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

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 Cerenkov Effect Experiment (STACEE). During the 2003-2004 observing season, STACEE extensively observed 3C 66A as part of a multiwavelength campaign...

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Bibliographic Details
Published in:The Astrophysical journal 2005-08, Vol.629 (1), p.108-114
Main Authors: Bramel, D. A, Carson, J, Covault, C. E, Fortin, P, Gingrich, D. M, Hanna, D. S, Jarvis, A, Kildea, J, Lindner, T, Mukherjee, R, Mueller, C, Ong, R. A, Ragan, K, Scalzo, R. A, Williams, D. A, Zweerink, J
Format: Article
Language:English
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Summary: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 Cerenkov 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 hr of data was taken on the source, plus an equivalent-duration background observation. After cleaning the data set a total of 16.3 hr of live time remained, and a net on-source excess of 1134 events was seen against a background of 231,742 events. At a significance of 2.2 s this excess is insufficient to claim a detection of 3C 66A but is used to establish flux upper limits for the source.
ISSN:0004-637X
1538-4357
DOI:10.1086/431294