Search Results - "Weekes, T. C."

Multiwavelength Observations of Markarian 421 in 2001 March: An Unprecedented View on the X-Ray/TeV Correlated Variability by Fossati, G, Buckley, J. H, Bond, I. H, Bradbury, S. M, Carter-Lewis, D. A, Chow, Y. C. K, Cui, W, Falcone, A. D, Finley, J. P, Gaidos, J. A, Grube, J, Holder, J, Horan, D, Horns, D, Jordan, M. M, Kieda, D. B, Kildea, J, Krawczynski, H, Krennrich, F, Lang, M. J, LeBohec, S, Lee, K, Moriarty, P, Ong, R. A, Petry, D, Quinn, J, Sembroski, G. H, Wakely, S. P, Weekes, T. C

“…We present a detailed analysis of week-long simultaneous observations of the blazar Mrk 421 at 2-60 keV X-rays (RXTE) and TeV -rays (Whipple and HEGRA) in…”
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The Spectrum of TeV Gamma Rays from the Crab Nebula by Hillas, A. M, Akerlof, C. W, Biller, S. D, Buckley, J. H, Carter-Lewis, D. A, Catanese, M, Cawley, M. F, Fegan, D. J, Finley, J. P, Gaidos, J. A, Krennrich, F, Lamb, R. C, Lang, M. J, Mohanty, G, Punch, M, Reynolds, P. T, Rodgers, A. J, Rose, H. J, Rovero, A. C, Schubnell, M. S, Sembroski, G. H, Vacanti, G, Weekes, T. C, West, M, Zweerink, J

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Extremely rapid bursts of TeV photons from the active galaxy Markarian 421 by Gaidos, J. A, Akerlof, C. W, Biller, S, Boyle, P. J, Breslin, A. C, Buckley, J. H, Carter-Lewis, D. A, Catanese, M, Cawley, M. F, Fegan, D. J, Finley, J. P, Gordo, J. Bussöns, Hillas, A. M, Krennrich, F, Lamb, R. C, Lessard, R. W, McEnery, J. E, Masterson, C, Mohanty, G, Moriarty, P, Quinn, J, Rodgers, A. J, Rose, H. J, Samuelson, F, Schubnell, M. S, Sembroski, G. H, Srinivasan, R, Weekes, T. C, Wilson, C. L, Zweerink, J

“…The observation of two dramatic outbursts of TeV photons from the active galaxy Markarian 421 is reported. The data suggest that the emission region is…”
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Multiwavelength Observations of a Flare from Markarian 501 by Catanese, M, Bradbury, S. M, Breslin, A. C, Buckley, J. H, Carter-Lewis, D. A, Cawley, M. F, Dermer, C. D, Fegan, D. J, Finley, J. P, Gaidos, J. A, Hillas, A. M, Johnson, W. N, Krennrich, F, Lamb, R. C, Lessard, R. W, Macomb, D. J, McEnery, J. E, Moriarty, P, Quinn, J, Rodgers, A. J, Rose, H. J, Samuelson, F. W, Sembroski, G. H, Srinivasan, R, Weekes, T. C, Zweerink, J

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Limits to Quantum Gravity Effects on Energy Dependence of the Speed of Light from Observations of TeV Flares in Active Galaxies by Biller, S. D., Breslin, A. C., Buckley, J., Catanese, M., Carson, M., Carter-Lewis, D. A., Cawley, M. F., Fegan, D. J., Finley, J. P., Gaidos, J. A., Hillas, A. M., Krennrich, F., Lamb, R. C., Lessard, R., Masterson, C., McEnery, J. E., McKernan, B., Moriarty, P., Quinn, J., Rose, H. J., Samuelson, F., Sembroski, G., Skelton, P., Weekes, T. C.

