the ARGO-YBJ detector

The ARGO-YBJ detector is an extensive air shower array that has been used to monitor the northern $\gamma$-ray sky at energies above 0.3 TeV from 2007 November to 2013 January. In this paper, we present the results of a sky survey in the…

High Energy Astrophysical Phenomena · Physics 2013-11-26 YBJ Collaboration , B. Bartoli , P. Bernardini , X. J. Bi , I. Bolognino , P. Branchini , A. Budano , A. K. Calabrese Melcarne , P. Camarri , Z. Cao , R. Cardarelli , S. Catalanotti , S. Z. Chen , T. L. Chen , Y. Chen , P. Creti , S. W. Cui , B. Z. Dai , A. DAmone , Danzengluobu , I. De Mitri , B. DEttorre Piazzoli , T. Di Girolamo , X. H. Ding , G. Di Sciascio , C. F. Feng , Zhaoyang Feng , Zhenyong Feng , Q. B. Gou , Y. Q. Guo , H. H. He , Haibing Hu , Hongbo Hu , Q. Huang , M. Iacovacci , R. Iuppa , H. Y. Jia , Labaciren , H. J. Li , J. Y. Li , X. X. Li , G. Liguori , C. Liu , C. Q. Liu , J. Liu , M. Y. Liu , H. Lu , L. L. Ma , X. H. Ma , G. Mancarella , S. M. Mari , G. Marsella , D. Martello , S. Mastroianni , P. Montini , C. C. Ning , M. Panareo , B. Panico , L. Perrone , P. Pistilli , F. Ruggieri , P. Salvini , R. Santonico , S. N. Sbano , P. R. Shen , X. D. Sheng , F. Shi , A. Surdo , Y. H. Tan , P. Vallania , S. Vernetto , C. Vigorito , B. Wang , H. Wang , C. Y. Wu , H. R. Wu , B. Xu , L. Xue , Q. Y. Yang , X. C. Yang , Z. G. Yao , A. F. Yuan , M. Zha , H. M. Zhang , Jilong Zhang , Jianli Zhang , L. Zhang , P. Zhang , X. Y. Zhang , Y. Zhang , J. Zhao , Zhaxiciren , Zhaxisangzhu , X. X. Zhou , F. R. Zhu , Q. Q. Zhu , G. Zizzi

HAWC: A Next Generation All-Sky VHE Gamma-Ray Telescope

The study of the universe at energies above 100 GeV is a relatively new and exciting field. The current generation of pointed instruments have detected TeV gamma rays from at least 10 sources and the next generation of detectors promises a…

Astrophysics · Physics 2016-11-09 G. Sinnis , A. Smith , J. E. McEnery

TeV Gamma-Ray Sources from a Survey of the Galactic Plane with Milagro

A survey of Galactic gamma-ray sources at a median energy of ~20 TeV has been performed using the Milagro Gamma Ray Observatory. Eight candidate sources of TeV emission are detected with pre-trials significance $>4.5\sigma$ in the region of…

Astrophysics · Physics 2009-06-23 A. A. Abdo , B. Allen , D. Berley , S. Casanova , C. Chen , D. G. Coyne , B. L. Dingus , R. W. Ellsworth , L. Fleysher , R. Fleysher , M. M. Gonzalez , J. A. Goodman , E. Hays , C. M. Hoffman , B. Hopper , P. H. Huntemeyer , B. E. Kolterman , C. P. Lansdell , J. T. Linnemann , J. E. McEnery , A. I. Mincer , P. Nemethy , D. Noyes , J. M. Ryan , P. M. Saz Parkinson , A. Shoup , G. Sinnis , A. J. Smith , G. W. Sullivan , V. Vasileiou , G. P. Walker , D. A. Williams , X. W. Xu , G. B. Yodh