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A Cocoon of Freshly Accelerated Cosmic Rays Detected by Fermi in the Cygnus Superbubble
- Ackermann, M. (author)
- Ajello, M. (author)
- Allafort, A. (author)
- show more...
- Baldini, L. (author)
- Ballet, J. (author)
- Barbiellini, G. (author)
- Bastieri, D. (author)
- Belfiore, A. (author)
- Bellazzini, R. (author)
- Berenji, B. (author)
- Blandford, R. D. (author)
- Bloom, E. D. (author)
- Bonamente, E. (author)
- Borgland, A. W. (author)
- Bottacini, E. (author)
- Brigida, M. (author)
- Bruel, P. (author)
- Buehler, R. (author)
- Buson, S. (author)
- Caliandro, G. A. (author)
- Cameron, R. A. (author)
- Caraveo, P. A. (author)
- Casandjian, J. M. (author)
- Cecchi, C. (author)
- Chekhtman, A. (author)
- Cheung, C. C. (author)
- Chiang, J. (author)
- Ciprini, S. (author)
- Claus, R. (author)
- Cohen-Tanugi, J. (author)
- de Angelis, A. (author)
- de Palma, F. (author)
- Dermer, C. D. (author)
- do Couto e Silva, E. (author)
- Drell, P. S. (author)
- Dumora, D. (author)
- Favuzzi, C. (author)
- Fegan, S. J. (author)
- Focke, W. B. (author)
- Fortin, P. (author)
- Fukazawa, Y. (author)
- Fusco, P. (author)
- Gargano, F. (author)
- Germani, S. (author)
- Giglietto, N. (author)
- Giordano, F. (author)
- Giroletti, M. (author)
- Glanzman, T. (author)
- Godfrey, G. (author)
- Grenier, I. A. (author)
- Guillemot, L. (author)
- Guiriec, S. (author)
- Hadasch, D. (author)
- Hanabata, Y. (author)
- Harding, A. K. (author)
- Hayashida, M. (author)
- Hayashi, K. (author)
- Hays, E. (author)
- Jóhannesson, G. (author)
- Johnson, A. S. (author)
- Kamae, T. (author)
- Katagiri, H. (author)
- Kataoka, J. (author)
- Kerr, M. (author)
- Knödlseder, J. (author)
- Kuss, M. (author)
- Lande, J. (author)
- Latronico, L. (author)
- Lee, S. -H (author)
- Longo, F. (author)
- Loparco, F. (author)
- Lott, B. (author)
- Lovellette, M. N. (author)
- Lubrano, P. (author)
- Martin, P. (author)
- Mazziotta, M. N. (author)
- McEnery, J. E. (author)
- Mehault, J. (author)
- Michelson, P. F. (author)
- Mitthumsiri, W. (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)
- Nolan, P. L. (author)
- Norris, J. P. (author)
- Nuss, E. (author)
- Ohsugi, T. (author)
- Okumura, A. (author)
- Orlando, E. (author)
- Ormes, J. F. (author)
- Ozaki, M. (author)
- Paneque, D. (author)
- Parent, D. (author)
- Pesce-Rollins, M. (author)
- Pierbattista, M. (author)
- Piron, F. (author)
- Pohl, M. (author)
- Rainò, S. (author)
- Rando, R. (author)
- Razzano, M. (author)
- Reposeur, T. (author)
- Ritz, S. (author)
- Parkinson, P. M. S. (author)
- Sgrò, C. (author)
- Siskind, E. J. (author)
- Smith, P. D. (author)
- Spinelli, P. (author)
- Strong, A. W. (author)
- Takahashi, H. (author)
- Tanaka, T. (author)
- Thayer, J. G. (author)
- Thayer, J. B. (author)
- Thompson, D. J. (author)
- Tibaldo, L. (author)
- Torres, D. F. (author)
- Tosti, G. (author)
- Tramacere, A. (author)
- Troja, E. (author)
- Uchiyama, Y. (author)
- Vandenbroucke, J. (author)
- Vasileiou, V. (author)
- Vianello, G. (author)
- Vitale, V. (author)
- Waite, A. P. (author)
- Wang, P. (author)
- Winer, B. L. (author)
- Wood, K. S. (author)
- Bontemps, S. (author)
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- Stanford University, USA Fysikum (creator_code:org_t)
- American Association for the Advancement of Science (AAAS), 2011
- 2011
- English.
- In: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 334:6059, s. 1103-1107
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- The origin of Galactic cosmic rays is a century-long puzzle. Indirect evidence points to their acceleration by supernova shockwaves, but we know little of their escape from the shock and their evolution through the turbulent medium surrounding massive stars. Gamma rays can probe their spreading through theambient gas and radiation fields. The Fermi Large Area Telescope (LAT) has observed the star-forming region of Cygnus X. The 1- to 100-gigaelectronvolt images reveal a 50-parsec-wide cocoon of freshly accelerated cosmic rays that flood the cavities carved by the stellar winds and ionization fronts from young stellar clusters. It provides an example to study the youth of cosmic rays in a superbubble environment before they merge into the older Galactic population.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Astropartikelfysik
- Astroparticle Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Ackermann, M.
- Ajello, M.
- Allafort, A.
- Baldini, L.
- Ballet, J.
- Barbiellini, G.
- show more...
- Bastieri, D.
- Belfiore, A.
- Bellazzini, R.
- Berenji, B.
- Blandford, R. D.
- Bloom, E. D.
- Bonamente, E.
- Borgland, A. W.
- Bottacini, E.
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- Bruel, P.
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- Chekhtman, A.
- Cheung, C. C.
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- de Palma, F.
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- Drell, P. S.
- Dumora, D.
- Favuzzi, C.
- Fegan, S. J.
- Focke, W. B.
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- Fusco, P.
- Gargano, F.
- Germani, S.
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- Giordano, F.
- Giroletti, M.
- Glanzman, T.
- Godfrey, G.
- Grenier, I. A.
- Guillemot, L.
- Guiriec, S.
- Hadasch, D.
- Hanabata, Y.
- Harding, A. K.
- Hayashida, M.
- Hayashi, K.
- Hays, E.
- Jóhannesson, G.
- Johnson, A. S.
- Kamae, T.
- Katagiri, H.
- Kataoka, J.
- Kerr, M.
- Knödlseder, J.
- Kuss, M.
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- Monzani, M. E.
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- Nolan, P. L.
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- Ritz, S.
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- Siskind, E. J.
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- Spinelli, P.
- Strong, A. W.
- Takahashi, H.
- Tanaka, T.
- Thayer, J. G.
- Thayer, J. B.
- Thompson, D. J.
- Tibaldo, L.
- Torres, D. F.
- Tosti, G.
- Tramacere, A.
- Troja, E.
- Uchiyama, Y.
- Vandenbroucke, J ...
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