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A connection between star formation activity and cosmic rays in the starburst galaxy M82 by Acciari, V A, Aliu, E, Arlen, T, Aune, T, Bautista, M, Beilicke, M, Benbow, W, Boltuch, D, Bradbury, S M, Buckley, J H, Bugaev, V, Byrum, K, Cannon, A, Celik, O, Cesarini, A, Chow, Y C, Ciupik, L, Cogan, P, Colin, P, Cui, W, Dickherber, R, Duke, C, Fegan, S J, Finley, J P, Finnegan, G, tin, P, tson, L, Furniss, A, Galante, N, Gall, D, Gibbs, K, Gillanders, G H, Godambe, S, Grube, J, Guenette, R, Gyuk, G, Hanna, D, Holder, J, Horan, D, Hui, C M, Humensky, T B, Imran, A, Kaaret, P, Karlsson, N, Kertzman, M, Kieda, D, Kildea, J, Konopelko, A, Krawczynski, H, Krennrich, F, Lang, MJ, LeBohec, S, Maier, G, McArthur, S, McCann, A, McCutcheon, M, Millis, J, Moriarty, P, Mukherjee, R, Nagai, T, Ong, R A, Otte, AN, Pandel, D, Perkins, J S, Pizlo, F, Pohl, M, Quinn, J, Ragan, K, Reyes, L C, Reynolds, P T, Roache, E, Rose, HJ, Schroedter, M, Sembroski, G H, Smith, A W, Steele, D, Swordy, S P, Theiling, M, Thibadeau, S, Varlotta, A, Vassiliev, V V, Vincent, S, Wagner, R G, Wakely, S P, Ward, JE, Weekes, T C, Weinstein, A, Weisgarber, T, Williams, DA, Wissel, S, Wood, M, Zitzer, B

“…Although Galactic cosmic rays (protons and nuclei) are widely believed to be mainly accelerated by the winds and supernovae of massive stars, definitive…”
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Detection of TeV photons from the active galaxy Markarian 421 by Punch, M., Akerlof, C. W., Cawley, M. F., Chantell, M., Fegan, D. J., Fennell, S., Gaidos, J. A., Hagan, J., Hillas, A. M., Jiang, Y.

“…The detection of TeV energy photons from the giant elliptical galaxy Markarian 421 using the Whipple Observatory gamma-ray telescope is reported. The signal…”
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Discovery of Spectral Variability of Markarian 421 at TeV Energies by Krennrich, F, Bond, I. H, Bradbury, S. M, Buckley, J. H, Carter-Lewis, D. A, Cui, W, de la Calle Perez, I, Fegan, D. J, Fegan, S. J, Finley, J. P, Gaidos, J. A, Gibbs, K, Gillanders, G. H, Hall, T. A, Hillas, A. M, Holder, J, Horan, D, Jordan, M, Kertzman, M, Kieda, D, Kildea, J, Knapp, J, Kosack, K, Lang, M. J, LeBohec, S, Moriarty, P, Müller, D, Ong, R. A, Pallassini, R, Petry, D, Quinn, J, Reay, N. W, Reynolds, P. T, Rose, H. J, Sembroski, G. H, Sidwell, R, Stanton, N, Swordy, S. P, Vassiliev, V. V, Wakely, S. P, Weekes, T. C

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OBSERVATIONS OF THE UNIDENTIFIED GAMMA-RAY SOURCE TeV J2032+4130 BY VERITAS by Aliu, E, Aune, T, Behera, B, BEILICKE, M, Benbow, W, Berger, K, Bird, R, Buckley, J H, Bugaev, V, CARDENZANA, J V

“…TeV J2032+4130 was the first unidentified source discovered at very high energies (VHEs; E > 100 GeV), with no obvious counterpart in any other wavelength. It…”
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Detection of the BL Lacertae Object H1426+428 at TeV Gamma-Ray Energies by Horan, D, Badran, H. M, Bond, I. H, Bradbury, S. M, Buckley, J. H, Carson, M. J, Carter-Lewis, D. A, Catanese, M, Cui, W, Dunlea, S, Das, D, de la Calle Perez, I, D’Vali, M, Fegan, D. J, Fegan, S. J, Finley, J. P, Gaidos, J. A, Gibbs, K, Gillanders, G. H, Hall, T. A, Hillas, A. M, Holder, J, Jordan, M, Kertzman, M, Kieda, D, Kildea, J, Knapp, J, Kosack, K, Krennrich, F, Lang, M. J, LeBohec, S, Lessard, R, Lloyd-Evans, J, McKernan, B, Moriarty, P, Muller, D, Ong, R, Pallassini, R, Petry, D, Quinn, J, Reay, N. W, Reynolds, P. T, Rose, H. J, Sembroski, G. H, Sidwell, R, Stanton, N, Swordy, S. P, Vassiliev, V. V, Wakely, S. P, Weekes, T. C

