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MULTIWAVELENGTH EVIDENCE FOR QUASI-PERIODIC MODULATION IN THE GAMMA-RAY BLAZAR PG 1553+113
- Ackermann, M. (author)
- Ajello, M. (author)
- Albert, A. (author)
- show more...
- Atwood, W. B. (author)
- Baldini, L. (author)
- Ballet, J. (author)
- Barbiellini, G. (author)
- Bastieri, D. (author)
- Becerra Gonzalez, J. (author)
- Bellazzini, R. (author)
- Bissaldi, E. (author)
- Blandford, R. D. (author)
- Bloom, E. D. (author)
- Bonino, R. (author)
- Bottacini, E. (author)
- Bregeon, J. (author)
- Bruel, P. (author)
- Buehler, R. (author)
- Buson, S. (author)
- Caliandro, G. A. (author)
- Cameron, R. A. (author)
- Caputo, R. (author)
- Caragiulo, M. (author)
- Caraveo, P. A. (author)
- Cavazzuti, E. (author)
- Cecchi, C. (author)
- Chekhtman, A. (author)
- Chiang, J. (author)
- Chiaro, G. (author)
- Ciprini, S. (author)
- Cohen-Tanugi, J. (author)
- Cutini, S. (author)
- D'Ammando, F. (author)
- de Angelis, A. (author)
- de Palma, F. (author)
- Desiante, R. (author)
- Di Venere, L. (author)
- Dominguez, A. (author)
- Drell, P. S. (author)
- Favuzzi, C. (author)
- Fegan, S. J. (author)
- Ferrara, E. C. (author)
- Focke, W. B. (author)
- Fuhrmann, L. (author)
- Fukazawa, Y. (author)
- Fusco, P. (author)
- Gargano, F. (author)
- Gasparrini, D. (author)
- Giglietto, N. (author)
- Giommi, P. (author)
- Giordano, F. (author)
- Giroletti, M. (author)
- Godfrey, G. (author)
- Green, D. (author)
- Grenier, I. A. (author)
- Grove, J. E. (author)
- Guiriec, S. (author)
- Harding, A. K. (author)
- Hays, E. (author)
- Hewitt, J. W. (author)
- Hill, A. B. (author)
- Horan, D. (author)
- Jogler, T. (author)
- Johannesson, G. (author)
- Johnson, A. S. (author)
- Kamae, T. (author)
- Kuss, M. (author)
- Latronico, L. (author)
- Li, J. (author)
- Li, L. (author)
- Longo, F. (author)
- Loparco, F. (author)
- Lott, B. (author)
- Lovellette, M. N. (author)
- Lubrano, P. (author)
- Magill, J. (author)
- Maldera, S. (author)
- Manfreda, A. (author)
- Max-Moerbeck, W. (author)
- Mayer, M. (author)
- Mazziotta, M. N. (author)
- McEnery, J. E. (author)
- Michelson, P. F. (author)
- Mizuno, T. (author)
- Monzani, M. E. (author)
- Morselli, A. (author)
- Moskalenko, I. V. (author)
- Murgia, S. (author)
- Nuss, E. (author)
- Ohno, M. (author)
- Ohsugi, T. (author)
- Ojha, R. (author)
- Omodei, N. (author)
- Orlando, E. (author)
- Ormes, J. F. (author)
- Paneque, D. (author)
- Pearson, T. J. (author)
- Perkins, J. S. (author)
- Perri, M. (author)
- Pesce-Rollins, M. (author)
- Petrosian, V. (author)
- Piron, F. (author)
- Pivato, G. (author)
- Porter, T. A. (author)
- Raino, S. (author)
- Rando, R. (author)
- Razzano, M. (author)
- Readhead, A. (author)
- Reimer, A. (author)
- Reimer, O. (author)
- Schulz, A. (author)
- Sgro, C. (author)
- Siskind, E. J. (author)
- Spada, F. (author)
- Spandre, G. (author)
- Spinelli, P. (author)
- Suson, D. J. (author)
- Takahashi, H. (author)
- Thayer, J. B. (author)
- Thompson, D. J. (author)
- Tibaldo, L. (author)
- Torres, D. F. (author)
- Tosti, G. (author)
- Troja, E. (author)
- Uchiyama, Y. (author)
- Vianello, G. (author)
- Wood, K. S. (author)
- Wood, M. (author)
- Berdyugin, A. (author)
- Corbet, R. H. D. (author)
- Hovatta, T. (author)
- Lindfors, E. (author)
- Nilsson, K. (author)
- Reinthal, R. (author)
- Sillanpaa, A. (author)
- Stamerra, A. (author)
- Takalo, L. O. (author)
- Valtonen, M. J. (author)
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- (creator_code:org_t)
- Institute of Physics (IOP), 2015
- 2015
- English.
