Observations of the shell-type supernova remnant cassiopeia a at TeV energies with veritas

V. A. Acciari; E. Aliu; T. Arlen; T. Aune; M. Bautista; M. Beilicke; W. Benbow; D. Boltuch; S. M. Bradbury; J. H. Buckley; V. Bugaev; Y. Butt; K. Byrum; A. Cannon; A. Cesarini; Y. C. Chow; L. Ciupik; P. Cogan; W. Cui; R. Dickherber; C. Duke; T. Ergin; S. J. Fegan; J. P. Finley; G. Finnegan; P. Fortin; L. Fortson; A. Furniss; N. Galante; D. Gall; G. H. Gillanders; J. Grube; R. Guenette; G. Gyuk; D. Hanna; J. Holder; D. Huang; C. M. Hui; T. B. Humensky; P. Kaaret; N. Karlsson; M. Kertzman; D. Kieda; A. Konopelko; H. Krawczynski; F. Krennrich; M. J. Lang; S. Lebohec; G. Maier; S. McArthur; A. McCann; M. McCutcheon; J. Millis; P. Moriarty; R. A. Ong; D. Pandel; J. S. Perkins; M. Pohl; J. Quinn; K. Ragan; P. T. Reynolds; E. Roache; H. J. Rose; M. Schroedter; G. H. Sembroski; A. W. Smith; B. R. Smith; D. Steele; S. P. Swordy; M. Theiling; S. Thibadeau; A. Varlotta; V. V. Vassiliev; S. Vincent; R. G. Wagner; S. P. Wakely; J. E. Ward; T. C. Weekes; A. Weinstein; T. Weisgarber; S. Wissel; M. Wood

doi:10.1088/0004-637X/714/1/163

Observations of the shell-type supernova remnant cassiopeia a at TeV energies with veritas

V. A. Acciari
, E. Aliu
, T. Arlen
, T. Aune
, M. Bautista
, M. Beilicke
, W. Benbow
, D. Boltuch
, S. M. Bradbury
, J. H. Buckley
, V. Bugaev
, Y. Butt
, K. Byrum
, A. Cannon
, A. Cesarini
, Y. C. Chow
, L. Ciupik
, P. Cogan
, W. Cui
, R. Dickherber

C. Duke, T. Ergin, S. J. Fegan, J. P. Finley, G. Finnegan, P. Fortin, L. Fortson, A. Furniss, N. Galante, D. Gall, G. H. Gillanders, J. Grube, R. Guenette, G. Gyuk, D. Hanna, J. Holder, D. Huang, C. M. Hui, T. B. Humensky, P. Kaaret, N. Karlsson, M. Kertzman, D. Kieda, A. Konopelko, H. Krawczynski, F. Krennrich, M. J. Lang, S. Lebohec, G. Maier, S. McArthur, A. McCann, M. McCutcheon, J. Millis, P. Moriarty, R. A. Ong, D. Pandel, J. S. Perkins, M. Pohl, J. Quinn, K. Ragan, P. T. Reynolds, E. Roache, H. J. Rose, M. Schroedter, G. H. Sembroski, A. W. Smith, B. R. Smith, D. Steele, S. P. Swordy, M. Theiling, S. Thibadeau, A. Varlotta, V. V. Vassiliev, S. Vincent, R. G. Wagner, S. P. Wakely, J. E. Ward, T. C. Weekes, A. Weinstein, T. Weisgarber, S. Wissel, M. Wood

Center for Astrophysics | Harvard & Smithsonian
The Bartol Research Institute
University of California, Los Angeles
University of California at Santa Cruz
McGill University
Washington University in St. Louis
University of Leeds
Argonne National Laboratory
University College Dublin
IDA Business Park
Adler Planetarium
Purdue University
Grinnell College
University of Utah
Barnard College
Ip Paris
Pittsburg State University
University of Chicago
University of Iowa
DePauw University
Iowa State University
c/o DESY
Anderson University
Galway-Mayo Institute of Technology
University of Potsdam
Cork Institute of Technology
MST-8, Los Alamos National Laboratory

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

We report on observations of very high energy γ rays from the shell-type supernova remnant (SNR) Cassiopeia A with the Very Energetic Radiation Imaging Telescope Array System stereoscopic array of four imaging atmospheric Cherenkov telescopes in Arizona. The total exposure time for these observations is 22 hr, accumulated between September and November of 2007. The γ-ray source associated with the SNR Cassiopeia A was detected above 200 GeV with a statistical significance of 8.3σ. The estimated integral flux for this γ-ray source is about 3% of the Crab-Nebula flux. The photon spectrum is compatible with a power law dN/dE E ^-Γ with an index Γ = 2.61 0.24_stat 0.2_sys. The data are consistent with a point-like source. We provide a detailed description of the analysis results and discuss physical mechanisms that may be responsible for the observed γ-ray emission.

langue originale	Anglais
Pages (de - à)	163-169
Nombre de pages	7
journal	Astrophysical Journal
Volume	714
Numéro de publication	1
Les DOIs	https://doi.org/10.1088/0004-637X/714/1/163
état	Publié - 1 janv. 2010

