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- Ackermann, M. (author)
MULTIWAVELENGTH EVIDENCE FOR QUASI-PERIODIC MODULATION IN THE GAMMA-RAY BLAZAR PG 1553+113
- Article/chapterEnglish2015
Publisher, publication year, extent ...
- Institute of Physics (IOP),2015
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:su-124765
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-124765URI
- https://doi.org/10.1088/2041-8205/813/2/L41DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-180350URI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- QC 20160112
- 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 and genre
- 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
- accretion
- accretion disks
- BL Lacertae objects: general
- BL Lacertae objects: individual (PG 1553+113)
- galaxies: jets
- gamma rays: galaxies
- gamma rays: general
Added entries (persons, corporate bodies, meetings, titles ...)
- Ajello, M. (author)
- Albert, A. (author)
- 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)
- Conrad, JanStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC),The Royal Swedish Academy of Sciences, Sweden(Swepub:su)conrad (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)
- Larsson, StefanKTH,Partikel- och astropartikelfysik,Oskar Klein Ctr Cosmoparticle Phys, SE-10691 Stockholm, Sweden(Swepub:kth)u1xfjjbn (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)
- Zimmer, StephanStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)(Swepub:su)stzi0820 (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)
- Stockholms universitetFysikum (creator_code:org_t)
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- In:Astrophysical Journal Letters: Institute of Physics (IOP)813:22041-82052041-8213
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- Ajello, M.
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- Atwood, W. B.
- Baldini, L.
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- Spandre, G.
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- Berdyugin, A.
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