1. Very High Energy Observations of Gamma‐Ray Burst Locations with the Whipple Telescope
- Author
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M. Schroedter, P. Cogan, J. Grube, R. W. Atkins, Vladimir Vassiliev, Y. C. K. Chow, M. K. Daniel, Karen Byrum, Gernot Maier, P. Fortin, A. D. Falcone, David Kieda, S. P. Wakely, John Kildea, H. Krawczynski, I. de la Calle Perez, Stephan LeBohec, S. P. Swordy, Jeremy Perkins, H. J. Rose, R. A. Ong, J. H. Buckley, R. J. White, K. Ragan, S. J. Fegan, D. Steele, P. T. Reynolds, M. Kertzman, M. J. Lang, Lucy Fortson, S. B. Hughes, R. G. Wagner, G. H. Sembroski, Thomas Brian Humensky, J. Hall, Jamie Holder, S. M. Bradbury, D. J. Fegan, P. Moriarty, John L. Quinn, G. Blaylock, J. P. Finley, T. C. Weekes, K. J. Gutierrez, D. Horan, T. N. Nagai, D. Petry, G. H. Gillanders, Frank Krennrich, C. Dowdall, O. Celik, D. S. Hanna, D. A. Williams, G. E. Kenny, H. M. Badran, John Toner, Wei Cui, L. Valcarcel, and Mark N. Quinn
- Subjects
Physics ,gamma rays : bursts ,gamma rays : observations ,Astronomy & Astrophysics ,High energy ,Astrophysics::High Energy Astrophysical Phenomena ,Astrophysics (astro-ph) ,FOS: Physical sciences ,Astronomy and Astrophysics ,Astrophysics::Cosmology and Extragalactic Astrophysics ,Astrophysics ,Afterglow ,law.invention ,Telescope ,compton emission ,refreshed shocks ,external matter ,light-curve ,afterglows ,tev ,models ,flares ,discovery ,search ,Space and Planetary Science ,Observatory ,law ,Spectral energy distribution ,Blazar ,Gamma-ray burst ,Flare - Abstract
Gamma-ray burst (GRB) observations at very high energies (VHE, E > 100 GeV) can impose tight constraints on some GRB emission models. Many GRB afterglow models predict a VHE component similar to that seen in blazars and plerions, in which the GRB spectral energy distribution has a double-peaked shape extending into the VHE regime. VHE emission coincident with delayed X-ray flare emission has also been predicted. GRB follow-up observations have had high priority in the observing program at the Whipple 10m Gamma-ray Telescope and GRBs will continue to be high priority targets as the next generation observatory, VERITAS, comes on-line. Upper limits on the VHE emission, at late times (>~4 hours), from seven GRBs observed with the Whipple Telescope are reported here., Accepted for publication in the January 20, 2007 volume of the Astrophysical Journal, 655, 396
- Published
- 2007
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