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10.1088/0004-637X/714/1/163

Contient cette citation

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., ... Wood, M. (2010). Observations of the shell-type supernova remnant cassiopeia a at TeV energies with veritas. Astrophysical Journal, 714(1), 163-169. https://doi.org/10.1088/0004-637X/714/1/163

@article{61ec9a74a3794ea197d117dfc4c97b60,

title = "Observations of the shell-type supernova remnant cassiopeia a at TeV energies with veritas",

abstract = "We report on observations of very high energy γ rays from the shell-type supernova remnant (SNR) Cassiopeia A with the Very Energetic Radiation Imaging Telescope Array System stereoscopic array of four imaging atmospheric Cherenkov telescopes in Arizona. The total exposure time for these observations is 22 hr, accumulated between September and November of 2007. The γ-ray source associated with the SNR Cassiopeia A was detected above 200 GeV with a statistical significance of 8.3σ. The estimated integral flux for this γ-ray source is about 3\% of the Crab-Nebula flux. The photon spectrum is compatible with a power law dN/dE E -Γ with an index Γ = 2.61 0.24stat 0.2sys. The data are consistent with a point-like source. We provide a detailed description of the analysis results and discuss physical mechanisms that may be responsible for the observed γ-ray emission.",

keywords = "Acceleration of particles, Cosmic rays, Gamma rays: ISM, ISM: individual objects (Cassiopeia A), ISM: supernova remnants",

author = "Acciari, \{V. A.\} and E. Aliu and T. Arlen and T. Aune and M. Bautista and M. Beilicke and W. Benbow and D. Boltuch and Bradbury, \{S. M.\} and Buckley, \{J. H.\} and V. Bugaev and Y. Butt and K. Byrum and A. Cannon and A. Cesarini and Chow, \{Y. C.\} and L. Ciupik and P. Cogan and W. Cui and R. Dickherber and C. Duke and T. Ergin and Fegan, \{S. J.\} and Finley, \{J. P.\} and G. Finnegan and P. Fortin and L. Fortson and A. Furniss and N. Galante and D. Gall and Gillanders, \{G. H.\} and J. Grube and R. Guenette and G. Gyuk and D. Hanna and J. Holder and D. Huang and Hui, \{C. M.\} and Humensky, \{T. B.\} and P. Kaaret and N. Karlsson and M. Kertzman and D. Kieda and A. Konopelko and H. Krawczynski and F. Krennrich and Lang, \{M. J.\} and S. Lebohec and G. Maier and S. McArthur and A. McCann and M. McCutcheon and J. Millis and P. Moriarty and Ong, \{R. A.\} and D. Pandel and Perkins, \{J. S.\} and M. Pohl and J. Quinn and K. Ragan and Reynolds, \{P. T.\} and E. Roache and Rose, \{H. J.\} and M. Schroedter and Sembroski, \{G. H.\} and Smith, \{A. W.\} and Smith, \{B. R.\} and D. Steele and Swordy, \{S. P.\} and M. Theiling and S. Thibadeau and A. Varlotta and Vassiliev, \{V. V.\} and S. Vincent and Wagner, \{R. G.\} and Wakely, \{S. P.\} and Ward, \{J. E.\} and Weekes, \{T. C.\} and A. Weinstein and T. Weisgarber and S. Wissel and M. Wood",

year = "2010",

month = jan,

day = "1",

doi = "10.1088/0004-637X/714/1/163",

language = "English",

volume = "714",

pages = "163--169",

journal = "Astrophysical Journal",

issn = "0004-637X",

number = "1",

}

Acciari, VA, Aliu, E, Arlen, T, Aune, T, Bautista, M, Beilicke, M, Benbow, W, Boltuch, D, Bradbury, SM, Buckley, JH, Bugaev, V, Butt, Y, Byrum, K, Cannon, A, Cesarini, A, Chow, YC, Ciupik, L, Cogan, P, Cui, W, Dickherber, R, Duke, C, Ergin, T, Fegan, SJ, Finley, JP, Finnegan, G, Fortin, P, Fortson, L, Furniss, A, Galante, N, Gall, D, Gillanders, GH, Grube, J, Guenette, R, Gyuk, G, Hanna, D, Holder, J, Huang, D, Hui, CM, Humensky, TB, Kaaret, P, Karlsson, N, Kertzman, M, Kieda, D, Konopelko, A, Krawczynski, H, Krennrich, F, Lang, MJ, Lebohec, S, Maier, G, McArthur, S, McCann, A, McCutcheon, M, Millis, J, Moriarty, P, Ong, RA, Pandel, D, Perkins, JS, Pohl, M, Quinn, J, Ragan, K, Reynolds, PT, Roache, E, Rose, HJ, Schroedter, M, Sembroski, GH, Smith, AW, Smith, BR, Steele, D, Swordy, SP, Theiling, M, Thibadeau, S, Varlotta, A, Vassiliev, VV, Vincent, S, Wagner, RG, Wakely, SP, Ward, JE, Weekes, TC, Weinstein, A, Weisgarber, T, Wissel, S & Wood, M 2010, 'Observations of the shell-type supernova remnant cassiopeia a at TeV energies with veritas', Astrophysical Journal, VOL. 714, Numéro 1, p. 163-169. https://doi.org/10.1088/0004-637X/714/1/163

TY - JOUR

T1 - Observations of the shell-type supernova remnant cassiopeia a at TeV energies with veritas

AU - Acciari, V. A.

