The imprint of the extragalactic background light in the gamma-ray spectra of blazars

Ackermann, Markus; Ajello, M.; Allafort, A.; Rd, Blandford; Schady, P.; Baldini, Luca; D. Blandford, R.; Ballet, J.; Barbiellini, Guido; Ed, Bloom; Bastieri, D.; Bellazzini, R.; D. Bloom, E.; Blandford, R. D.; W. Borgland, A.; Bloom, E. D.; Borgland, A. W.; Aw, Borgland; Bottacini, E.; Bouvier, A.; Ga, Caliandro; Bregeon, J.; Brigida, M.; A. Caliandro, G.; Bruel, P.; Buehler, R.; Ra, Cameron; Buson, S.; A. Cameron, R.; Caliandro, G. A.; Cameron, R. A.; A. Caraveo, P.; Pa, Caraveo; Caraveo, P. A.; Cavazzuti, E.; Cecchi, C.; Charles, E.; Rcg, Chaves; C. G. Chaves, R.; Chaves, R. C. G.; Chekhtman, A.; Cheung, C. C.; C. Cheung, C.; Chiang, J.; Chiaro, G.; Cc, Cheung; Ciprini, S.; Claus, R.; Cd, Dermer; Cohen-Tanugi, J.; Conrad, J.; D. Dermer, C.; Cutini, S.; D'Ammando, F.; Sw, Digel; D’Ammando, F.; de Palma, F.; W. Digel, S.; Domínguez, A.; Digel, S. W.; do Couto E. Silva, E.; Ede, Silva; Dominguez, A.; Domnguez, A.; Drell, P. S.; S. Drell, P.; Ps, Drell; Drlica-Wagner, A.; Favuzzi, C.; Fegan, S. J.; J. Fegan, S.; B. Focke, W.; Focke, W. B.; Franckowiak, A.; Sj, Fegan; Fukazawa, Y.; Funk, S.; Wb, Focke; Fusco, P.; Gargano, F.; Gasparrini, D.; Gehrels, N.; Germani, S.; Ia, Grenier; Giglietto, N.; Giordano, F.; A. Grenier, I.; Giroletti, M.; Glanzman, T.; E. Grove, J.; Godfrey, G.; Grenier, I. A.; Je, Grove; Grove, J. E.; Guiriec, S.; Ms, Jackson; Gustafsson, M.; Hadasch, D.; S. Jackson, M.; Hayashida, M.; Mn, Lovellette; Hays, E.; Jackson, M. S.; N. Lovellette, M.; Jogler, T.; Kataoka, J.; Mn, Mazziotta; Knödlseder, J.; Kuss, M.; Je, McEnery; Lande, J.; Larsson, S.; N. Mazziotta, M.; Latronico, L.; Longo, F.; Pf, Michelson; Loparco, F.; E. Mcenery, J.; Lovellette, M. N.; Lubrano, P.; F. Michelson, P.; Mazziotta, M. N.; McEnery, J. E.; Me, Monzani; Mehault, J.; Michelson, P. F.; E. Monzani, M.; Mizuno, T.; Monte, C.; V. Moskalenko, I.; Monzani, M. E.; Morselli, A.; Iv, Moskalenko; Moskalenko, I. V.; Jf, Ormes; Murgia, S.; Tramacere, A.; F. Ormes, J.; Nuss, E.; Greiner, J.; Js, Perkins; Ohno, M.; Ohsugi, T.; S. Perkins, J.; Omodei, N.; Orienti, M.; Ta, Porter; Orlando, E.; Ormes, J. F.; Lc, Reyes; Paneque, D.; C. Reyes, L.; Perkins, J. S.; Pesce-Rollins, M.; Da, Sanchez; Piron, F.; Pivato, G.; Jd, Scargle; Porter, T. A.; Rainò, S.; Stawarz, Łukasz; Rando, R.; Razzano, M.; D. Scargle, J.; Razzaque, S.; Reimer, A.; Ej, Siskind; Reimer, O.; Reyes, L. C.; J. Siskind, E.; Ritz, S.; Rau, A.; Dj, Suson; Romoli, C.; Sanchez-Conde, M.; Roth, M.; Sánchez-Conde, M.; J. Suson, D.; Sanchez, D. A.; Scargle, J. D.; Jg, Thayer; Sgrò, C.; Siskind, E. J.; G. Thayer, J.; Spandre, G.; Dj, Thompson; Spinelli, P.; Stawarz, L.; J. Thompson, D.; Suson, D. J.; Takahashi, H.; Df, Torres; Tanaka, T.; Thayer, J. G.; F. Torres, D.; Thompson, D. J.; Tibaldo, L.; Tl, Usher; Tinivella, M.; Torres, D. F.; L. Usher, T.; Tosti, G.; Ap, Waite; Troja, E.; Usher, T. L.; P. Waite, A.; Vandenbroucke, J.; Vasileiou, V.; L. Winer, B.; Vianello, G.; Vitale, V.; Bl, Winer; Waite, A. P.; Winer, B. L.; Ks, Wood; S. Wood, K.; Wood, K. S.; Wood, M.; ,

