Zobrazeno 1 - 10
of 144
pro vyhledávání: '"D. J. Fegan"'
Autor:
D. A. Carter-Lewis, H. M. Badran, Tony Hall, John L. Quinn, Julie McEnery, M. F. Cawley, J. P. Finley, S. D. Biller, H. J. Rose, T. C. Weekes, I. H. Bond, G. H. Sembroski, C. Masterson, Frank W. Samuelson, R. W. Lessard, Carl W. Akerlof, S. M. Bradbury, D. J. Fegan, G. Mohanty, Jeffrey Zweerink, A. J. Rodgers, M. Catanese, P. J. Boyle, Christian Wilson, Michael Schubnell, J. A. Gaidos, R. C. Lamb, J. Bussons Gordo, A. M. Hillas, J. H. Buckley, Valerie Connaughton, A. M. Burdett, Raghavan Srinivasan, F. Krennrich
We present the discovery of gamma-ray emission greater than 350 GeV from the BL Lacertae (BL Lac) object 1ES 2344 + 514 with the Whipple Observatory 10 m gamma-ray telescope. This is the third BL Lac object detected at very high energies (VHE, E > 30
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36b463ca5dbf41f3a6761a1ff6664f4b
https://ora.ox.ac.uk/objects/uuid:681a3c2a-f8c2-46d4-87d1-39532f80d89e
https://ora.ox.ac.uk/objects/uuid:681a3c2a-f8c2-46d4-87d1-39532f80d89e
Autor:
J. H. Buckley, R. W. Lessard, J. E. McEnery, J. Zweerink, H. J. Rose, D. J. Fegan, A. M. Burdett, G. H. Sembroski, S. D. Biller, John L. Quinn, Frank W. Samuelson, A. M. Hillas, D. A. Carter-Lewis, F. Krennrich, R. C. Lamb, J. A. Gaidos, A. J. Rodgers, J. P. Finley, T. C. Weekes, J. Bussons Gordo, G. Mohanty, P. Skelton
From considering the effect of γ γ interactions on recently observed TeV gamma-ray spectra, improved limits are set to the density of extragalactic infrared photons which are robust and essentially model independent. The resulting limits are more t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa806c79e70bf386de26636806223be1
https://doi.org/10.1103/physrevlett.80.2992
https://doi.org/10.1103/physrevlett.80.2992
Autor:
M. Buchovecky, Q. Feng, J. Grube, I. Telezhinsky, Jamie Holder, S. O'Brien, P. T. Reynolds, A. McCann, P. Fortin, Ralph Bird, Hugh Dickinson, Wystan Benbow, Anushka Udara Abeysekara, S. Archambault, Reshmi Mukherjee, A. Archer, D. Staszak, Martin Pohl, A. N. Otte, K. Meagher, S. McArthur, E. Pueschel, Maria Krause, O. M. Weiner, D. J. Fegan, Karen Byrum, J. D. Eisch, Abraham D. Falcone, Daniel Nieto, A. Weinstein, Karlen Shahinyan, S. Vincent, G. H. Gillanders, N. H. Park, D. S. Hanna, L. Ciupik, David A. Williams, N. Håkansson, Henrike Fleischhack, P. Kaaret, J. V. Cardenzana, J. V. Tucci, M. J. Lang, Moritz Hütten, Gernot Maier, John L. Quinn, N. Kelley-Hoskins, C. A. Johnson, K. Ragan, Geza Gyuk, Lucy Fortson, S. P. Wakely, R. A. Ong, David Kieda, F. Krennrich, Sinéad M. Griffin, J. Tyler, Matteo Cerruti, J. H. Buckley, Amy Furniss, Gordon T. Richards, E. Roache, P. Moriarty, J. P. Finley, G. Ratliff, Xuhui Chen, J. S. Perkins, Jodi Christiansen, T. B. Humensky, G. H. Sembroski, B. Zitzer, Manel Errando, S. Kumar, T. T.Y. Lin, A. Popkow, M. Kertzman, A. O'Faolain de Bhroithe, Wei Cui, A. Petrashyk, P. Kar, Marcos Santander
Publikováno v:
The astrophysical journal / 2 818(2), L33 (2016). doi:10.3847/2041-8205/818/2/L33
The astrophysical journal / 2 818(2), L33(2016). doi:10.3847/2041-8205/818/2/L33
The F-type star KIC 8462852 has recently been identified as an exceptional target for search for extraterrestrial intelligence (SETI) observations. We describe an a
The F-type star KIC 8462852 has recently been identified as an exceptional target for search for extraterrestrial intelligence (SETI) observations. We describe an a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e7a98e95157da53ba9eb5251b82ed951
