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[7.16] Observations of the Unidentified Gamma-ray Source TEV 2032+413 with the Whipple 10 meter Telescope.

J. P. Finley (Purdue University), VERITAS Collaboration

The HEGRA Collaboration reported the detection of a serendipitous gamma-ray source above 1 TeV during observations they carried out between 1999-2001 of the Cygnus region. The source, designated TEV 2032+413, has a hard spectrum (photon index of -1.9) and may be extended (size approximately 5.6'). The flux from the putative source is approximately 3% of the Crab nebula flux, the standard candle of ground-based gamma ray astronomy. The source is positionally coincident with the core of the Cyg OB2 association and may represent a new class of source in the TeV sky but, as yet, no counterpart at another wavelength can be firmly established. We will report on the results of a campaign carried out during the 2003 observing season by the VERITAS collaboration utilizing the Whipple 10 meter air cherenkov telescope. The results of the campaign will be compared with the HEGRA detection and the nature of this unidentified source will be discussed.

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Bulletin of the American Astronomical Society, 35#5
© 2003. The American Astronomical Soceity.