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Markus Ackermann
Ackermann et al., 2012

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American Association for the Advancement of Science, Science, 6111(338), p. 1190-1192, 2012

DOI: 10.1126/science.1227160

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@article{Ackermann2012,
  abstract = {Glow from the Past  Extragalactic background light (EBL) is the integrated radiation from all extragalactic sources in the universe. Foreground emission from our solar system and galaxy makes direct detection of the EBL very difficult. However, it is possible to measure EBL from gamma-ray spectra of distant sources, because gamma-ray photons from these sources interact with the EBL.  Ackermann et al.  (p. 1190 , published online 1 November; see the Perspective by  Bromm  ) report a measurement of the EBL based on an attenuation feature seen in the combined spectra of distant active galaxies detected by the Fermi Gamma-Ray Space Telescope. The result puts constraints on the cosmic history of star formation. },
  author = {Ackermann, Markus and Ajello, M. and Allafort, A. and Rd, Blandford and Schady, P. and Baldini, Luca and D. Blandford, R. and Ballet, J. and Barbiellini, Guido and Ed, Bloom and Bastieri, D. and Bellazzini, R. and D. Bloom, E. and Blandford, R. D. and W. Borgland, A. and Bloom, E. D. and Borgland, A. W. and Aw, Borgland and Bottacini, E. and Bouvier, A. and Ga, Caliandro and Bregeon, J. and Brigida, M. and A. Caliandro, G. and Bruel, P. and Buehler, R. and Ra, Cameron and Buson, S. and A. Cameron, R. and Caliandro, G. A. and Cameron, R. A. and A. Caraveo, P. and Pa, Caraveo and Caraveo, P. A. and Cavazzuti, E. and Cecchi, C. and Charles, E. and Rcg, Chaves and C. G. Chaves, R. and Chaves, R. C. G. and Chekhtman, A. and Cheung, C. C. and C. Cheung, C. and Chiang, J. and Chiaro, G. and Cc, Cheung and Ciprini, S. and Claus, R. and Cd, Dermer and Cohen-Tanugi, J. and Conrad, J. and D. Dermer, C. and Cutini, S. and D'Ammando, F. and Sw, Digel and D’Ammando, F. and de Palma, F. and W. Digel, S. and Domínguez, A. and Digel, S. W. and do Couto E. Silva, E. and Ede, Silva and Dominguez, A. and Domnguez, A. and Drell, P. S. and S. Drell, P. and Ps, Drell and Drlica-Wagner, A. and Favuzzi, C. and Fegan, S. J. and J. Fegan, S. and B. Focke, W. and Focke, W. B. and Franckowiak, A. and Sj, Fegan and Fukazawa, Y. and Funk, S. and Wb, Focke and Fusco, P. and Gargano, F. and Gasparrini, D. and Gehrels, N. and Germani, S. and Ia, Grenier and Giglietto, N. and Giordano, F. and A. Grenier, I. and Giroletti, M. and Glanzman, T. and E. Grove, J. and Godfrey, G. and Grenier, I. A. and Je, Grove and Grove, J. E. and Guiriec, S. and Ms, Jackson and Gustafsson, M. and Hadasch, D. and S. Jackson, M. and Hayashida, M. and Mn, Lovellette and Hays, E. and Jackson, M. S. and N. Lovellette, M. and Jogler, T. and Kataoka, J. and Mn, Mazziotta and Knödlseder, J. and Kuss, M. and Je, McEnery and Lande, J. and Larsson, S. and N. Mazziotta, M. and Latronico, L. and Longo, F. and Pf, Michelson and Loparco, F. and E. Mcenery, J. and Lovellette, M. N. and Lubrano, P. and F. Michelson, P. and Mazziotta, M. N. and McEnery, J. E. and Me, Monzani and Mehault, J. and Michelson, P. F. and E. Monzani, M. and Mizuno, T. and Monte, C. and V. Moskalenko, I. and Monzani, M. E. and Morselli, A. and Iv, Moskalenko and Moskalenko, I. V. and Jf, Ormes and Murgia, S. and Tramacere, A. and F. Ormes, J. and Nuss, E. and Greiner, J. and Js, Perkins and Ohno, M. and Ohsugi, T. and S. Perkins, J. and Omodei, N. and Orienti, M. and Ta, Porter and Orlando, E. and Ormes, J. F. and Lc, Reyes and Paneque, D. and C. Reyes, L. and Perkins, J. S. and Pesce-Rollins, M. and Da, Sanchez and Piron, F. and Pivato, G. and Jd, Scargle and Porter, T. A. and Rainò, S. and Stawarz, Łukasz and Rando, R. and Razzano, M. and D. Scargle, J. and Razzaque, S. and Reimer, A. and Ej, Siskind and Reimer, O. and Reyes, L. C. and J. Siskind, E. and Ritz, S. and Rau, A. and Dj, Suson and Romoli, C. and Sanchez-Conde, M. and Roth, M. and Sánchez-Conde, M. and J. Suson, D. and Sanchez, D. A. and Scargle, J. D. and Jg, Thayer and Sgrò, C. and Siskind, E. J. and G. Thayer, J. and Spandre, G. and Dj, Thompson and Spinelli, P. and Stawarz, L. and J. Thompson, D. and Suson, D. J. and Takahashi, H. and Df, Torres and Tanaka, T. and Thayer, J. G. and F. Torres, D. and Thompson, D. J. and Tibaldo, L. and Tl, Usher and Tinivella, M. and Torres, D. F. and L. Usher, T. and Tosti, G. and Ap, Waite and Troja, E. and Usher, T. L. and P. Waite, A. and Vandenbroucke, J. and Vasileiou, V. and L. Winer, B. and Vianello, G. and Vitale, V. and Bl, Winer and Waite, A. P. and Winer, B. L. and Ks, Wood and S. Wood, K. and Wood, K. S. and Wood, M. and , },
  doi = {10.1126/science.1227160},
  journal = {Science},
  month = {jan},
  pages = {1190-1192},
  title = {The imprint of the extragalactic background light in the gamma-ray spectra of blazars},
  url = {https://www.researchgate.net/profile/A_Morselli/publication/232765887_The_Imprint_of_the_Extragalactic_Background_Light_in_the_Gamma-Ray_Spectra_of_Blazars/links/0fcfd5097ba5a803bc000000.pdf},
  volume = {338},
  year = {2012}
}

