activity
20072025
most citedThe Fluorescence Detector of the Pierre Auger Observatory

380 citations · 3.8k across the 54 of their papers we have counts for

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Showing 2009Show all

9 papers · 1 filter

astro-ph.HE2009★ 5 cited

Highlight Talk: Recent Results from VERITAS

R. A. Ong, V. A. Acciari, T. Arlen +79

VERITAS is a state-of-the-art ground-based gamma-ray observatory that operates in the very high-energy (VHE) region of 100 GeV to 50 TeV. The observatory consists of an array of fo…

astro-ph.CO2009★ 78 cited

Discovery of very high energy gamma rays from PKS 1424+240 and multiwavelength constraints on its redshift

The VERITAS Collaboration, V. A. Acciari, The Fermi Collaboration +4

We report the first detection of very-high-energy (VHE) gamma-ray emission above 140 GeV from PKS 1424+240, a BL Lac object with an unknown redshift. The photon spectrum above 140…

astro-ph.HE2009★ 91 cited

Multiwavelength observations of a TeV-Flare from W Comae

VERITAS collaboration, V. A. Acciari, E. Aliu +167

We report results from an intensive multiwavelength campaign on the intermediate-frequency-peaked BL Lacertae object W Com (z=0.102) during a strong outburst of very high energy ga…

astro-ph.CO2009★ 6 cited

Highlights from the Whipple 10-m Blazar Monitoring Program

Ana Pichel

Approximately 25 blazars are know to emit VHE (E>100 GeV) gamma rays. Understanding these powerful objects requires long-term, intense, monitoring observations since they exhibit s…

astro-ph.IM2009★ 380 cited

The Fluorescence Detector of the Pierre Auger Observatory

The Pierre Auger Collaboration, J. Abraham, P. Abreu +515

The Pierre Auger Observatory is a hybrid detector for ultra-high energy cosmic rays. It combines a surface array to measure secondary particles at ground level together with a fluo…

astro-ph.HE2009★ 65 cited

Simultaneous Multiwavelength Observations of Markarian 421 During Outburst

The VERITAS Collaboration, I. de la Calle Perez, A. Ibarra +2

We report on the results of two coordinated multiwavelength campaigns that focused on the blazar Markarian 421 during its 2006 and 2008 outbursts. These campaigns obtained UV and X…