VERITAS Upper Limit on the Very High Energy Emission from the Radio Galaxy NGC 1275

Acciari, V. A.; Aliu, E.; Arlen, T.; Aune, T.; Bautista, M.; Beilicke, M.; Benbow, W.; Boltuch, D.; Bradbury, S. M.; Buckley, J. H.; Bugaev, V.; Byrum, K.; Cannon, A.; Celik, O.; Cesarini, A.; Ciupik, L.; Cogan, P.; Cui, W.; Dickherber, R.; Duke, C.; Fegan, S. J.; Finley, J. P.; Fortin, P.; Fortson, L.; Furniss, A.; Galante, N.; Gall, D.; Gibbs, K.; Gillanders, G. H.; Godambe, S.; Grube, J.; Guenette, R.; Gyuk, G.; Hanna, D.; Holder, J.; Horan, D.; Hui, C. M.; Humensky, T. B.; Imran, A.; Kaaret, P.; Karlsson, N.; Kertzman, M.; Kieda, D.; Konopelko, A.; Krawczynski, H.; Krennrich, F.; Lang, M. J.; LeBohec, S.; Maier, G.; McCann, A.; McCutcheon, M.; Millis, J.; Moriarty, P.; Mukherjee, R.; Ong, R. A.; Otte, A. N.; Pandel, D.; Perkins, J. S.; Pohl, M.; Quinn, J.; Ragan, K.; Reynolds, P. T.; Roache, E.; Rose, H. J.; Schroedter, M.; Sembroski, G. H.; Smith, A. W.; Steele, D.; Swordy, S. P.; Theiling, M.; Toner, J. A.; Varlotta, A.; Vassiliev, V. V.; Vincent, S.; Wagner, R. G.; Wakely, S. P.; Ward, J. E.; Weekes, T. C.; Weinstein, A.; Weisgarber, T.; Williams, D. A.; Wissel, S.; Wood, M.; Zitzer, B.; Kataoka, J.; Cavazzuti, E.; Cheung, C. C.; Lott, B.; Thompson, D. J.; Tosti, G.

doi:10.1088/0004-637X/706/2/L275

VERITAS Upper Limit on the Very High Energy Emission from the Radio Galaxy NGC 1275

Journal Article · Mon Nov 16 00:00:00 EST 2009 · The Astrophysical Journal

DOI:https://doi.org/10.1088/0004-637X/706/2/L275· OSTI ID:1357424

Acciari, V. A.; Aliu, E.; Arlen, T.; Aune, T.; Bautista, M.; Beilicke, M.; Benbow, W.; Boltuch, D.; Bradbury, S. M.; Buckley, J. H.; Bugaev, V.; Byrum, K.; Cannon, A.; Celik, O.; Cesarini, A.; Ciupik, L.; Cogan, P.; Cui, W.; Dickherber, R.; Duke, C. more »

We report the recent detection by the Fermi γ-ray space telescope of high-energy γ-rays from the radio galaxy NGC 1275 that makes the observation of the very high energy (VHE: E>100 GeV) part of its broadband spectrum particularly interesting, especially for the understanding of active galactic nuclei with misaligned multi-structured jets. The radio galaxy NGC 1275 was recently observed by VERITAS at energies above 100 GeV for about 8 hr. No VHE γ-ray emission was detected by VERITAS from NGC 1275. Finally, a 99% confidence level upper limit of 2.1% of the Crab Nebula flux level is obtained at the decorrelation energy of approximately 340 GeV, corresponding to 19% of the power-law extrapolation of the Fermi Large Area Telescope result.

View Accepted Manuscript (DOE)

Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE

Contributing Organization:: Fermi LAT Collaboration

Grant/Contract Number:: AC02-76SF00515

OSTI ID:: 1357424

Alternate ID(s):: OSTI ID: 21385090

Journal Information:: The Astrophysical Journal, Journal Name: The Astrophysical Journal Journal Issue: 2 Vol. 706; ISSN 0004-637X

Publisher:: Institute of Physics (IOP)Copyright Statement

Country of Publication:: United States

Language:: English

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Very high energy gamma-ray emission of NGC 1275 and 3c382 and the possible activity nature of the Seyfert Galaxies Sinitsyna, V. G.; Sinitsyna, V. Y. EPJ Web of Conferences, Vol. 52 https://doi.org/10.1051/epjconf/20135210005	journal	January 2013
γ-RAY SPECTRAL EVOLUTION OF NGC 1275 OBSERVED WITH FERMI LARGE AREA TELESCOPE Kataoka, J.; Stawarz, Ł.; Cheung, C. C. The Astrophysical Journal, Vol. 715, Issue 1 https://doi.org/10.1088/0004-637x/715/1/554	journal	April 2010
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High-energy γ-ray properties of the Fanaroff-Riley type I radio galaxy NGC 1275: High-energy γ-ray properties of the FR I radio galaxy NGC 1275 Brown, Anthony M.; Adams, Jenni Monthly Notices of the Royal Astronomical Society, Vol. 413, Issue 4 https://doi.org/10.1111/j.1365-2966.2011.18351.x	journal	March 2011
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NEUTRINO, γ -RAY, AND COSMIC-RAY FLUXES FROM THE CORE OF THE CLOSEST RADIO GALAXIES Fraija, N.; Marinelli, A. The Astrophysical Journal, Vol. 830, Issue 2 https://doi.org/10.3847/0004-637x/830/2/81	journal	October 2016
On the Physics of Radio Halos in Galaxy Clusters: Scaling Relations and Luminosity Functions Zandanel, Fabio; Pfrommer, Christoph; Prada, Francisco arXiv https://doi.org/10.48550/arxiv.1311.4795	text	January 2013
Constraints on diffuse gamma-ray emission from structure formation processes in the Coma cluster Zandanel, Fabio; Ando, Shin'ichiro arXiv https://doi.org/10.48550/arxiv.1312.1493	text	January 2013
Emission from the Galaxy NGC 1275 at High and Very High Energies and its Origin Sinitsyna, V. G.; Sinitsyna, V. Yu. arXiv https://doi.org/10.48550/arxiv.1403.1740	text	January 2014
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