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The imprint of the extragalactic background light in the gamma-ray spectra of blazars

Journal article published in 2012 by Markus Ackermann

, M. Ajello

, A. Allafort, Blandford Rd, P. Schady

, Luca Baldini

, R. D. Blandford, J. Ballet, Guido Barbiellini, Bloom Ed, D. Bastieri

, R. Bellazzini, E. D. Bloom, R. D. Blandford, A. W. Borgland and other authors. Markus Ackermann

, M. Ajello

, A. Allafort, Blandford Rd, P. Schady

, Luca Baldini

, R. D. Blandford, J. Ballet, Guido Barbiellini, Bloom Ed, D. Bastieri

, R. Bellazzini, E. D. Bloom, R. D. Blandford, A. W. Borgland, E. D. Bloom, A. W. Borgland, Borgland Aw, E. Bottacini, A. Bouvier, Caliandro Ga, J. Bregeon, M. Brigida, G. A. Caliandro, P. Bruel, R. Buehler, Cameron Ra, S. Buson, R. A. Cameron, G. A. Caliandro, R. A. Cameron, P. A. Caraveo, Caraveo Pa, P. A. Caraveo, E. Cavazzuti, C. Cecchi, E. Charles, Chaves Rcg, R. C. G. Chaves, R. C. G. Chaves, A. Chekhtman, C. C. Cheung, C. C. Cheung, J. Chiang, G. Chiaro, Cheung Cc, S. Ciprini

