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THE RADIO/GAMMA-RAY CONNECTION IN ACTIVE GALACTIC NUCLEI IN THE ERA OF THE FERMI LARGE AREA TELESCOPE
- Ackermann, M. (author)
- Ajello, M. (author)
- Allafort, A. (author)
- show more...
- Angelakis, E. (author)
- Baldini, L. (author)
- Ballet, J. (author)
- Barbiellini, G. (author)
- Bastieri, D. (author)
- Bellazzini, R. (author)
- Berenji, B. (author)
- Blandford, R. D. (author)
- Bloom, E. D. (author)
- Bonamente, E. (author)
- Borgland, A. W. (author)
- Bouvier, A. (author)
- Bregeon, J. (author)
- Brez, A. (author)
- Brigida, M. (author)
- Bruel, P. (author)
- Buehler, R. (author)
- Buson, S. (author)
- Caliandro, G. A. (author)
- Cameron, R. A. (author)
- Cannon, A. (author)
- Caraveo, P. A. (author)
- Casandjian, J. M. (author)
- Cavazzuti, E. (author)
- Cecchi, C. (author)
- Charles, E. (author)
- Chekhtman, A. (author)
- Cheung, C. C. (author)
- Ciprini, S. (author)
- Claus, R. (author)
- Cohen-Tanugi, J. (author)
- Cutini, S. (author)
- de Palma, F. (author)
- Dermer, C. D. (author)
- do Couto e Silva, E. (author)
- Drell, P. S. (author)
- Dubois, R. (author)
- Dumora, D. (author)
- Escande, L. (author)
- Favuzzi, C. (author)
- Fegan, S. J. (author)
- Focke, W. B. (author)
- Fortin, P. (author)
- Frailis, M. (author)
- Fuhrmann, L. (author)
- Fukazawa, Y. (author)
- Fusco, P. (author)
- Gargano, F. (author)
- Gasparrini, D. (author)
- Gehrels, N. (author)
- Giglietto, N. (author)
- Giommi, P. (author)
- Giordano, F. (author)
- Giroletti, M. (author)
- Glanzman, T. (author)
- Godfrey, G. (author)
- Grandi, P. (author)
- Grenier, I. A. (author)
- Guiriec, S. (author)
- Hadasch, D. (author)
- Hayashida, M. (author)
- Hays, E. (author)
- Healey, S. E. (author)
- Johannesson, G. (author)
- Johnson, A. S. (author)
- Kamae, T. (author)
- Katagiri, H. (author)
- Kataoka, J. (author)
- Knoedlseder, J. (author)
- Kuss, M. (author)
- Lande, J. (author)
- Lee, S. -H (author)
- Longo, F. (author)
- Loparco, F. (author)
- Lott, B. (author)
- Lovellette, M. N. (author)
- Lubrano, P. (author)
- Makeev, A. (author)
- Max-Moerbeck, W. (author)
- Mazziotta, M. N. (author)
- McEnery, J. E. (author)
- Mehault, J. (author)
- Michelson, P. F. (author)
- Mizuno, T. (author)
- Monte, C. (author)
- Monzani, M. E. (author)
- Morselli, A. (author)
- Moskalenko, I. V. (author)
- Murgia, S. (author)
- Naumann-Godo, M. (author)
- Nishino, S. (author)
- Nolan, P. L. (author)
- Norris, J. P. (author)
- Nuss, E. (author)
- Ohsugi, T. (author)
- Okumura, A. (author)
- Omodei, N. (author)
- Orlando, E. (author)
- Ormes, J. F. (author)
- Ozaki, M. (author)
- Paneque, D. (author)
- Pavlidou, V. (author)
- Pelassa, V. (author)
- Pepe, M. (author)
- Pesce-Rollins, M. (author)
- Pierbattista, M. (author)
- Piron, F. (author)
- Porter, T. A. (author)
- Raino, S. (author)
- Razzano, M. (author)
- Readhead, A. (author)
- Reimer, A. (author)
- Reimer, O. (author)
- Richards, J. L. (author)
- Romani, R. W. (author)
- Sadrozinski, H. F. -W (author)
- Scargle, J. D. (author)
- Sgro, C. (author)
- Siskind, E. J. (author)
- Smith, P. D. (author)
- Spandre, G. (author)
- Spinelli, P. (author)
- Strickman, M. S. (author)
- Suson, D. J. (author)
- Takahashi, H. (author)
- Tanaka, T. (author)
- Taylor, G. B. (author)
- Thayer, J. G. (author)
- Thayer, J. B. (author)
- Thompson, D. J. (author)
- Torres, D. F. (author)
- Tosti, G. (author)
- Tramacere, A. (author)
- Troja, E. (author)
- Vandenbroucke, J. (author)
- Vianello, G. (author)
- Vitale, V. (author)
- Waite, A. P. (author)
- Wang, P. (author)
- Winer, B. L. (author)
- Wood, K. S. (author)
- Ziegler, M. (author)
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- (creator_code:org_t)
- 2011
- 2011
- English.
