Observations of the unidentified TeV γ-ray source TeV J2032+4130 with the whipple observatory 10 m telescope

A. Konopelko, R. W. Atkins, G. Blaylock, J. H. Buckley, Y. Butt, D. A. Carter-Lewis, O. Celik, P. Cogan, Y. C.K. Chow, W. Cui, C. Dowdall, T. Ergin, A. D. Falcone, D. J. Fegan, S. J. Fegan, J. P. Finley, P. Fortin, G. H. Gillanders, K. J. Gutierrez, J. HallD. Hanna, D. Horan, S. B. Hughes, T. B. Humensky, A. Imran, I. Jung, P. Kaaret, G. E. Kenny, M. Kertzman, D. B. Kieda, J. Kildea, J. Knapp, K. Kosack, H. Krawczynski, F. Krennrich, M. J. Lang, S. LeBohec, P. Moriarty, R. Mukherjee, T. Nagai, R. A. Ong, J. S. Perkins, M. Pohl, K. Ragan, P. T. Reynolds, H. J. Rose, G. H. Sembroski, M. Schrödter, A. W. Smith, D. Steele, A. Syson, S. P. Swordy, J. A. Toner, L. Valcarcel, V. V. Vassiliev, R. G. Wagner, S. P. Wakely, T. C. Weekes, R. J. White, D. A. Williams, B. Zitzer

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30 Scopus citations


We report on observations of the sky region around the unidentified TeV γ-ray source (TeV J2032+4130) carried out with the Whipple Observatory 10m atmospheric Cerenkov telescope for a total of 65.5 hr between 2003 and 2005. The standard two-dimensional analysis developed by the Whipple collaboration for a stand-alone telescope reveals an excess in the field of view at a pretrial significance level of 6.1 σ. The measured position of this excess is α = 20h32m27s, δ = 41°39′17″ (J2000.0). The estimated integral flux for this γ-ray source is about 8% of the Crab Nebula flux. The data are consistent with a pointlike source. Here we present a detailed description of the standard two-dimensional analysis technique used for the analysis of data taken with the Whipple Observatory 10 m telescope and the results for the TeV J2032+4130 campaign. We include a short discussion of the physical mechanisms that may be responsible for the observed γ-ray emission, based on possible association with known astrophysical objects, in particular, Cygnus OB2.

Original languageEnglish (US)
Pages (from-to)1062-1068
Number of pages7
JournalAstrophysical Journal
Issue number2 I
StatePublished - Apr 1 2007

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science


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