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Discovery of a New TeV Gamma-Ray Source : VER J0521+211
- Archambault, S. (author)
- Arlen, T. (author)
- Aune, T. (author)
- show more...
- Behera, B. (author)
- Beilicke, M. (author)
- Benbow, W. (author)
- Bird, R. (author)
- Bouvier, A. (author)
- Buckley, J. H. (author)
- Bugaev, V. (author)
- Byrum, K. (author)
- Cesarini, A. (author)
- Ciupik, L. (author)
- Connolly, M. P. (author)
- Cui, W. (author)
- Errando, M. (author)
- Falcone, A. (author)
- Federici, S. (author)
- Feng, Q. (author)
- Finley, J. P. (author)
- Fortson, L. (author)
- Furniss, A. (author)
- Galante, N. (author)
- Gall, D. (author)
- Gillanders, G. H. (author)
- Griffin, S. (author)
- Grube, J. (author)
- Gyuk, G. (author)
- Hanna, D. (author)
- Holder, J. (author)
- Hughes, G. (author)
- Humensky, T. B. (author)
- Kaaret, P. (author)
- Kertzman, M. (author)
- Khassen, Y. (author)
- Kieda, D. (author)
- Krawczynski, H. (author)
- Krennrich, F. (author)
- Kumar, S. (author)
- Lang, M. J. (author)
- Madhavan, A. S. (author)
- Maier, G. (author)
- Majumdar, P. (author)
- McArthur, S. (author)
- McCann, A. (author)
- Millis, J. (author)
- Moriarty, P. (author)
- Mukherjee, R. (author)
- O’Faoláin de Bhróithe, A. (author)
- Ong, R. A. (author)
- Otte, A. N. (author)
- Park, N. (author)
- Perkins, J. S. (author)
- Pohl, M. (author)
- Popkow, A. (author)
- Quinn, J. (author)
- Ragan, K. (author)
- Reyes, L. C. (author)
- Reynolds, P. T. (author)
- Richards, G. T. (author)
- Roache, E. (author)
- Saxon, D. B. (author)
- Sembroski, G. H. (author)
- Smith, A. W. (author)
- Staszak, D. (author)
- Telezhinsky, I. (author)
- Theiling, M. (author)
- Varlotta, A. (author)
- Vassiliev, V. V. (author)
- Vincent, S. (author)
- Wakely, S. P. (author)
- Weekes, T. C. (author)
- Weinstein, A. (author)
- Welsing, R. (author)
- Williams, D. A. (author)
- Zitzer, B. (author)
- Collaboration, V E R I T A S (author)
- Böttcher, M. (author)
- Fegan, S. J. (author)
- Fortin, P. (author)
- Halpern, J. P. (author)
- Kovalev, Y. Y. (author)
- Lister, M. L. (author)
- Liu, J. (author)
- Pushkarev, A. B. (author)
- Smith, P. S. (author)
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- (creator_code:org_t)
- 2013
- 2013
- English.
- In: Astrophysical Journal. - 0004-637X .- 1538-4357. ; 776:2
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- We report the detection of a new TeV gamma-ray source, VER J0521+211, based on observations made with the VERITAS imaging atmospheric Cherenkov Telescope Array. These observations were motivated by the discovery of a cluster of >30 GeV photons in the first year of Fermi Large Area Telescope observations. VER J0521+211 is relatively bright at TeV energies, with a mean photon flux of (1.93 ± 0.13stat ± 0.78sys) × 10–11 cm–2 s–1 above 0.2 TeV during the period of the VERITAS observations. The source is strongly variable on a daily timescale across all wavebands, from optical to TeV, with a peak flux corresponding to ~0.3 times the steady Crab Nebula flux at TeV energies. Follow-up observations in the optical and X-ray bands classify the newly discovered TeV source as a BL Lac-type blazar with uncertain redshift, although recent measurements suggest z = 0.108. VER J0521+211 exhibits all the defining properties of blazars in radio, optical, X-ray, and gamma-ray wavelengths.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- BL Lacertae objects: individual: VER J0521+211
- gamma rays: galaxies
- Astropartikelfysik
- Astroparticle Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
- Archambault, S.
- Arlen, T.
- Aune, T.
- Behera, B.
- Beilicke, M.
- Benbow, W.
- show more...
- Bird, R.
- Bouvier, A.
- Buckley, J. H.
- Bugaev, V.
- Byrum, K.
- Cesarini, A.
- Ciupik, L.
- Connolly, M. P.
- Cui, W.
- Errando, M.
- Falcone, A.
- Federici, S.
- Feng, Q.
- Finley, J. P.
- Fortson, L.
- Furniss, A.
- Galante, N.
- Gall, D.
- Gillanders, G. H ...
- Griffin, S.
- Grube, J.
- Gyuk, G.
- Hanna, D.
- Holder, J.
- Hughes, G.
- Humensky, T. B.
- Kaaret, P.
- Kertzman, M.
- Khassen, Y.
- Kieda, D.
- Krawczynski, H.
- Krennrich, F.
- Kumar, S.
- Lang, M. J.
- Madhavan, A. S.
- Maier, G.
- Majumdar, P.
- McArthur, S.
- McCann, A.
- Millis, J.
- Moriarty, P.
- Mukherjee, R.
- O’Faoláin de Bhr ...
- Ong, R. A.
- Otte, A. N.
- Park, N.
- Perkins, J. S.
- Pohl, M.
- Popkow, A.
- Prokoph, Heike
- Quinn, J.
- Ragan, K.
- Reyes, L. C.
- Reynolds, P. T.
- Richards, G. T.
- Roache, E.
- Saxon, D. B.
- Sembroski, G. H.
- Smith, A. W.
- Staszak, D.
- Telezhinsky, I.
- Theiling, M.
- Varlotta, A.
- Vassiliev, V. V.
- Vincent, S.
- Wakely, S. P.
- Weekes, T. C.
- Weinstein, A.
- Welsing, R.
- Williams, D. A.
- Zitzer, B.
- Collaboration, V ...
- Böttcher, M.
- Fegan, S. J.
- Fortin, P.
- Halpern, J. P.
- Kovalev, Y. Y.
- Lister, M. L.
- Liu, J.
- Pushkarev, A. B.
- Smith, P. S.
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