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Fermi-large area telescope observations of the exceptional gamma-ray outbursts of 3C 273 in 2009 September
- Abdo, A. A. (author)
- Ackermann, M. (author)
- Ajello, M. (author)
- show more...
- Baldini, L. (author)
- Ballet, J. (author)
- Barbiellini, G. (author)
- Bastieri, D. (author)
- Bechtol, K. (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)
- Burnett, T. H. (author)
- Buson, S. (author)
- Caliandro, G. A. (author)
- Cameron, R. A. (author)
- Cannon, A. (author)
- Caraveo, P. A. (author)
- Carrigan, S. (author)
- Cavazzuti, E. (author)
- Cecchi, C. (author)
- Celik, Oe. (author)
- Charles, E. (author)
- Chekhtman, A. (author)
- Cheung, C. C. (author)
- Chiang, J. (author)
- Ciprini, S. (author)
- Claus, R. (author)
- Cohen-Tanugi, J. (author)
- Costamante, L. (author)
- Dermer, C. D. (author)
- de Angelis, A. (author)
- de Palma, F. (author)
- do Couto e Silva, E. (author)
- Drell, P. S. (author)
- Dubois, R. (author)
- Dumora, D. (author)
- Farnier, C. (author)
- Favuzzi, C. (author)
- Fegan, S. J. (author)
- Focke, W. B. (author)
- Frailis, M. (author)
- Fukazawa, Y. (author)
- Funk, S. (author)
- Fusco, P. (author)
- Gargano, F. (author)
- Gasparrini, D. (author)
- Gehrels, N. (author)
- Germani, S. (author)
- Giglietto, N. (author)
- Giommi, P. (author)
- Giordano, F. (author)
- Glanzman, T. (author)
- Godfrey, G. (author)
- Grenier, I. A. (author)
- Grondin, M. -H (author)
- Guiriec, S. (author)
- Hayashida, M. (author)
- Hays, E. (author)
- Hill, A. B. (author)
- Horan, D. (author)
- Hughes, R. E. (author)
- Johannesson, G. (author)
- Johnson, A. S. (author)
- Johnson, W. N. (author)
- Kamae, T. (author)
- Katagiri, H. (author)
- Kataoka, J. (author)
- Kawai, N. (author)
- Knoedlseder, J. (author)
- Kuss, M. (author)
- Lande, J. (author)
- Latronico, L. (author)
- Lemoine-Goumard, M. (author)
- Longo, F. (author)
- Loparco, F. (author)
- Lott, B. (author)
- Lovellette, M. N. (author)
- Lubrano, P. (author)
- Madejski, G. M. (author)
- Makeev, A. (author)
- Mansutti, O. (author)
- Massaro, E. (author)
- Mazziotta, M. N. (author)
- McConville, W. (author)
- McEnery, J. E. (author)
- Meurer, C. (author)
- Michelson, P. F. (author)
- Mitthumsiri, W. (author)
- Mizuno, T. (author)
- Moiseev, A. A. (author)
- Monte, C. (author)
- Monzani, M. E. (author)
- Morselli, A. (author)
- Moskalenko, I. V. (author)
- Murgia, S. (author)
- Nolan, P. L. (author)
- Norris, J. P. (author)
- Nuss, E. (author)
- Ohsugi, T. (author)
- Omodei, N. (author)
- Orlando, E. (author)
- Ormes, J. F. (author)
- Paneque, D. (author)
- Panetta, J. H. (author)
- Pelassa, V. (author)
- Pepe, M. (author)
- Pesce-Rollins, M. (author)
- Piron, F. (author)
- Porter, T. A. (author)
- Raino, S. (author)
- Rando, R. (author)
- Razzano, M. (author)
- Reimer, A. (author)
- Reimer, O. (author)
- Ritz, S. (author)
- Rodriguez, A. Y. (author)
- Romani, R. W. (author)
- Roth, M. (author)
- Sadrozinski, H. F. -W (author)
- Sander, A. (author)
- Scargle, J. D. (author)
- Schalk, T. L. (author)
- Sgro, C. (author)
- Siskind, E. J. (author)
- Smith, P. D. (author)
- Spandre, G. (author)
- Spinelli, P. (author)
- Starck, J. -L (author)
- Strickman, M. S. (author)
- Suson, D. J. (author)
- Tajima, H. (author)
- Takahashi, H. (author)
- Takahashi, T. (author)
- Tanaka, T. (author)
- Thayer, J. B. (author)
- Thayer, J. G. (author)
- Thompson, D. J. (author)
- Tibaldo, L. (author)
- Torres, D. F. (author)
- Tosti, G. (author)
- Tramacere, A. (author)
- Uchiyama, Y. (author)
- Usher, T. L. (author)
- Vasileiou, V. (author)
- Vilchez, N. (author)
- Vitale, V. (author)
- Waite, A. P. (author)
- Wang, P. (author)
- Wehrle, A. E. (author)
- Winer, B. L. (author)
- Wood, K. S. (author)
- Ziegler, M. (author)
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- (creator_code:org_t)
- 2010
- 2010
- English.
