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Aliu, E;Arlen, T;Aune, T;Beilicke, M;Benbow, W;Bottcher, M;Bouvier, A;Bradbury, SM;Buckley, JH;Bugaev, V;Cannon, A;Cesarini, A;Ciupik, L;Collins-Hughes, E;Connolly, MP;Cui, W;Dickherber, R;Errando, M;Falcone, A;Finley, JP;Fortson, L;Furniss, A;Galante, N;Gall, D;Gillanders, GH;Godambe, S;Griffin, S;Grube, J;Gyuk, G;Hanna, D;Holder, J;Huan, H;Hughes, G;Hui, CM;Humensky, TB;Kaaret, P;Karlsson, N;Kertzman, M;Kieda, D;Krawczynski, H;Krennrich, F;Madhavan, AS;Maier, G;Majumdar, P;McArthur, S;McCann, A;Moriarty, P;Mukherjee, R;Ong, RA;Orr, M;Otte, AN;Park, N;Perkins, JS;Pichel, A;Pohl, M;Prokoph, H;Quinn, J;Ragan, K;Reyes, LC;Reynolds, PT;Roache, E;Rose, HJ;Ruppel, J;Saxon, DB;Schroedter, M;Sembroski, GH;Skole, C;Smith, AW;Staszak, D;Tesic, G;Theiling, M;Thibadeau, S;Tsurusaki, K;Tyler, J;Varlotta, A;Vincent, S;Vivier, M;Wakely, SP;Ward, JE;Weinstein, A;Weisgarber, T;Williams, DA
2011
September
Astrophysical Journal Letters
VERITAS OBSERVATIONS OF THE UNUSUAL EXTRAGALACTIC TRANSIENT SWIFT J164449.3+573451
Published
Altmetric: 1WOS: 7 ()
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GAMMA-RAY ASTRONOMY CHERENKOV TELESCOPES LIGHT
738
We report on very high energy (>100 GeV) gamma-ray observations of Swift J164449.3+573451, an unusual transient object first detected by the Swift Observatory and later detected by multiple radio, optical, and X-ray observatories. A total exposure of 28 hr was obtained on Swift J164449.3+573451 with the Very Energetic Radiation Imaging Telescope Array System ( VERITAS) during 2011 March 28-April 15. We do not detect the source and place a differential upper limit on the emission at 500 GeV during these observations of 1.4 x 10(-12) erg cm(-2) s(-1) (99% confidence level). We also present time-resolved upper limits and use a flux limit averaged over the X-ray flaring period to constrain various emission scenarios that can accommodate both the radio-through-X-ray emission detected from the source and the lack of detection by VERITAS.
2041-8205
10.1088/2041-8205/738/2/L30
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