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The Imprint of the Extragalactic Background Light in the Gamma-Ray Spectra of Blazars
- Ackermann, M. (author)
- Ajello, M. (author)
- Allafort, A. (author)
- show more...
- Schady, P. (author)
- Baldini, L. (author)
- Ballet, J. (author)
- Barbiellini, G. (author)
- Bastieri, D. (author)
- Bellazzini, R. (author)
- Blandford, R. D. (author)
- Bloom, E. D. (author)
- Borgland, A. W. (author)
- Bottacini, E. (author)
- Bouvier, A. (author)
- Bregeon, J. (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)
- Cavazzuti, E. (author)
- Cecchi, C. (author)
- Charles, E. (author)
- Chaves, R. C. G. (author)
- Chekhtman, A. (author)
- Cheung, C. C. (author)
- Chiang, J. (author)
- Chiaro, G. (author)
- Ciprini, S. (author)
- Claus, R. (author)
- Cohen-Tanugi, J. (author)
- Cutini, S. (author)
- D'Ammando, F. (author)
- de Palma, F. (author)
- Dermer, C. D. (author)
- Digel, S. W. (author)
- do Couto e Silva, E. (author)
- Domnguez, A. (author)
- Drell, P. S. (author)
- Drlica-Wagner, A. (author)
- Favuzzi, C. (author)
- Fegan, S. J. (author)
- Focke, W. B. (author)
- Franckowiak, A. (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)
- Giordano, F. (author)
- Giroletti, M. (author)
- Glanzman, T. (author)
- Godfrey, G. (author)
- Grenier, I. A. (author)
- Grove, J. E. (author)
- Guiriec, S. (author)
- Gustafsson, M. (author)
- Hadasch, D. (author)
- Hayashida, M. (author)
- Hays, E. (author)
- Jogler, T. (author)
- Kataoka, J. (author)
- Knoedlseder, J. (author)
- Kuss, M. (author)
- Lande, J. (author)
- Latronico, L. (author)
- Longo, F. (author)
- Loparco, F. (author)
- Lovellette, M. N. (author)
- Lubrano, P. (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)
- Tramacere, A. (author)
- Nuss, E. (author)
- Greiner, J. (author)
- Ohno, M. (author)
- Ohsugi, T. (author)
- Omodei, N. (author)
- Orienti, M. (author)
- Orlando, E. (author)
- Ormes, J. F. (author)
- Paneque, D. (author)
- Perkins, J. S. (author)
- Pesce-Rollins, M. (author)
- Piron, F. (author)
- Pivato, G. (author)
- Porter, T. A. (author)
- Raino, S. (author)
- Rando, R. (author)
- Razzano, M. (author)
- Razzaque, S. (author)
- Reimer, A. (author)
- Reimer, O. (author)
- Reyes, L. C. (author)
- Ritz, S. (author)
- Rau, A. (author)
- Romoli, C. (author)
- Roth, M. (author)
- Sanchez-Conde, M. (author)
- Sanchez, D. A. (author)
- Scargle, J. D. (author)
- Sgro, C. (author)
- Siskind, E. J. (author)
- Spandre, G. (author)
- Spinelli, P. (author)
- Stawarz, Lukasz (author)
- Suson, D. J. (author)
- Takahashi, H. (author)
- Tanaka, T. (author)
- Thayer, J. G. (author)
- Thompson, D. J. (author)
- Tibaldo, L. (author)
- Tinivella, M. (author)
- Torres, D. F. (author)
- Tosti, G. (author)
- Troja, E. (author)
- Usher, T. L. (author)
- Vandenbroucke, J. (author)
- Vasileiou, V. (author)
- Vianello, G. (author)
- Vitale, V. (author)
- Waite, A. P. (author)
- Winer, B. L. (author)
- Wood, K. S. (author)
- Wood, M. (author)
- show less...
- (creator_code:org_t)
- American Association for the Advancement of Science (AAAS), 2012
- 2012
- English.