- In: Astrophysical Journal. - 0004-637X .- 1538-4357. ; 741:1, s. 30-
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- We present a detailed statistical analysis of the correlation between radio and gamma-ray emission of the active galactic nuclei (AGNs) detected by Fermi during its first year of operation, with the largest data sets ever used for this purpose. We use both archival interferometric 8.4 GHz data (from the Very Large Array and ATCA, for the full sample of 599 sources) and concurrent single-dish 15 GHz measurements from the Owens Valley Radio Observatory (OVRO, for a sub sample of 199 objects). Our unprecedentedly large sample permits us to assess with high accuracy the statistical significance of the correlation, using a surrogate data method designed to simultaneously account for common-distance bias and the effect of a limited dynamical range in the observed quantities. We find that the statistical significance of a positive correlation between the centimeter radio and the broadband (E > 100 MeV) gamma-ray energy flux is very high for the whole AGN sample, with a probability of < 10(-7) for the correlation appearing by chance. Using the OVRO data, we find that concurrent data improve the significance of the correlation from 1.6 x 10(-6) to 9.0 x 10(-8). Our large sample size allows us to study the dependence of correlation strength and significance on specific source types and gamma-ray energy band. We find that the correlation is very significant (chance probability < 10(-7)) for both flat spectrum radio quasars and BL Lac objects separately; a dependence of the correlation strength on the considered gamma-ray energy band is also present, but additional data will be necessary to constrain its significance.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- BL Lacertae objects: general
- galaxies: active
- galaxies: jets
- gamma rays: galaxies
- radio continuum: galaxies
- quasars: general
- BL Lacertae objects: general
- galaxies: active
- galaxies: jets
- gamma
- rays: galaxies
- radio continuum: galaxies
- quasars: general
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
- Ackermann, M.
- Ajello, M.
- Allafort, A.
- Angelakis, E.
- Axelsson, Magnus
- Baldini, L.
- show more...
- Ballet, J.
- Barbiellini, G.
- Bastieri, D.
- Bellazzini, R.
- Berenji, B.
- Blandford, R. D.
- Bloom, E. D.
- Bonamente, E.
- Borgland, A. W.
- Bouvier, A.
- Bregeon, J.
- Brez, A.
- Brigida, M.
- Bruel, P.
- Buehler, R.
- Buson, S.
- Caliandro, G. A.
- Cameron, R. A.
- Cannon, A.
- Caraveo, P. A.
- Casandjian, J. M ...
- Cavazzuti, E.
- Cecchi, C.
- Charles, E.
- Chekhtman, A.
- Cheung, C. C.
- Ciprini, S.
- Claus, R.
- Cohen-Tanugi, J.
- Cutini, S.
- de Palma, F.
- Dermer, C. D.
- do Couto e Silva ...
- Drell, P. S.
- Dubois, R.
- Dumora, D.
- Escande, L.
- Favuzzi, C.
- Fegan, S. J.
- Focke, W. B.
- Fortin, P.
- Frailis, M.
- Fuhrmann, L.
- Fukazawa, Y.
- Fusco, P.
- Gargano, F.
- Gasparrini, D.
- Gehrels, N.
- Giglietto, N.
- Giommi, P.
- Giordano, F.
- Giroletti, M.
- Glanzman, T.
- Godfrey, G.
- Grandi, P.
- Grenier, I. A.
- Guiriec, S.
- Hadasch, D.
- Hayashida, M.
- Hays, E.
- Healey, S. E.
- Johannesson, G.
- Johnson, A. S.
- Kamae, T.
- Katagiri, H.
- Kataoka, J.
- Knoedlseder, J.
- Kuss, M.
- Lande, J.
- Lee, S. -H
- Longo, F.
- Loparco, F.
- Lott, B.
- Lovellette, M. N ...
- Lubrano, P.
- Makeev, A.
- Max-Moerbeck, W.
- Mazziotta, M. N.
- McEnery, J. E.
- Mehault, J.
- Michelson, P. F.
- Mizuno, T.
- Monte, C.
- Monzani, M. E.
- Morselli, A.
- Moskalenko, I. V ...
- Murgia, S.
- Naumann-Godo, M.
- Nishino, S.
- Nolan, P. L.
- Norris, J. P.
- Nuss, E.
- Ohsugi, T.
- Okumura, A.
- Omodei, N.
- Orlando, E.
- Ormes, J. F.
- Ozaki, M.
- Paneque, D.
- Pavlidou, V.
- Pelassa, V.
- Pepe, M.
- Pesce-Rollins, M ...
- Pierbattista, M.
- Piron, F.
- Porter, T. A.
- Raino, S.
- Razzano, M.
- Readhead, A.
- Reimer, A.
- Reimer, O.
- Richards, J. L.
- Romani, R. W.
- Sadrozinski, H. ...
- Scargle, J. D.
- Sgro, C.
- Siskind, E. J.
- Smith, P. D.
- Spandre, G.
- Spinelli, P.
- Strickman, M. S.
- Suson, D. J.
- Takahashi, H.
- Tanaka, T.
- Taylor, G. B.
- Thayer, J. G.
- Thayer, J. B.
- Thompson, D. J.
- Torres, D. F.
- Tosti, G.
- Tramacere, A.
- Troja, E.
- Vandenbroucke, J ...
- Vianello, G.
- Vitale, V.
- Waite, A. P.
- Wang, P.
- Winer, B. L.
- Wood, K. S.
- Yang, Zhaoyu
- Ziegler, M.
- show less...
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- Astrophysical Jo ...
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- Stockholm University
- Royal Institute of Technology
- Lund University
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