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FERMI/LARGE AREA TELESCOPE DISCOVERY OF GAMMA-RAY EMISSION FROM THE FLAT-SPECTRUM RADIO QUASAR PKS 1454-354
- Abdo, A. A. (author)
- Ackermann, M. (author)
- Atwood, W. B. (author)
- show more...
- Baldini, L. (author)
- Ballet, J. (author)
- Barbiellini, G. (author)
- Bastieri, D. (author)
- Baughman, B. M. (author)
- Bechtol, K. (author)
- Bellazzini, R. (author)
- Berenji, B. (author)
- Blandford, R. D. (author)
- Bloom, E. D. (author)
- Bogaert, G. (author)
- Bonamente, E. (author)
- Borgland, A. W. (author)
- Bregeon, J. (author)
- Brez, A. (author)
- Brigida, M. (author)
- Bruel, P. (author)
- Burnett, T. H. (author)
- Caliandro, G. A. (author)
- Cameron, R. A. (author)
- Caraveo, P. A. (author)
- Casandjian, J. M. (author)
- Cavazzuti, E. (author)
- Cecchi, C. (author)
- Charles, E. (author)
- Chekhtman, A. (author)
- Cheung, C. C. (author)
- Chiang, J. (author)
- Ciprini, S. (author)
- Claus, R. (author)
- Cohen-Tanugi, J. (author)
- Colafrancesco, S. (author)
- Costamante, L. (author)
- Cutini, S. (author)
- Dermer, C. D. (author)
- de Angelis, A. (author)
- de Palma, F. (author)
- Digel, S. W. (author)
- Silva, E. D. E. (author)
- Drell, P. S. (author)
- Dubois, R. (author)
- Dumora, D. (author)
- Edmonds, Y. (author)
- Farnier, C. (author)
- Favuzzi, C. (author)
- Ferrara, E. C. (author)
- Fleury, P. (author)
- Focke, W. B. (author)
- Foschini, L. (author)
- Frailis, M. (author)
- Fuhrmann, L. (author)
- Fukazawa, Y. (author)
- Funk, S. (author)
- Fusco, P. (author)
- Gargano, F. (author)
- Gasparrini, D. (author)
- Gehrels, N. (author)
- Germani, S. (author)
- Giebels, B. (author)
- Giglietto, N. (author)
- Giordano, F. (author)
- Giroletti, M. (author)
- Glanzman, T. (author)
- Godfrey, G. (author)
- Grenier, I. A. (author)
- Grondin, M. H. (author)
- Grove, J. E. (author)
- Guillemot, L. (author)
- Guiriec, S. (author)
- Harding, A. K. (author)
- Hartman, R. C. (author)
- Hayashida, M. (author)
- Hays, E. (author)
- Healey, S. E. (author)
- Hughes, R. E. (author)
- Johannesson, G. (author)
- Johnson, A. S. (author)
- Johnson, R. P. (author)
- Johnson, W. N. (author)
- Kadler, M. (author)
- Kamae, T. (author)
- Katagiri, H. (author)
- Kataoka, J. (author)
- Kawai, N. (author)
- Kerr, M. (author)
- Knodlseder, J. (author)
- Kocian, M. L. (author)
- Kuehn, F. (author)
- Kuss, M. (author)
- Latronico, L. (author)
- Lee, S. H. (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)
- Marelli, M. (author)
- Mazziotta, M. N. (author)
- McEnery, J. E. (author)
- McGlynn, S. (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)
- 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)
- Panetta, J. H. (author)
- Parent, D. (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)
- Reposeur, T. (author)
- Reyes, L. C. (author)
- Ritz, S. (author)
- Rochester, L. S. (author)
- Rodriguez, A. Y. (author)
- Romani, R. W. (author)
- Roth, M. (author)
- Ryde, F. (author)
- Sadrozinski, H. F. W. (author)
- Sambruna, R. (author)
- Sanchez, D. (author)
- Sander, A. (author)
- Parkinson, P. M. S. (author)
- Sgro, C. (author)
- Shaw, M. S. (author)
- Siskind, E. J. (author)
- Smith, D. A. (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)
- Thayer, J. B. (author)
- Thayer, J. G. (author)
- Thompson, D. J. (author)
- Tibaldo, L. (author)
- Tibolla, O. (author)
- Torres, D. F. (author)
- Tosti, G. (author)
- Tramacere, A. (author)
- Usher, T. L. (author)
- Vilchez, N. (author)
- Vitale, V. (author)
- Waite, A. P. (author)
- Wang, P. (author)
- Winer, B. L. (author)
- Wood, K. S. (author)
- Ziegler, M. (author)
- Edwards, P. G. (author)
- Chester, M. M. (author)
- Burrows, D. N. (author)
- Hauser, M. (author)
- Wagner, S. (author)
- show less...
- (creator_code:org_t)
- 2009
- 2009
- English.