http://hdl.handle.net/10379/10075
http://hdl.handle.net/10379/10075
Autor:
M. K. Daniel, F. Krennrich, A. Syson, L. Ciupik, S. P. Wakely, Abraham D. Falcone, F. Pizlo, G. H. Sembroski, Daniel Gall, R. A. Ong, H. Manseri, A. McCann, B. Zitzer, D. J. Fegan, S. J. Fegan, D. Steele, J. E. Ward, S. LeBohec, A. Cesarini, J. Hall, Y. C. K. Chow, S. M. Bradbury, Simon P. Swordy, M. Kertzman, John L. Quinn, D. Pandel, Martin Pohl, Henric Krawczynski, K. G. Gibbs, O. Celik, R. J. White, John Toner, J. S. Perkins, Yousaf M. Butt, V. V. Vassiliev, Pierre Colin, V. Bugaev, V. A. Acciari, S. B. Hughes, G. Blaylock, R. Guenette, G. H. Gillanders, Jacek Niemiec, H. M. Badran, R. G. Wagner, P. T. Reynolds, T. Nagai, P. A. Ogden, E. Hays, R. Amini, Geza Gyuk, O. J. Glidewell, D. Horan, Paul Dowkontt, Tulun Ergin, Reshmi Mukherjee, J. Millis, P. Moriarty, P. Fortin, H. J. Rose, Wei Cui, C. M. Hui, A. Konopelko, K. Lee, D. S. Hanna, L. Valcarcel, Lucy Fortson, Matthew Wood, C. Dowdall, M. McCutcheon, A. Imran, John Kildea, J. H. Buckley, M. J. Lang, J. P. Finley, C. Duke, A. W. Smith, E. Roache, T. C. Weekes, Stephanie Wissel, Amanda Weinstein, P. Cogan, Thomas Brian Humensky, K. Ragan, Karen Byrum, M. Schroedter, David Kieda, David A. Williams, J. Grube, Jamie Holder, G. E. Kenny, P. Kaaret
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 588:26-32
VERITAS is an array of four, 12-m-diameter, Cherenkov telescopes, designed to explore the very-high-energy gamma-ray sky in the energy band between 100 GeV and 50 TeV. Its construction and commissioning have occurred over the past two years and the a
Autor:
G. E. Kenny, O. Celik, M. J. Lang, P. Moriarty, D. Petry, G. H. Gillanders, A. Konopelko, J. P. Finley, John Kildea, D. A. Carter-Lewis, F. Krennrich, T. C. Weekes, A. Syson, J. Millis, Y. C. K. Chow, J. Lloyd-Evans, I. D. Perez, I. Jung, M. K. Daniel, C. Duke, D. J. Fegan, H. J. Rose, R. J. White, S. P. Wakely, Daniel Gall, S. B. Hughes, J. S. Perkins, M. Jordan, A. W. Smith, J. Grube, Jamie Holder, J. H. Buckley, M. Schroedter, C. Dowdall, K. Gutierrez, John Toner, P. Cogan, S. M. Bradbury, G. H. Sembroski, R. W. Atkins, J. Knapp, P. A. Ogden, I. H. Bond, Henric Krawczynski, Lucy Fortson, R. A. Ong, D. Horan, S. LeBohec, J. Hall, T. Nagai, P. Rebillot, Martin Pohl, K. Kosack, Mark N. Quinn, Wei Cui, L. Valcarcel, M. Kertzman, G. Blaylock, H. M. Badran, V. V. Vassiliev, Tony Hall, Abraham D. Falcone, F. Pizlo, S. J. Fegan, John L. Quinn
Publikováno v:
Astroparticle Physics. 28:182-195
Details are presented of the Whipple Observatory’s 10 m atmospheric Cherenkov telescope and camera, as it evolved during the period 1997 until 2006. The design of the telescope and camera’s optical and electronic systems is discussed together wit
Autor:
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, Mark N. Quinn
Publikováno v:
Department of Physics and Astronomy Faculty Publications
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 spe
Autor:
S. P. Swordy, R. A. Ong, J. H. Buckley, M Schroedter, H. Manseri, Gernot Maier, F. Pizlo, S. LeBohec, D Horana, J. Lloyd-Evans, S. P. Wakely, G. Walker, Mark N. Quinn, G. Blaylock, J. Knapp, J. Hall, I. H. Bond, K. Ragan, H. M. Badran, F. Krennrich, R. W. Atkins, Vladimir Vassiliev, David Kieda, M. J. Lang, Martin Pohl, K. Kosack, P T Reynolds, Sm Bradbury, John L. Quinn, R. G. Wagner, D. Petry, K. G. Gibbs, Jeremy Perkins, S. Gammell, P Rebillot, E. Hays, P. A. Ogden, A. Syson, Reshmi Mukherjee, G. H. Gillanders, Jamie Holder, C Duke, Da Carter-Lewis, P. Fortin, H. J. Rose, D. J. Fegan, Y. C. Chow, G H Sembroski, Lucy Fortson, B. Power-Mooney, P. Moriarty, T Ergin, Dowdall, J. Grube, T. N. Nagai, A. D. Falcone, M K Daniel, M. A. Olevitch, David A. Williams, John Kildea, J. P. Finley, Henric Krawczynski, T. C. Weekes, R. J. White, S. B. Hughes, M. Kertzmann, Thomas Brian Humensky, P. Cogan, P. J. Boyle, S. J. Fegan, D. Steele, Paul Dowkontt, D. S. Hanna, W CuP, Jeffrey Zweerink, O. Celik, A. Milovanovic, G. E. Kenny, I. de la Calle Perez, P. Kaaret, E. Linton, L. Valcarcel