- In: Astrophysical Journal Letters. - : Institute of Physics (IOP). - 2041-8205 .- 2041-8213. ; 813:2
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- We report for the first time a gamma-ray and multiwavelength nearly periodic oscillation in an active galactic nucleus. Using the Fermi Large Area Telescope we have discovered an apparent quasi-periodicity in the gamma-ray flux (E > 100 MeV) from the GeV/TeV BL Lac object PG 1553+113. The marginal significance of the 2.18 +/- 0.08 year period gamma-ray cycle is strengthened by correlated oscillations observed in radio and optical fluxes, through data collected in the Owens Valley Radio Observatory, Tuorla, Katzman Automatic Imaging Telescope, and Catalina Sky Survey monitoring programs and Swift-UVOT. The optical cycle appearing in similar to 10 years of data has a similar period, while the 15 GHz oscillation is less regular than seen in the other bands. Further long-term multiwavelength monitoring of this blazar may discriminate among the possible explanations for this quasi-periodicity.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- accretion
- accretion disks
- BL Lacertae objects: general
- BL Lacertae objects: individual (PG 1553+113)
- galaxies: jets
- gamma rays: galaxies
- gamma rays: general
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
- Ackermann, M.
- Ajello, M.
- Albert, A.
- Atwood, W. B.
- Baldini, L.
- Ballet, J.
- show more...
- Barbiellini, G.
- Bastieri, D.
- Becerra Gonzalez ...
- Bellazzini, R.
- Bissaldi, E.
- Blandford, R. D.
- Bloom, E. D.
- Bonino, R.
- Bottacini, E.
- Bregeon, J.
- Bruel, P.
- Buehler, R.
- Buson, S.
- Caliandro, G. A.
- Cameron, R. A.
- Caputo, R.
- Caragiulo, M.
- Caraveo, P. A.
- Cavazzuti, E.
- Cecchi, C.
- Chekhtman, A.
- Chiang, J.
- Chiaro, G.
- Ciprini, S.
- Cohen-Tanugi, J.
- Conrad, Jan
- Cutini, S.
- D'Ammando, F.
- de Angelis, A.
- de Palma, F.
- Desiante, R.
- Di Venere, L.
- Dominguez, A.
- Drell, P. S.
- Favuzzi, C.
- Fegan, S. J.
- Ferrara, E. C.
- Focke, W. B.
- Fuhrmann, L.
- Fukazawa, Y.
- Fusco, P.
- Gargano, F.
- Gasparrini, D.
- Giglietto, N.
- Giommi, P.
- Giordano, F.
- Giroletti, M.
- Godfrey, G.
- Green, D.
- Grenier, I. A.
- Grove, J. E.
- Guiriec, S.
- Harding, A. K.
- Hays, E.
- Hewitt, J. W.
- Hill, A. B.
- Horan, D.
- Jogler, T.
- Johannesson, G.
- Johnson, A. S.
- Kamae, T.
- Kuss, M.
- Larsson, Stefan
- Latronico, L.
- Li, J.
- Li, L.
- Longo, F.
- Loparco, F.
- Lott, B.
- Lovellette, M. N ...
- Lubrano, P.
- Magill, J.
- Maldera, S.
- Manfreda, A.
- Max-Moerbeck, W.
- Mayer, M.
- Mazziotta, M. N.
- McEnery, J. E.
- Michelson, P. F.
- Mizuno, T.
- Monzani, M. E.
- Morselli, A.
- Moskalenko, I. V ...
- Murgia, S.
- Nuss, E.
- Ohno, M.
- Ohsugi, T.
- Ojha, R.
- Omodei, N.
- Orlando, E.
- Ormes, J. F.
- Paneque, D.
- Pearson, T. J.
- Perkins, J. S.
- Perri, M.
- Pesce-Rollins, M ...
- Petrosian, V.
- Piron, F.
- Pivato, G.
- Porter, T. A.
- Raino, S.
- Rando, R.
- Razzano, M.
- Readhead, A.
- Reimer, A.
- Reimer, O.
- Schulz, A.
- Sgro, C.
- Siskind, E. J.
- Spada, F.
- Spandre, G.
- Spinelli, P.
- Suson, D. J.
- Takahashi, H.
- Thayer, J. B.
- Thompson, D. J.
- Tibaldo, L.
- Torres, D. F.
- Tosti, G.
- Troja, E.
- Uchiyama, Y.
- Vianello, G.
- Wood, K. S.
- Wood, M.
- Zimmer, Stephan
- Berdyugin, A.
- Corbet, R. H. D.
- Hovatta, T.
- Lindfors, E.
- Nilsson, K.
- Reinthal, R.
- Sillanpaa, A.
- Stamerra, A.
- Takalo, L. O.
- Valtonen, M. J.
- show less...
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