Veritas upper limit on the very high energy emission from the radio galaxy NGC 1275
- A. ACCIARI, V.
- ALIU, E.
- ARLEN, T.
- AUNE, T.
- BAUTISTA, M.
- BEILICKE, M.
- BENBOW, W.
- BOLTUCH, D.
- M. BRADBURY, S.
- H. BUCKLEY, J.
- BUGAEV, V.
- BYRUM, K.
- CANNON, A.
- CELIK, O.
- CESARINI, A.
- CIUPIK, L.
- COGAN, P.
- CUI, W.
- DICKHERBER, R.
- DUKE, C.
- J. FEGAN, S.
- P. FINLEY, J.
- FORTIN, P.
- FORTSON, L.
- FURNISS, A.
- GALANTE, N.
- GALL, D.
- GIBBS, K.
- H. GILLANDERS, G.
- GODAMBE, S.
- GRUBE, J.
- GUENETTE, R.
- GYUK, G.
- HANNA, D.
- HOLDER, J.
- HORAN, D.
- M. HUI, C.
- B. HUMENSKY, T.
- IMRAN, A.
- KAARET, P.
- KARLSSON, N.
- KERTZMAN, M.
- KIEDA, D.
- KONOPELKO, A.
- KRAWCZYNSKI, H.
- KRENNRICH, F.
- J. LANG, M.
- LEBOHEC, S.
- MAIER, G.
- MCCANN, A.
- MCCUTCHEON, M.
- MILLIS, J.
- MORIARTY, P.
- MUKHERJEE, R.
- A. ONG, R.
- N. OTTE, A.
- PANDEL, D.
- S. PERKINS, J.
- POHL, M.
- QUINN, J.
- RAGAN, K.
- T. REYNOLDS, P.
- ROACHE, E.
- J. ROSE, H.
- SCHROEDTER, M.
- H. SEMBROSKI, G.
- W. SMITH, A.
- STEELE, D.
- P. SWORDY, S.
- THEILING, M.
- A. TONER, J.
- VARLOTTA, A.
- V. VASSILIEV, V.
- VINCENT, Serge
- G. WAGNER, R.
- P. WAKELY, S.
- E. WARD, J.
- C. WEEKES, T.
- WEINSTEIN, A.
- WEISGARBER, T.
- A. WILLIAMS, D.
- WISSEL, S.
- WOOD, M.
- ZITZER, B.
- KATAOKA, J.
- CAVAZZUTI, E.
- C. CHEUNG, C.
- LOTT, B.
- J. THOMPSON, D.
- TOSTI, G.
Publication date
December 2009
DOI Publisher
IOP Publishing Journal
The Astrophysical JournalAbstract
The recent detection by the Fermi γ-ray space telescope of high-energy γ-rays from the radio galaxy NGC 1275 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. 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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