, R. Claus, Dermer Cd, J. Cohen-Tanugi, J. Conrad, C. D. Dermer, S. Cutini, F. D'Ammando, Digel Sw, F. D’Ammando, F. de Palma, S. W. Digel, A. Domínguez, S. W. Digel, E. do Couto E. Silva, Silva Ede, A. Dominguez, A. Domnguez, P. S. Drell, P. S. Drell, Drell Ps, A. Drlica-Wagner, C. Favuzzi, S. J. Fegan, S. J. Fegan, W. B. Focke, W. B. Focke, A. Franckowiak, Fegan Sj, Y. Fukazawa, S. Funk

, Focke Wb, P. Fusco, F. Gargano

, D. Gasparrini

, N. Gehrels, S. Germani, Grenier Ia, N. Giglietto, F. Giordano, I. A. Grenier, M. Giroletti, T. Glanzman, J. E. Grove, G. Godfrey, I. A. Grenier, Grove Je, J. E. Grove, S. Guiriec, Jackson Ms, M. Gustafsson, D. Hadasch, M. S. Jackson, M. Hayashida, Lovellette Mn, E. Hays, M. S. Jackson, M. N. Lovellette, T. Jogler, J. Kataoka, Mazziotta Mn, J. Knödlseder, M. Kuss, McEnery Je, J. Lande, S. Larsson, M. N. Mazziotta, L. Latronico, F. Longo, Michelson Pf, F. Loparco, J. E. Mcenery, M. N. Lovellette, P. Lubrano, P. F. Michelson, M. N. Mazziotta

, J. E. McEnery, Monzani Me, J. Mehault, P. F. Michelson, M. E. Monzani, T. Mizuno, C. Monte, I. V. Moskalenko, M. E. Monzani, A. Morselli, Moskalenko Iv, I. V. Moskalenko, Ormes Jf, S. Murgia, A. Tramacere, J. F. Ormes, E. Nuss, J. Greiner, Perkins Js, M. Ohno, T. Ohsugi, J. S. Perkins, N. Omodei

, M. Orienti, Porter Ta, E. Orlando, J. F. Ormes, Reyes Lc, D. Paneque, L. C. Reyes, J. S. Perkins, M. Pesce-Rollins, Sanchez Da, F. Piron, G. Pivato, Scargle Jd, T. A. Porter, S. Rainò, Łukasz Stawarz, R. Rando, M. Razzano, J. D. Scargle, S. Razzaque, A. Reimer, Siskind Ej, O. Reimer, L. C. Reyes, E. J. Siskind, S. Ritz, A. Rau, Suson Dj, C. Romoli, M. Sanchez-Conde, M. Roth, M. Sánchez-Conde, D. J. Suson, D. A. Sanchez, J. D. Scargle, Thayer Jg, C. Sgrò, E. J. Siskind, J. G. Thayer, G. Spandre

, Thompson Dj, P. Spinelli, L. Stawarz, D. J. Thompson, D. J. Suson, H. Takahashi, Torres Df, T. Tanaka, J. G. Thayer, D. F. Torres, D. J. Thompson, L. Tibaldo, Usher Tl, M. Tinivella, D. F. Torres, T. L. Usher, G. Tosti, Waite Ap, E. Troja, T. L. Usher, A. P. Waite, J. Vandenbroucke, V. Vasileiou, B. L. Winer, G. Vianello

, V. Vitale, Winer Bl, A. P. Waite, B. L. Winer, Wood Ks, K. S. Wood, K. S. Wood, M. Wood,

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Abstract

Glow from the Past Extragalactic background light (EBL) is the integrated radiation from all extragalactic sources in the universe. Foreground emission from our solar system and galaxy makes direct detection of the EBL very difficult. However, it is possible to measure EBL from gamma-ray spectra of distant sources, because gamma-ray photons from these sources interact with the EBL. Ackermann et al. (p. 1190 , published online 1 November; see the Perspective by Bromm ) report a measurement of the EBL based on an attenuation feature seen in the combined spectra of distant active galaxies detected by the Fermi Gamma-Ray Space Telescope. The result puts constraints on the cosmic history of star formation.

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The imprint of the extragalactic background light in the gamma-ray spectra of blazars

Abstract