Veritas and multiwavelength observations of the bl lacertae object 1es 1741+196
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2016-04-01Author
Abeysekara, A. U.
Archambault, S.
Archer, A.
Benbow, W.
Bird, R.
Biteau, J.
Buchovecky, M.
Buckley, J. H.
Bugaev, V.
Byrum, K.
Cardenzana, J. V
Cerruti, M.
Chen, X.
Christiansen, J. L.
Ciupik, L.
Connolly, M. P.
Cui, W.
Dickinson, H. J.
Dumm, J.
Eisch, J. D.
Errando, M.
Falcone, A.
Feng, Q.
Finley, J. P.
Fleischhack, H.
Flinders, A.
Fortin, P.
Fortson, L.
Furniss, A.
Gillanders, G. H.
Griffin, S.
Grube, J.
Gyuk, G.
Huetten, M.
Hanna, D.
Holder, J.
Humensky, T. B.
Johnson, C. A.
Kaaret, P.
Kar, P.
Kelley-Hoskins, N.
Kertzman, M.
Kieda, D.
Krause, M.
Krennrich, F.
Lang, M. J.
Maier, G.
McArthur, S.
McCann, A.
Meagher, K.
Moriarty, P.
Mukherjee, R.
Nieto, D.
O'Brien, S.
O'Faoláin de Bhróithe, A.
Ong, R. A.
Otte, A. N.
Park, N.
Pelassa, V.
Petrashyk, A.
Petry, D.
Pohl, M.
Popkow, A.
Pueschel, E.
Quinn, J.
Ragan, K.
Ratliff, G.
Reyes, L. C.
Reynolds, P. T.
Reynolds, K.
Richards, G. T.
Roache, E.
Rulten, C.
Santander, M.
Sembroski, G. H.
Shahinyan, K.
Smith, A. W.
Staszak, D.
Telezhinsky, I.
Tucci, J. V.
Tyler, J.
Vincent, S.
Wakely, S. P.
Weiner, O. M.
Weinstein, A.
Wilhelm, A.
Williams, D. A.
Zitzer, B.
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Abeysekara, A. U. Archambault, S.; Archer, A.; Benbow, W.; Bird, R.; Biteau, J.; Buchovecky, M.; Buckley, J. H.; Bugaev, V.; Byrum, K.; Cardenzana, J. V; Cerruti, M.; Chen, X.; Christiansen, J. L.; Ciupik, L.; Connolly, M. P.; Cui, W.; Dickinson, H. J.; Dumm, J.; Eisch, J. D.; Errando, M.; Falcone, A.; Feng, Q.; Finley, J. P.; Fleischhack, H.; Flinders, A.; Fortin, P.; Fortson, L.; Furniss, A.; Gillanders, G. H.; Griffin, S.; Grube, J.; Gyuk, G.; Huetten, M.; Hanna, D.; Holder, J.; Humensky, T. B.; Johnson, C. A.; Kaaret, P.; Kar, P.; Kelley-Hoskins, N.; Kertzman, M.; Kieda, D.; Krause, M.; Krennrich, F.; Lang, M. J.; Maier, G.; McArthur, S.; McCann, A.; Meagher, K.; Moriarty, P.; Mukherjee, R.; Nieto, D.; O'Brien, S.; O'Faoláin de Bhróithe, A.; Ong, R. A.; Otte, A. N.; Park, N.; Pelassa, V.; Petrashyk, A.; Petry, D.; Pohl, M.; Popkow, A.; Pueschel, E.; Quinn, J.; Ragan, K.; Ratliff, G.; Reyes, L. C.; Reynolds, P. T.; Reynolds, K.; Richards, G. T.; Roache, E.; Rulten, C.; Santander, M.; Sembroski, G. H.; Shahinyan, K.; Smith, A. W.; Staszak, D.; Telezhinsky, I.; Tucci, J. V.; Tyler, J.; Vincent, S.; Wakely, S. P.; Weiner, O. M.; Weinstein, A.; Wilhelm, A.; Williams, D. A.; Zitzer, B. (2016). Veritas and multiwavelength observations of the bl lacertae object 1es 1741+196. Monthly Notices of the Royal Astronomical Society 459 (3), 2550-2557
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Abstract
We present results from multiwavelength observations of the BL Lacertae object 1ES 1741 + 196, including results in the very high energy gamma-ray regime using the Very Energetic Radiation Imaging Telescope Array System (VERITAS). The VERITAS time-averaged spectrum, measured above 180 GeV, is well modelled by a power law with a spectral index of 2.7 +/- 0.7(stat) +/- 0.2(syst). The integral flux above 180 GeV is (3.9 +/- 0.8(stat) +/- 1.0(syst)) x 10(-8) m(-2) s(-1), corresponding to 1.6 per cent of the Crab nebula flux on average. The multiwavelength spectral energy distribution of the source suggests that 1ES 1741+196 is an extreme-high-frequency-peaked BL Lacertae object. The observations analysed in this paper extend over a period of six years, during which time no strong flares were observed in any band. This analysis is therefore one of the few characterizations of a blazar in a non-flaring state.