Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aspc..426...19g&link_type=abstract
Proceedings of the 2009 Snowbird Particle Astrophysics and Cosmology Workshop (SNOWPAC 2009), proceedings of a workshop held 1-7
Astronomy and Astrophysics
Astrophysics
1
Scientific paper
The High Altitude Water Cherenkov (HAWC) gamma-ray observatory will be a wide field of view, continuously operated, TeV gamma-ray observatory. HAWC is a natural extension of Milagro, which has demonstrated the ability to detect, at TeV energies many of the galactic sources which have been observed by the Fermi LAT in the GeV energy range. Since Milagro was a first generation detector constructed in a preexisting reservoir at a relatively low elevation (2640m), what Fermi was able to see in several months took Milagro ˜5 years to see. HAWC will be constructed as a joint Mexican-US collaboration on the Sierra Negra Mountain in Mexico at an elevation of 4100m. The design of HAWC was optimized using the lessons learned from Milagro and will be ˜15 times more sensitive than Milagro when completed. This improvement in sensitivity will allow HAWC to measure or constrain the TeV spectra of most of the Fermi discovered GeV sources. In addition, above 100 GeV HAWC will be more sensitive than the Fermi and be the only ground-based instrument capable of detecting prompt emission from gamma-ray bursts in this energy regime.
Goodman Jordan A.
HAWC Collaboration
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