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Observation of Extended Very High Energy Emission from the Supernova Remnant IC 443 with VERITAS by Acciari, V. A, Aliu, E, Arlen, T, Aune, T, Bautista, M, Beilicke, M, Benbow, W, Bradbury, S. M, Buckley, J. H, Bugaev, V, Butt, Y, Byrum, K, Cannon, A, Celik, O, Cesarini, A, Chow, Y. C, Ciupik, L, Cogan, P, Colin, P, Cui, W, Daniel, M. K, Dickherber, R, Duke, C, Dwarkadas, V. V, Ergin, T, Fegan, S. J, Finley, J. P, Finnegan, G, Fortin, P, Fortson, L, Furniss, A, Gall, D, Gibbs, K, Gillanders, G. H, Godambe, S, Grube, J, Guenette, R, Gyuk, G, Hanna, D, Hays, E, Holder, J, Horan, D, Hui, C. M, Humensky, T. B, Imran, A, Kaaret, P, Karlsson, N, Kertzman, M, Kieda, D, Kildea, J, Konopelko, A, Krawczynski, H, Krennrich, F, Lang, M. J, LeBohec, S, Maier, G, McCann, A, McCutcheon, M, Millis, J, Moriarty, P, Ong, R. A, Otte, A. N, Pandel, D, Perkins, J. S, Pohl, M, Quinn, J, Ragan, K, Reyes, L. C, Reynolds, P. T, Roache, E, Rose, H. J, Schroedter, M, Sembroski, G. H, Smith, A. W, Steele, D, Swordy, S. P, Theiling, M, Toner, J. A, Valcarcel, L, Varlotta, A, Vassiliev, V. V, Vincent, S, Wagner, R. G, Wakely, S. P, Ward, J. E, Weekes, T. C, Weinstein, A, Weisgarber, T, Williams, D. A, Wissel, S, Wood, M, Zitzer, B

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Gamma-Ray Variability of the BL Lacertae Object Markarian 421 by Buckley, J. H, Akerlof, C. W, Biller, S, Carter-Lewis, D. A, Catanese, M, Cawley, M. F, Connaughton, V, Fegan, D. J, Finley, J. P, Gaidos, J, Hillas, A. M, Kartje, J. F, Königl, A, Krennrich, F, Lamb, R. C, Lessard, R, Macomb, D. J, Mattox, J. R, McEnery, J. E, Mohanty, G, Quinn, J, Rodgers, A. J, Rose, H. J, Schubnel, M. S, Sembroski, G. L, Smith, P. S, Weekes, T. C, Wilson, C, Zweerink, J

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Discovery of Gamma-Ray Emission above 350 GeV from the BL Lacertae Object 1ES 2344+514 by Catanese, M, Akerlof, C. W, Badran, H. M, Biller, S. D, Bond, I. H, Boyle, P. J, Bradbury, S. M, Buckley, J. H, Burdett, A. M, Gordo, J. Bussóns, Carter-Lewis, D. A, Cawley, M. F, Connaughton, V, Fegan, D. J, Finley, J. P, Gaidos, J. A, Hall, T, Hillas, A. M, Krennrich, F, Lamb, R. C, Lessard, R. W, Masterson, C, McEnery, J. E, Mohanty, G, Quinn, J, Rodgers, A. J, Rose, H. J, Samuelson, F. W, Schubnell, M. S, Sembroski, G. H, Srinivasan, R, Weekes, T. C, Wilson, C. W, Zweerink, J

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A Very High Energy Gamma-Ray Spectrum of 1ES 2344+514 by Schroedter, M, Badran, H. M, Buckley, J. H, Bussons Gordo, J, Carter-Lewis, D. A, Duke, C, Fegan, D. J, Fegan, S. F, Finley, J. P, Gillanders, G. H, Grube, J, Horan, D, Kenny, G. E, Kertzman, M, Kosack, K, Krennrich, F, Kieda, D. B, Kildea, J, Lang, M. J, Lee, Kuen, Moriarty, P, Quinn, J, Quinn, M, Power-Mooney, B, Sembroski, G. H, Wakely, S. P, Vassiliev, V. V, Weekes, T. C, Zweerink, J

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Gamma rays and energetic particles from primordial black holes by Halzen, F., Zas, E., Macgibbon, J. H., Weekes, T. C.