AU - Aliu, E.

AU - Arlen, T.

AU - Aune, T.

AU - Bautista, M.

AU - Beilicke, M.

AU - Benbow, W.

AU - Boltuch, D.

AU - Bradbury, S. M.

AU - Buckley, J. H.

AU - Bugaev, V.

AU - Butt, Y.

AU - Byrum, K.

AU - Cannon, A.

AU - Cesarini, A.

AU - Chow, Y. C.

AU - Ciupik, L.

AU - Cogan, P.

AU - Cui, W.

AU - Dickherber, R.

AU - Duke, C.

AU - Ergin, T.

AU - Fegan, S. J.

AU - Finley, J. P.

AU - Finnegan, G.

AU - Fortin, P.

AU - Fortson, L.

AU - Furniss, A.

AU - Galante, N.

AU - Gall, D.

AU - Gillanders, G. H.

AU - Grube, J.

AU - Guenette, R.

AU - Gyuk, G.

AU - Hanna, D.

AU - Holder, J.

AU - Huang, D.

AU - Hui, C. M.

AU - Humensky, T. B.

AU - Kaaret, P.

AU - Karlsson, N.

AU - Kertzman, M.

AU - Kieda, D.

AU - Konopelko, A.

AU - Krawczynski, H.

AU - Krennrich, F.

AU - Lang, M. J.

AU - Lebohec, S.

AU - Maier, G.

AU - McArthur, S.

AU - McCann, A.

AU - McCutcheon, M.

AU - Millis, J.

AU - Moriarty, P.

AU - Ong, R. A.

AU - Pandel, D.

AU - Perkins, J. S.

AU - Pohl, M.

AU - Quinn, J.

AU - Ragan, K.

AU - Reynolds, P. T.

AU - Roache, E.

AU - Rose, H. J.

AU - Schroedter, M.

AU - Sembroski, G. H.

AU - Smith, A. W.

AU - Smith, B. R.

AU - Steele, D.

AU - Swordy, S. P.

AU - Theiling, M.

AU - Thibadeau, S.

AU - Varlotta, A.

AU - Vassiliev, V. V.

AU - Vincent, S.

AU - Wagner, R. G.

AU - Wakely, S. P.

AU - Ward, J. E.

AU - Weekes, T. C.

AU - Weinstein, A.

AU - Weisgarber, T.

AU - Wissel, S.

AU - Wood, M.

PY - 2010/1/1

Y1 - 2010/1/1

N2 - We report on observations of very high energy γ rays from the shell-type supernova remnant (SNR) Cassiopeia A with the Very Energetic Radiation Imaging Telescope Array System stereoscopic array of four imaging atmospheric Cherenkov telescopes in Arizona. The total exposure time for these observations is 22 hr, accumulated between September and November of 2007. The γ-ray source associated with the SNR Cassiopeia A was detected above 200 GeV with a statistical significance of 8.3σ. The estimated integral flux for this γ-ray source is about 3% of the Crab-Nebula flux. The photon spectrum is compatible with a power law dN/dE E -Γ with an index Γ = 2.61 0.24stat 0.2sys. The data are consistent with a point-like source. We provide a detailed description of the analysis results and discuss physical mechanisms that may be responsible for the observed γ-ray emission.

AB - We report on observations of very high energy γ rays from the shell-type supernova remnant (SNR) Cassiopeia A with the Very Energetic Radiation Imaging Telescope Array System stereoscopic array of four imaging atmospheric Cherenkov telescopes in Arizona. The total exposure time for these observations is 22 hr, accumulated between September and November of 2007. The γ-ray source associated with the SNR Cassiopeia A was detected above 200 GeV with a statistical significance of 8.3σ. The estimated integral flux for this γ-ray source is about 3% of the Crab-Nebula flux. The photon spectrum is compatible with a power law dN/dE E -Γ with an index Γ = 2.61 0.24stat 0.2sys. The data are consistent with a point-like source. We provide a detailed description of the analysis results and discuss physical mechanisms that may be responsible for the observed γ-ray emission.

KW - Acceleration of particles

KW - Cosmic rays

KW - Gamma rays: ISM

KW - ISM: individual objects (Cassiopeia A)

KW - ISM: supernova remnants

U2 - 10.1088/0004-637X/714/1/163

DO - 10.1088/0004-637X/714/1/163

M3 - Article

AN - SCOPUS:77951111171

SN - 0004-637X

VL - 714

SP - 163

EP - 169

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 1

ER -

Observations of the shell-type supernova remnant cassiopeia a at TeV energies with veritas

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