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Discovery of TeV Ga...
Discovery of TeV Gamma-Ray Emission from CTA 1 by VERITAS
- Article/chapterEnglish2013
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LIBRIS-ID:oai:DiVA.org:lnu-42794
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https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-42794URI
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https://doi.org/10.1088/0004-637X/764/1/38DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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We report the discovery of TeV gamma-ray emission coincident with the shell-type radio supernova remnant (SNR) CTA 1 using the VERITAS gamma-ray observatory. The source, VER J0006+729, was detected as a 6.5 standard deviation excess over background and shows an extended morphology, approximated by a two-dimensional Gaussian of semimajor (semiminor) axis 030 (024) and a centroid 5' from the Fermi gamma-ray pulsar PSR J0007+7303 and its X-ray pulsar wind nebula (PWN). The photon spectrum is well described by a power-law dN/dE = N 0(E/3 TeV)–Γ, with a differential spectral index of Γ = 2.2 ± 0.2stat ± 0.3sys, and normalization N 0 = (9.1 ± 1.3stat ± 1.7sys) × 10–14 cm–2 s–1 TeV–1. The integral flux, F γ = 4.0 ×10–12 erg cm–2 s–1 above 1 TeV, corresponds to 0.2% of the pulsar spin-down power at 1.4 kpc. The energetics, colocation with the SNR, and the relatively small extent of the TeV emission strongly argue for the PWN origin of the TeV photons. We consider the origin of the TeV emission in CTA 1.
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Archambault, S.
(author)
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Arlen, T.
(author)
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Aune, T.
(author)
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Beilicke, M.
(author)
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Benbow, W.
(author)
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Bouvier, A.
(author)
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Buckley, J. H.
(author)
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Bugaev, V.
(author)
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Cesarini, A.
(author)
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Ciupik, L.
(author)
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Collins-Hughes, E.
(author)
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Connolly, M. P.
(author)
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Cui, W.
(author)
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Dickherber, R.
(author)
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Duke, C.
(author)
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Dumm, J.
(author)
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Dwarkadas, V. V.
(author)
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Errando, M.
(author)
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Falcone, A.
(author)
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Federici, S.
(author)
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Feng, Q.
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Finley, J. P.
(author)
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Finnegan, G.
(author)
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Fortson, L.
(author)
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Furniss, A.
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Galante, N.
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Gall, D.
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Gillanders, G. H.
(author)
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Godambe, S.
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Gotthelf, E. V.
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Griffin, S.
(author)
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Grube, J.
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Gyuk, G.
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Hanna, D.
(author)
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Holder, J.
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Hughes, G.
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Humensky, T. B.
(author)
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Kaaret, P.
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Kargaltsev, O.
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Karlsson, N.
(author)
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Khassen, Y.
(author)
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Kieda, D.
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Krawczynski, H.
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Krennrich, F.
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Lang, M. J.
(author)
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Lee, K.
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Madhavan, A. S.
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Maier, G.
(author)
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Majumdar, P.
(author)
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McArthur, S.
(author)
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McCann, A.
(author)
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Moriarty, P.
(author)
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Mukherjee, R.
(author)
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Nelson, T.
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O’Faoláin de Bhróithe, A.
(author)
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Ong, R. A.
(author)
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Orr, M.
(author)
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Otte, A. N.
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Park, N.
(author)
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Perkins, J. S.
(author)
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Pohl, M.
(author)
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Prokoph, HeikeDESY, Germany(Swepub:lnu)hepraa
(author)
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Quinn, J.
(author)
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Ragan, K.
(author)
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Reyes, L. C.
(author)
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Reynolds, P. T.
(author)
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Roache, E.
(author)
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Roberts, M.
(author)
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Saxon, D. B.
(author)
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Schroedter, M.
(author)
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Sembroski, G. H.
(author)
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Slane, P.
(author)
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Smith, A. W.
(author)
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Staszak, D.
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Telezhinsky, I.
(author)
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Tesić, G.
(author)
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Theiling, M.
(author)
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Thibadeau, S.
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Tsurusaki, K.
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Tyler, J.
(author)
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Varlotta, A.
(author)
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Vassiliev, V. V.
(author)
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Vincent, S.
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Vivier, M.
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Wakely, S. P.
(author)
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Weekes, T. C.
(author)
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Weinstein, A.
(author)
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Welsing, R.
(author)
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Williams, D. A.
(author)
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Zitzer, B.
(author)
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DESY, Germany
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In:Astrophysical Journal764:10004-637X1538-4357
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- By the author/editor
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Aliu, E.
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Archambault, S.
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Arlen, T.
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Aune, T.
-
Beilicke, M.
-
Benbow, W.
-
show more...
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Bouvier, A.
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Buckley, J. H.
-
Bugaev, V.
-
Cesarini, A.
-
Ciupik, L.
-
Collins-Hughes, ...
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Connolly, M. P.
-
Cui, W.
-
Dickherber, R.
-
Duke, C.
-
Dumm, J.
-
Dwarkadas, V. V.
-
Errando, M.
-
Falcone, A.
-
Federici, S.
-
Feng, Q.
-
Finley, J. P.
-
Finnegan, G.
-
Fortson, L.
-
Furniss, A.
-
Galante, N.
-
Gall, D.
-
Gillanders, G. H ...
-
Godambe, S.
-
Gotthelf, E. V.
-
Griffin, S.
-
Grube, J.
-
Gyuk, G.
-
Hanna, D.
-
Holder, J.
-
Hughes, G.
-
Humensky, T. B.
-
Kaaret, P.
-
Kargaltsev, O.
-
Karlsson, N.
-
Khassen, Y.
-
Kieda, D.
-
Krawczynski, H.
-
Krennrich, F.
-
Lang, M. J.
-
Lee, K.
-
Madhavan, A. S.
-
Maier, G.
-
Majumdar, P.
-
McArthur, S.
-
McCann, A.
-
Moriarty, P.
-
Mukherjee, R.
-
Nelson, T.
-
O’Faoláin de Bhr ...
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Ong, R. A.
-
Orr, M.
-
Otte, A. N.
-
Park, N.
-
Perkins, J. S.
-
Pohl, M.
-
Prokoph, Heike
-
Quinn, J.
-
Ragan, K.
-
Reyes, L. C.
-
Reynolds, P. T.
-
Roache, E.
-
Roberts, M.
-
Saxon, D. B.
-
Schroedter, M.
-
Sembroski, G. H.
-
Slane, P.
-
Smith, A. W.
-
Staszak, D.
-
Telezhinsky, I.
-
Tesić, G.
-
Theiling, M.
-
Thibadeau, S.
-
Tsurusaki, K.
-
Tyler, J.
-
Varlotta, A.
-
Vassiliev, V. V.
-
Vincent, S.
-
Vivier, M.
-
Wakely, S. P.
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Weekes, T. C.
-
Weinstein, A.
-
Welsing, R.
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Williams, D. A.
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Zitzer, B.
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