“…The standard model of quarks and leptons is used to discuss the signatures of black-hole evaporations. A firm bound on the primordial black hole abundance is…”
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Simultaneous X-Ray and TeV Observations of a Rapid Flare from Markarian 421 by Maraschi, L, Fossati, G, Tavecchio, F, Chiappetti, L, Celotti, A, Ghisellini, G, Grandi, P, Pian, E, Tagliaferri, G, Treves, A, Breslin, A. C, Buckley, J. H, Carter-Lewis, D. A, Catanese, M, Cawley, M. F, Fegan, D. J, Fegan, S, Finley, J, Gaidos, J, Hall, T, Hillas, A. M, Krennrich, F, Lessard, R. W, Masterson, C, Moriarty, P, Quinn, J, Rose, J, Samuelson, F, Weekes, T. C, Urry, C. M, Takahashi, T

“…Mrk 421 was observed for about 2 days with BeppoSAX in 1998 April as part of a worldwide multiwavelength campaign. A large, well-defined flare was observed in…”
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Observations of the Shell-type Supernova Remnant Cassiopeia A at TeV Energies with VERITAS by Acciari, V. A, Aliu, E, Arlen, T, Aune, T, Bautista, M, Beilicke, M, Benbow, W, Boltuch, D, Bradbury, S. M, Buckley, J. H, Bugaev, V, Butt, Y, Byrum, K, Cannon, A, Cesarini, A, Chow, Y. C, Ciupik, L, Cogan, P, Cui, W, Dickherber, R, Duke, C, Ergin, T, Fegan, S. J, Finley, J. P, Finnegan, G, Fortin, P, Fortson, L, Furniss, A, Galante, N, Gall, D, Gillanders, G. H, Grube, J, Guenette, R, Gyuk, G, Hanna, D, Holder, J, Huang, D, Hui, C. M, Humensky, T. B, Kaaret, P, Karlsson, N, Kertzman, M, Kieda, D, Konopelko, A, Krawczynski, H, Krennrich, F, Lang, M. J, LeBohec, S, Maier, G, McArthur, S, McCann, A, McCutcheon, M, Millis, J, Moriarty, P, Ong, R. A, Pandel, D, Perkins, J. S, Pohl, M, Quinn, J, Ragan, K, Reynolds, P. T, Roache, E, Rose, H. J, Schroedter, M, Sembroski, G. H, Smith, A. W, Smith, B. R, Steele, D, Swordy, S. P, Theiling, M, Thibadeau, S, Varlotta, A, Vassiliev, V. V, Vincent, S, Wagner, R. G, Wakely, S. P, Ward, J. E, Weekes, T. C, Weinstein, A, Weisgarber, T, Wissel, S, Wood, M

“…We report on observations of very high energy {gamma} rays from the shell-type supernova remnant (SNR) Cassiopeia A with the Very Energetic Radiation Imaging…”
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Detection of Extended VHE Gamma Ray Emission from G106.3+2.7 with Veritas by Acciari, V. A, Aliu, E, Arlen, T, Aune, T, Bautista, M, Beilicke, M, Benbow, W, Boltuch, D, Bradbury, S. M, Buckley, J. H, Bugaev, V, Butt, Y, Byrum, K, Cannon, A, Cesarini, A, Chow, Y. C, Ciupik, L, Cogan, P, Cui, W, Dickherber, R, Ergin, T, Fegan, S. J, Finley, J. P, Fortin, P, Fortson, L, Furniss, A, Gall, D, Gillanders, G. H, Gotthelf, E. V, Grube, J, Guenette, R, Gyuk, G, Hanna, D, Holder, J, Horan, D, Hui, C. M, Humensky, T. B, Kaaret, P, Karlsson, N, Kertzman, M, Kieda, D, Konopelko, A, Krawczynski, H, Krennrich, F, Lang, M. J, LeBohec, S, Maier, G, McCann, A, McCutcheon, M, Millis, J, Moriarty, P, Mukherjee, R, Ong, R. A, Otte, A. N, Pandel, D, Perkins, J. S, Pohl, M, Quinn, J, Ragan, K, Reyes, L. C, Reynolds, P. T, Roache, E, Rose, H. J, Schroedter, M, Sembroski, G. H, Smith, A. W, Steele, D, Swordy, S. P, Theiling, M, Toner, J. A, Vassiliev, V. V, Vincent, S, Wagner, R. G, Wakely, S. P, Ward, J. E, Weekes, T. C, Weinstein, A, Weisgarber, T, Williams, D. A, Wissel, S, Wood, M, Zitzer, B

