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MAGIC Observations of the Unidentified gamma-Ray Source TeV J2032+4130

J. Albert E. Aliu H. Anderhub P. Antoranz C. Baixeras J.A. Barrio H. Bartko D. Bastieri J. K. Becker W. Bednarek K. Berger C. Bigongiari A. Biland R. K. Bock G. Bonnoli P. Bordas V. Bosch-Ramon T. Bretz I. Britvitch M. Camara E. Carmona A. Chilingarian S. Commichau J. L. Contreras J. Cortina M. T. Costado V. Curtef F. Dazzi A. de Angelis C. Delgad R. de los Reyes4 E. Domingo-Santamaría B. de Lotto M. de Maria F. de Sabata D. Dorner M. Doro M. Errando M. Fagiolini D. Ferenc E. Fernández R. Firpo M. V. Fonseca L. Font N. Galante R. J. García-López M. Garczarczyk M. Gaug F. Goebe M. Hayashida A. Herrero D. Höhne J. Hose C. C. Hsu S. Huber T. Jogler R. Kosyra D. Kranich A. Laille E. Leonardo E. Lindfors S. Lombardi F. Longo M. López E. Lorenz P. Majumdar G. Maneva N. Mankuzhiyil K. Mannheim M. Mariotti M. Martínez D. Mazin C. Merck M. Meucci M. Meyer J. M. Miranda R. Mirzoyan S. Mizobuchi A. Moralejo D. Nieto K. Nilsson J. Ninkovic E. de Oña Wilhelmi 1 N. Otte I. Oya M. Panniello R. Paoletti J. M. Paredes M. Pasanen D. Pascoli F. Pauss R. Pegna M. Persic L. Peruzzo A. Piccioli E. Prandini N. Puchades A. Raymers W. Rhode M. Ribó J. Rico M. Rissi A. Robert S. Rügamer A. Saggion T. Y. Saito A. Sánchez P. Sartori V. Scalzotto V. Scapin R. Schmitt T. Schweizer M. Shayduk K. Shinozaki S. N. Shore N. Sidro A. Sillanpää D. Sobczynska F. Spanier A. Stamerra L. S. Stark L. Takalo P. Temnikov D. Tescaro M. Teshima D. F. Torres N. Turini H. Vankov A. Venturini V. Vitale R. M. Wagner W. Wittek F. Zandanel R. Zanin J. Zapatero
1 APC - AHE - APC - Astrophysique des Hautes Energies
APC (UMR_7164) - AstroParticule et Cosmologie, Dipartimento di Astronomia, Universita degli Studi di Bologna
Abstract : We observed the first known very high energy (VHE) γ-ray-emitting unidentified source, TeV J2032+4130, for 94 hr with the MAGIC telescope. The source was detected with a significance of 5.6 σ. The flux, position, and angular extension are compatible with the previous ones measured by the HEGRA telescope system 5 years ago. The integral flux amounts to (4.5 ± 0.3stat ± 0.35sys) × 10−13 photons cm−2 s−1 above 1 TeV. The source energy spectrum, obtained with the lowest energy threshold to date, is compatible with a single power law with a hard photon index of Γ = -2.0 ± 0.3stat ± 0.2sys.
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Submitted on : Wednesday, February 25, 2009 - 4:30:57 PM
Last modification on : Friday, November 27, 2020 - 11:24:20 AM

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J. Albert, E. Aliu, H. Anderhub, P. Antoranz, C. Baixeras, et al.. MAGIC Observations of the Unidentified gamma-Ray Source TeV J2032+4130. The Astrophysical journal letters, Bristol : IOP Publishing, 2008, 675, pp.L25-L28. ⟨10.1086/529520⟩. ⟨in2p3-00364319⟩

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