Peer-Reviewed Journal Details
Mandatory Fields
Fegan, SJ,Badran, HM,Bond, IH,Boyle, PJ,Bradbury, SM,Buckley, JH,Carter-Lewis, DA,Catanese, M,Celik, O,Cui, W,Daniel, M,D'Vali, M,Perez, IDC,Duke, C,Falcone, A,Fegan, DJ,Finley, JP,Fortson, LF,Gaidos, JA,Gammell, S,Gibbs, K,Gillanders, GH,Grube, J,Hall, J,Hall, TA,Hanna, D,Hillas, AM,Holder, J,Horan, D,Jarvis, A,Jordan, M,Kenny, GE,Kertzman, M,Kieda, D,Kildea, J,Knapp, J,Kosack, K,Krawczynski, H,Krennrich, F,Lang, MJ,Le Bohec, S,Lessard, RW,Linton, E,Lloyd-Evans, J,Milovanovic, A,McEnery, J,Moriarty, P,Mukherjee, R,Muller, D,Nagai, T,Nolan, S,Ong, RA,Pallassini, R,Petry, D,Power-Mooney, B,Quinn, J,Quinn, M,Ragan, K,Rebillot, P,Reynolds, PT,Rose, HJ,Schroedter, M,Sembroski, GH,Swordy, SP,Syson, A,Vassiliev, VV,Wakely, SP,Walker, G,Weekes, TC,Zweerink, J
2005
May
Astrophysical Journal
A survey of unidentified egret sources at very high energies
Published
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Optional Fields
galaxies : jets gamma rays : observations surveys GAMMA-RAY SOURCES SOURCE 3EG J2227+6122 X-RAY GALACTIC PLANE LS I+61-DEGREES-303 SUPERNOVA-REMNANTS GALAXY CLUSTERS SAX J0635+0533 TEV ENERGIES ERROR BOX
624
638
655
The Whipple Observatory 10 m γ-ray telescope has been used to survey the error boxes of EGRET unidentified sources in an attempt to find counterparts at energies of 350 GeV and above. Twenty-one unidentified sources detected by EGRET (more than 10% of the total number) have been included in this survey. In no case is a statistically significant signal found in the EGRET error box, which implies that, at least for this sample, the γ-ray spectra of these sources steepen between 100 MeV and 350 GeV. For each EGRET source location, we list candidate associations and derive upper limits on the integral γ-ray flux above 350 GeV.
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