Tev gamma-ray observations of the galactic center
- Kosack, K.
- Badran, H. M.
- Bond, I. H.
- Boyle, P. J.
- Bradbury, S. M.
- Buckley, J. H.
- Carter-Lewis, D. A.
- Celik, O.
- Connaughton, V.
- Cui, W.
- Daniel, M.
- D'Vali, M.
- de la Calle Perez, I.
- Duke, C.
- Falcone, A.
- Fegan, D. J.
- Fegan, S. J.
- Finley, J. P.
- Fortson, L. F.
- Gaidos, J. A.
- Gammell, S.
- Gibbs, K.
- Gillanders, G. H.
- Grube, J.
- Gutierrez, K.
- Hall, J.
- Hall, T. A.
- Hanna, D.
- Hillas, A. M.
- Holder, J.
- Horan, D.
- Jarvis, A.
- Jordan, M.
- Kenny, G. E.
- Kertzman, M.
- Kieda, D.
- Kildea, J.
- Knapp, J.
- Krawczynski, H.
- Krennrich, F.
- Lang, M. J.
- Le Bohec, S.
- Linton, E.
- Lloyd-Evans, J.
- Milovanovic, A.
- McEnery, J.
- Moriarty, P.
- Muller, D.
- Nagai, T.
- Nolan, S.
- Ong, R. A.
- Pallassini, R.
- Petry, D.
- Power-Mooney, B.
- Quinn, J.
- Quinn, M.
- Ragan, K.
- Rebillot, P.
- Reynolds, P. T.
- Rose, H. J.
- Schroedter, M.
- Sembroski, G. H.
- Swordy, S. P.
- Syson, A.
- Vassiliev, V. V.
- Wakely, S. P.
- Walker, G.
- Weekes, T. C.
- Zweerink, J.
DOIAbstract
We report a possible detection of TeV gamma rays from the Galactic center by the Whipple 10 m gamma-ray telescope. Twenty-six hours of data were taken over an extended period from 1995 through 2003 resulting in a total significance of 3.7 sigma. The measured excess corresponds to an integral flux of 1.6 x 10(-8) +/- 0.5 x 10(-8) (stat) +/- 0.3 x 10(-8) (sys) photons m(-2) s(-1) above an energy of 2.8 TeV, roughly 40% of the flux from the Crab Nebula at this energy. The 95% confidence region has an angular extent of about 15' and includes the position of Sgr A*. The detection is consistent with a point source and shows no evidence of variability
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