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

Title: 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.

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

Sponsoring Organization:: USDOE

Contributing Organization:: Fermi LAT Collaboration

Grant/Contract Number:: AC02-76SF00515

OSTI ID:: 1357424

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

Publisher:: Institute of Physics (IOP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 23 works

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Deep observation of the NGC 1275 region with MAGIC: search of diffuse γ -ray emission from cosmic rays in the Perseus cluster Ahnen, M. L.; Ansoldi, S.; Antonelli, L. A. Astronomy & Astrophysics, Vol. 589 https://doi.org/10.1051/0004-6361/201527846	journal	April 2016
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
On the physics of radio haloes in galaxy clusters: scaling relations and luminosity functions Zandanel, Fabio; Pfrommer, Christoph; Prada, Francisco Monthly Notices of the Royal Astronomical Society, Vol. 438, Issue 1 https://doi.org/10.1093/mnras/stt2250	journal	December 2013
Constraints on diffuse gamma-ray emission from structure formation processes in the Coma cluster Zandanel, Fabio; Ando, Shin'ichiro Monthly Notices of the Royal Astronomical Society, Vol. 440, Issue 1 https://doi.org/10.1093/mnras/stu324	journal	March 2014
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
Emission from the galaxy NGC 1275 at high and very high energies and its origin Sinitsyna, V. G.; Sinitsyna, V. Yu. Astronomy Letters, Vol. 40, Issue 2-3 https://doi.org/10.1134/s1063773714030074	journal	February 2014
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
Deep observation of the NGC 1275 region with MAGIC: search of diffuse $\gamma$-ray emission from cosmic rays in the Perseus cluster Ahnen, M. L.; Ansoldi, S.; Antonelli, L. A. Deutsches Elektronen-Synchrotron, DESY, Hamburg https://doi.org/10.3204/pubdb-2016-04075	text	January 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
Deep observation of the NGC 1275 region with MAGIC: search of diffuse gamma-ray emission from cosmic rays in the Perseus cluster Collaboration, Magic; Ahnen, M. L.; Ansoldi, S. arXiv https://doi.org/10.48550/arxiv.1602.03099	text	January 2016

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