- In: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 338:6111, s. 1190-1192
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- The light emitted by stars and accreting compact objects through the history of the universe is encoded in the intensity of the extragalactic background light (EBL). Knowledge of the EBL is important to understand the nature of star formation and galaxy evolution, but direct measurements of the EBL are limited by galactic and other foreground emissions. Here, we report an absorption feature seen in the combined spectra of a sample of gamma-ray blazars out to a redshift of z similar to 1.6. This feature is caused by attenuation of gamma rays by the EBL at optical to ultraviolet frequencies and allowed us to measure the EBL flux density in this frequency band.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Active Galactic Nuclei
- Large-Area Telescope
- 1st Stars; Radiative-Transfer
- Universe
- Absorption
- Redshift; Opacity
- Fields
- Glast
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
- Ackermann, M.
- Ajello, M.
- Allafort, A.
- Schady, P.
- Baldini, L.
- Ballet, J.
- show more...
- Barbiellini, G.
- Bastieri, D.
- Bellazzini, R.
- Blandford, R. D.
- Bloom, E. D.
- Borgland, A. W.
- Bottacini, E.
- Bouvier, A.
- Bregeon, J.
- Brigida, M.
- Bruel, P.
- Buehler, R.
- Buson, S.
- Caliandro, G. A.
- Cameron, R. A.
- Caraveo, P. A.
- Cavazzuti, E.
- Cecchi, C.
- Charles, E.
- Chaves, R. C. G.
- Chekhtman, A.
- Cheung, C. C.
- Chiang, J.
- Chiaro, G.
- Ciprini, S.
- Claus, R.
- Cohen-Tanugi, J.
- Conrad, Jan
- Cutini, S.
- D'Ammando, F.
- de Palma, F.
- Dermer, C. D.
- Digel, S. W.
- do Couto e Silva ...
- Domnguez, A.
- Drell, P. S.
- Drlica-Wagner, A ...
- Favuzzi, C.
- Fegan, S. J.
- Focke, W. B.
- Franckowiak, A.
- Fukazawa, Y.
- Funk, S.
- Fusco, P.
- Gargano, F.
- Gasparrini, D.
- Gehrels, N.
- Germani, S.
- Giglietto, N.
- Giordano, F.
- Giroletti, M.
- Glanzman, T.
- Godfrey, G.
- Grenier, I. A.
- Grove, J. E.
- Guiriec, S.
- Gustafsson, M.
- Hadasch, D.
- Hayashida, M.
- Hays, E.
- Jackson, Miranda ...
- Jogler, T.
- Kataoka, J.
- Knoedlseder, J.
- Kuss, M.
- Lande, J.
- Larsson, Stefan
- Latronico, L.
- Longo, F.
- Loparco, F.
- Lovellette, M. N ...
- Lubrano, P.
- 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.
- Tramacere, A.
- Nuss, E.
- Greiner, J.
- Ohno, M.
- Ohsugi, T.
- Omodei, N.
- Orienti, M.
- Orlando, E.
- Ormes, J. F.
- Paneque, D.
- Perkins, J. S.
- Pesce-Rollins, M ...
- Piron, F.
- Pivato, G.
- Porter, T. A.
- Raino, S.
- Rando, R.
- Razzano, M.
- Razzaque, S.
- Reimer, A.
- Reimer, O.
- Reyes, L. C.
- Ritz, S.
- Rau, A.
- Romoli, C.
- Roth, M.
- Sanchez-Conde, M ...
- Sanchez, D. A.
- Scargle, J. D.
- Sgro, C.
- Siskind, E. J.
- Spandre, G.
- Spinelli, P.
- Stawarz, Lukasz
- Suson, D. J.
- Takahashi, H.
- Tanaka, T.
- Thayer, J. G.
- Thompson, D. J.
- Tibaldo, L.
- Tinivella, M.
- Torres, D. F.
- Tosti, G.
- Troja, E.
- Usher, T. L.
- Vandenbroucke, J ...
- Vasileiou, V.
- Vianello, G.
- Vitale, V.
- Waite, A. P.
- Winer, B. L.
- Wood, K. S.
- Wood, M.
- show less...
- About the subject
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- NATURAL SCIENCES
- NATURAL SCIENCES
- and Physical Science ...
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- Science
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- Royal Institute of Technology
- Stockholm University
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