- In: ASTROPHYSICAL JOURNAL LETTERS. - 2041-8205. ; 714:1, s. L73-L78
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- We present the light curves and spectral data of two exceptionally luminous gamma-ray outbursts observed by the Large Area Telescope experiment on board the Fermi Gamma-ray Space Telescope from 3C 273 in 2009 September. During these flares, having a duration of a few days, the source reached its highest gamma-ray flux ever measured. This allowed us to study, in some details, their spectral and temporal structures. The rise and the decay are asymmetric on timescales of 6 hr, and the spectral index was significantly harder during the flares than during the preceding 11 months. We also found that short, very intense flares put out the same time-integrated energy as long, less intense flares like that observed in 2009 August.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- gamma rays: galaxies
- quasars: individual (3C 273)
- Astronomy and astrophysics
- Astronomi och astrofysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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- ASTROPHYSICAL JOURNAL LETTERS (Search for host publication in LIBRIS)
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- By the author/editor
- Abdo, A. A.
- Ackermann, M.
- Ajello, M.
- Baldini, L.
- Ballet, J.
- Barbiellini, G.
- show more...
- Bastieri, D.
- Bechtol, K.
- 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.
- Burnett, T. H.
- Buson, S.
- Caliandro, G. A.
- Cameron, R. A.
- Cannon, A.
- Caraveo, P. A.
- Carrigan, S.
- Casandjian, J. M ...
- Cavazzuti, E.
- Cecchi, C.
- Celik, Oe.
- Charles, E.
- Chekhtman, A.
- Cheung, C. C.
- Chiang, J.
- Ciprini, S.
- Claus, R.
- Cohen-Tanugi, J.
- Conrad, Jan
- Costamante, L.
- Dermer, C. D.
- de Angelis, A.
- de Palma, F.
- do Couto e Silva ...
- Drell, P. S.
- Dubois, R.
- Dumora, D.
- Farnier, C.
- Favuzzi, C.
- Fegan, S. J.
- Focke, W. B.
- Frailis, M.
- Fukazawa, Y.
- Funk, S.
- Fusco, P.
- Gargano, F.
- Gasparrini, D.
- Gehrels, N.
- Germani, S.
- Giglietto, N.
- Giommi, P.
- Giordano, F.
- Glanzman, T.
- Godfrey, G.
- Grenier, I. A.
- Grondin, M. -H
- Guiriec, S.
- Hayashida, M.
- Hays, E.
- Hill, A. B.
- Horan, D.
- Hughes, R. E.
- Johannesson, G.
- Johnson, A. S.
- Johnson, W. N.
- Kamae, T.
- Katagiri, H.
- Kataoka, J.
- Kawai, N.
- Knoedlseder, J.
- Kuss, M.
- Lande, J.
- Larsson, Stefan
- Latronico, L.
- Lemoine-Goumard, ...
- Garde, Maja Llen ...
- Longo, F.
- Loparco, F.
- Lott, B.
- Lovellette, M. N ...
- Lubrano, P.
- Madejski, G. M.
- Makeev, A.
- Mansutti, O.
- Massaro, E.
- Mazziotta, M. N.
- McConville, W.
- McEnery, J. E.
- Meurer, C.
- Michelson, P. F.
- Mitthumsiri, W.
- Mizuno, T.
- Moiseev, A. A.
- Monte, C.
- Monzani, M. E.
- Morselli, A.
- Moskalenko, I. V ...
- Murgia, S.
- Nolan, P. L.
- Norris, J. P.
- Nuss, E.
- Ohsugi, T.
- Omodei, N.
- Orlando, E.
- Ormes, J. F.
- Paneque, D.
- Panetta, J. H.
- Pelassa, V.
- Pepe, M.
- Pesce-Rollins, M ...
- Piron, F.
- Porter, T. A.
- Raino, S.
- Rando, R.
- Razzano, M.
- Reimer, A.
- Reimer, O.
- Ritz, S.
- Rodriguez, A. Y.
- Romani, R. W.
- Roth, M.
- Ryde, Felix
- Sadrozinski, H. ...
- Sander, A.
- Scargle, J. D.
- Schalk, T. L.
- Sgro, C.
- Siskind, E. J.
- Smith, P. D.
- Spandre, G.
- Spinelli, P.
- Starck, J. -L
- Strickman, M. S.
- Suson, D. J.
- Tajima, H.
- Takahashi, H.
- Takahashi, T.
- Tanaka, T.
- Thayer, J. B.
- Thayer, J. G.
- Thompson, D. J.
- Tibaldo, L.
- Torres, D. F.
- Tosti, G.
- Tramacere, A.
- Uchiyama, Y.
- Usher, T. L.
- Vasileiou, V.
- Vilchez, N.
- Vitale, V.
- Waite, A. P.
- Wang, P.
- Wehrle, A. E.
- Winer, B. L.
- Wood, K. S.
- Yang, Zhaoyu
- Ylinen, Tomi
- Ziegler, M.
- show less...
- About the subject
-
- NATURAL SCIENCES
- NATURAL SCIENCES
- and Physical Science ...
- and Astronomy Astrop ...
- Articles in the publication
- ASTROPHYSICAL JO ...
- By the university
- Royal Institute of Technology
- Stockholm University
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