Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010head...11.4701b&link_type=abstract
American Astronomical Society, HEAD meeting #11, #47.01; Bulletin of the American Astronomical Society, Vol. 41, p.738
Astronomy and Astrophysics
Astronomy
1
Scientific paper
We report on recent discoveries by the VERITAS gamma-ray experiment. The VERITAS observatory consists of an array of four atmospheric Cherenkov telescopes for gamma-ray observations at energies above 100 GeV. Located in southern Arizona, VERITAS is currently the most sensitive VHE gamma-ray observatory in the northern hemisphere. After two and a half years of operation, VERITAS has discovered emission from six different classes of sources including: shell-type supernova remnants, pulsar wind nebulae, blazars, an X-ray binary system, and a starburst galaxy. We present recent highlights including resolved emission from supernova remnants that indicate the presence of hadronic cosmic rays, the first detection of high-energy gamma-ray emission from the starburst galaxy M82, correlated radio-gamma-ray emission from M87 that points to emission very near the central engine, discovery of evidence for external Compton gamma-rays from IBLs and LBLs, as well as the detection of a number of new blazars, including two objects with redshifts z>0.3.
Buckley James H.
VERITAS Collaboration
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