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Absence of TeV halos around millisecond pulsars
A. U. Abeysekara, R. Alfaro, C. Alvarez +82
TeV halos are extended very-high-energy (VHE; 0.1-100 TeV) gamma-ray emission around middle-aged pulsars. So far they have only been found around isolated pulsars, but it has been…
Long-term spectra of the blazars Mrk 421 and Mrk 501 at TeV energies seen by HAWC
A. Albert, R. Alfaro, C. Alvarez +75
The High Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory surveys the very high energy sky in the 300 GeV to TeV energy range. HAWC has detected two blazars above …
Calibration of the Surface Array of the Pierre Auger Observatory
X. Bertou, P. S. Allison, C. Bonifazi +23
The Pierre Auger Observatory is designed to study cosmic rays of the highest energies ( eV). The ground array of the Observatory will consist of 1600 water Cherenkov dete…
HAWC observations of the acceleration of very-high-energy cosmic rays in the Cygnus Cocoon
A. U. Abeysekara, A. Albert, R. Alfaro +98
Cosmic rays with energies up to a few PeV are known to be accelerated within the Milky Way. Traditionally, it has been presumed that supernova remnants were the main source of very…
Spectrum and Morphology of the Very-High-Energy Source HAWC J2019+368
HAWC Collaboration, A. Albert, R. Alfaro +80
The MGRO J2019+37 region is one of the brightest sources in the sky at TeV energies. It was detected in the 2 year HAWC catalog as 2HWC J2019+367 and here we present a detailed stu…
HAWC Search for High-Mass Microquasars
HAWC Collaboration, A. Albert, R. Alfaro +87
Microquasars with high-mass companion stars are promising very-high-energy (VHE; 0.1-100 TeV) gamma-ray emitters, but their behaviors above 10 TeV are poorly known. Using the High…