Publikováno v:
Journal of Physics: Conference Series. 47:232-237
The Very Energetic Radiation Imaging Telescope Array System (VERITAS) being constructed in Southern Arizona consists of an array of four Atmospheric Cherenkov 12m Telescopes designed to observe astrophysical gamma rays in the energy range from 100 Ge
Publikováno v:
Proceedings of the International Astronomical Union. 1:228-232
The status of Very High Energy (VHE, E $\,{>}\,$ 50 GeV) gamma-ray observations of BL Lacertae objects is presented. The catalogue of well-established BL Lacertae objects detected at VHE energies contains seven members, and there have been recent rep
Autor:
J. McEnery, A. M. Hillas, O. Celik, J. H. Buckley, C. Duke, J. Grube, A. Syson, Dietrich Müller, David Kieda, J. Lloyd-Evans, A. Jarvis, J. Hall, K. Ragan, Reshmi Mukherjee, K. Kosack, P. Moriarty, F. Krennrich, V. V. Vassiliev, M. K. Daniel, G. H. Sembroski, J. Knapp, Wei Cui, B. Power-Mooney, D. J. Fegan, S. P. Swordy, Jamie Holder, I. de la Calle Perez, P. T. Reynolds, S. P. Wakely, G. Walker, S. J. Fegan, R. A. Ong, S. Le Bohec, G. E. Kenny, I. H. Bond, M. Schroedter, J. P. Finley, R. Pallassini, T. C. Weekes, Lucy Fortson, M. Jordan, M. Catanese, D. Petry, John Kildea, D. S. Hanna, P. Rebillot, P. J. Boyle, E. Linton, Henric Krawczynski, D. A. Carter-Lewis, H. M. Badran, M. D'Vali, Tony Hall, Mark N. Quinn, M. J. Lang, J. A. Gaidos, S. J. Nolan, A. Milovanovic, R. W. Lessard, Jeffrey Zweerink, H. J. Rose, S. M. Bradbury, Abraham D. Falcone, M. Kertzman, D. Horan, John L. Quinn, K. G. Gibbs, S. Gammell, T. N. Nagai, G. H. Gillanders
Publikováno v:
Department of Physics and Astronomy Faculty Publications
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%
Spectrum of Very High Energy Gamma‐Rays from the blazar 1ES 1959+650 during Flaring Activity in 2002
Autor:
M. K. Daniel, H. M. Badran, I. H. Bond, P. J. Boyle, S. M. Bradbury, J. H. Buckley, D. A. Carter‐Lewis, M. Catanese, O. Celik, P. Cogan, W. Cui, M. D’Vali, I. de la Calle Perez, C. Duke, A. Falcone, D. J. Fegan, S. J. Fegan, J. P. Finley, L. F. Fortson, J. A. Gaidos, S. Gammell, K. Gibbs, G. H. Gillanders, J. Grube, J. Hall, T. A. Hall, D. Hanna, A. M. Hillas, J. Holder, D. Horan, T. B. Humensky, A. Jarvis, M. Jordan, G. E. Kenny, M. Kertzman, D. Kieda, J. Kildea, J. Knapp, K. Kosack, H. Krawczynski, F. Krennrich, M. J. Lang, S. Le Bohec, E. Linton, J. Lloyd‐Evans, A. Milovanovic, P. Moriarty, D. Muller, T. Nagai, S. Nolan, R. A. Ong, R. Pallassini, D. Petry, B. Power‐Mooney, J. Quinn, M. Quinn, K. Ragan, P. Rebillot, P. T. Reynolds, H. J. Rose, M. Schroedter, G. H. Sembroski, S. P. Swordy, A. Syson, V. V. Vassiliev, S. P. Wakely, G. Walker, T. C. Weekes, J. Zweerink
Publikováno v:
Department of Physics and Astronomy Faculty Publications
The blazar 1ES 1959+650 was observed in a flaring state with the Whipple 10 m Imaging Atmospheric Cherenkov Telescope during May of 2002. A spectral analysis has been carried out on the data from that time period and the resulting very high energy ga