Observations of the BL Lac Object 3C 66A with STACEE

D.A. Bramel , J. Carson , C.E. Covault , P. Fortin , D.M. Gingrich , D.S. Hanna , A. Jarvis , J. Kildea

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T. Lindner R. Mukherjee C. Mueller R.A. Ong K. Ragan R.A. Scalzo D.A. Williams J. Zweerink

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classification 🌌 astro-ph

keywords sourcestaceebackgrounddataeventsexcesshoursobject

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We present the analysis and results of recent high-energy gamma-ray observations of the BL Lac object 3C 66A conducted with the Solar Tower Atmospheric Cherenkov Effect Experiment (STACEE). During the 2003-2004 observing season, STACEE extensively observed 3C 66A as part of a multiwavelength campaign on the source. A total of 33.7 hours of data was taken on the source, plus an equivalent-duration background observation. After cleaning the data set a total of 16.3 hours of live time remained, and a net on-source excess of 1134 events was seen against a background of 231742 events. At a significance of 2.2 standard deviations this excess is insufficient to claim a detection of 3C 66A, but is used to establish flux upper limits for the source.

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Observations of the BL Lac Object 3C 66A with STACEE

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