“…We report the detection of very-high-energy (VHE) gamma-ray emission from supernova remnant (SNR) G106.3+2.7. Observations performed in 2008 with the VERITAS…”
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Veritas Observations of a Very High Energy γ-Ray Flare From the Blazar 3C 66A by Acciari, V. A, Aliu, E, Arlen, T, Beilicke, M, Benbow, W, Böttcher, M, Bradbury, S. M, Buckley, J. H, Bugaev, V, Butt, Y, Byrum, K, Cannon, A, Celik, O, Cesarini, A, Chow, Y. C, Ciupik, L, Cogan, P, Cui, W, Daniel, M. K, Dickherber, R, Ergin, T, Falcone, A, Fegan, S. J, Finley, J. P, Fortin, P, Fortson, L, Furniss, A, Gall, D, Gibbs, K, Gillanders, G. H, Godambe, S, Grube, J, Guenette, R, Gyuk, G, Hanna, D, Hays, E, Holder, J, Horan, D, Hui, C. M, Humensky, T. B, Imran, A, Kaaret, P, Karlsson, N, Kertzman, M, Kieda, D, Kildea, J, Konopelko, A, Krawczynski, H, Krennrich, F, Lang, M. J, LeBohec, S, Maier, G, McCann, A, McCutcheon, M, Millis, J, Moriarty, P, Mukherjee, R, Nagai, T, Ong, R. A, Otte, A. N, Pandel, D, Perkins, J. S, Petry, D, Pizlo, F, Pohl, M, Quinn, J, Ragan, K, Reyes, L. C, Reynolds, P. T, Roache, E, Rose, H. J, Schroedter, M, Sembroski, G. H, Smith, A. W, Steele, D, Swordy, S. P, Theiling, M, Toner, J. A, Varlotta, A, Vassiliev, V. V, Wagner, R. G, Wakely, S. P, Ward, J. E, Weekes, T. C, Weinstein, A, Williams, D. A, Wissel, S, Wood, M, Zitzer, B

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Observation of Gamma-Ray Emission from the Galaxy M87 above 250 GeV with VERITAS by Acciari, V. A, Beilicke, M, Blaylock, G, Bradbury, S. M, Buckley, J. H, Bugaev, V, Butt, Y, Celik, O, Cesarini, A, Ciupik, L, Cogan, P, Colin, P, Cui, W, Daniel, M. K, Duke, C, Ergin, T, Falcone, A. D, Fegan, S. J, Finley, J. P, Finnegan, G, Fortin, P, Fortson, L. F, Gibbs, K, Gillanders, G. H, Grube, J, Guenette, R, Gyuk, G, Hanna, D, Hays, E, Holder, J, Horan, D, Hughes, S. B, Hui, M. C, Humensky, T. B, Imran, A, Kaaret, P, Kertzman, M, Kieda, D. B, Kildea, J, Konopelko, A, Krawczynski, H, Krennrich, F, Lang, M. J, LeBohec, S, Lee, K, Maier, G, McCann, A, McCutcheon, M, Millis, J, Moriarty, P, Mukherjee, R, Nagai, T, Ong, R. A, Pandel, D, Perkins, J. S, Pohl, M, Quinn, J, Ragan, K, Reynolds, P. T, Rose, H. J, Schroedter, M, Sembroski, G. H, Smith, A. W, Steele, D, Swordy, S. P, Syson, A, Toner, J. A, Valcarcel, L, Vassiliev, V. V, Wakely, S. P, Ward, J. E, Weekes, T. C, Weinstein, A, White, R. J, Williams, D. A, Wissel, S. A, Wood, M. D, Zitzer, B

“…The multiwavelength observation of the nearby radio galaxy M87 provides a unique opportunity to study in detail processes occurring in active galactic nuclei…”
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