- In: Astrophysical Journal. - 0004-637X .- 1538-4357. ; 697:1, s. 934-941
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- We report the discovery by the Large Area Telescope (LAT) onboard the Fermi Gamma-Ray Space Telescope of high-energy gamma-ray (GeV) emission from the flat-spectrum radio quasar PKS 1454-354 (z = 1.424). On 2008 September 4, the source rose to a peak flux of (3.5 +/- 0.7) x 10(-6) ph cm(-2) s(-1) (E > 100 MeV) on a timescale of hours and then slowly dropped over the following 2 days. No significant spectral changes occurred during the flare. Fermi/LAT observations also showed that PKS 1454-354 is the most probable counterpart of the unidentified EGRET source 3EG J1500-3509. Multiwavelength measurements performed during the following days (7 September with Swift; 6-7 September with the ground-based optical telescope Automated Telescope for Optical Monitoring; 13 September with the Australia Telescope Compact Array) resulted in radio, optical, UV, and X-ray fluxes greater than archival data, confirming the activity of PKS 1454-354.
Subject headings
- 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)
Keyword
- Fysik
- Physics
- galaxies: active
- Extragalactical astronomy
- Astronomy
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Abdo, A. A.
- Ackermann, M.
- Atwood, W. B.
- Axelsson, M.
- Baldini, L.
- Ballet, J.
- show more...
- Barbiellini, G.
- Bastieri, D.
- Baughman, B. M.
- Bechtol, K.
- Bellazzini, R.
- Berenji, B.
- Blandford, R. D.
- Bloom, E. D.
- Bogaert, G.
- Bonamente, E.
- Borgland, A. W.
- Bregeon, J.
- Brez, A.
- Brigida, M.
- Bruel, P.
- Burnett, T. H.
- Caliandro, G. A.
- Cameron, R. A.
- Caraveo, P. A.
- Casandjian, J. M ...
- Cavazzuti, E.
- Cecchi, C.
- Charles, E.
- Chekhtman, A.
- Cheung, C. C.
- Chiang, J.
- Ciprini, S.
- Claus, R.
- Cohen-Tanugi, J.
- Colafrancesco, S ...
- Conrad, J.
- Costamante, L.
- Cutini, S.
- Dermer, C. D.
- de Angelis, A.
- de Palma, F.
- Digel, S. W.
- Silva, E. D. E.
- Drell, P. S.
- Dubois, R.
- Dumora, D.
- Edmonds, Y.
- Farnier, C.
- Favuzzi, C.
- Ferrara, E. C.
- Fleury, P.
- Focke, W. B.
- Foschini, L.
- Frailis, M.
- Fuhrmann, L.
- Fukazawa, Y.
- Funk, S.
- Fusco, P.
- Gargano, F.
- Gasparrini, D.
- Gehrels, N.
- Germani, S.
- Giebels, B.
- Giglietto, N.
- Giordano, F.
- Giroletti, M.
- Glanzman, T.
- Godfrey, G.
- Grenier, I. A.
- Grondin, M. H.
- Grove, J. E.
- Guillemot, L.
- Guiriec, S.
- Harding, A. K.
- Hartman, R. C.
- Hayashida, M.
- Hays, E.
- Healey, S. E.
- Hughes, R. E.
- Johannesson, G.
- Johnson, A. S.
- Johnson, R. P.
- Johnson, W. N.
- Kadler, M.
- Kamae, T.
- Katagiri, H.
- Kataoka, J.
- Kawai, N.
- Kerr, M.
- Knodlseder, J.
- Kocian, M. L.
- Kuehn, F.
- Kuss, M.
- Latronico, L.
- Lee, S. H.
- Lemoine-Goumard, ...
- Longo, F.
- Loparco, F.
- Lott, B.
- Lovellette, M. N ...
- Lubrano, P.
- Madejski, G. M.
- Makeev, A.
- Marelli, M.
- Mazziotta, M. N.
- McEnery, J. E.
- McGlynn, S.
- 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.
- Nuss, E.
- Ohno, M.
- Ohsugi, T.
- Ojha, R.
- Omodei, N.
- Orlando, E.
- Ormes, J. F.
- Paneque, D.
- Panetta, J. H.
- Parent, D.
- Pepe, M.
- Pesce-Rollins, M ...
- Piron, F.
- Porter, T. A.
- Raino, S.
- Rando, R.
- Razzano, M.
- Reimer, A.
- Reimer, O.
- Reposeur, T.
- Reyes, L. C.
- Ritz, S.
- Rochester, L. S.
- Rodriguez, A. Y.
- Romani, R. W.
- Roth, M.
- Ryde, F.
- Sadrozinski, H. ...
- Sambruna, R.
- Sanchez, D.
- Sander, A.
- Parkinson, P. M. ...
- Sgro, C.
- Shaw, M. S.
- Siskind, E. J.
- Smith, D. A.
- Smith, P. D.
- Spandre, G.
- Spinelli, P.
- Starck, J. L.
- Strickman, M. S.
- Suson, D. J.
- Tajima, H.
- Takahashi, H.
- Ylinen, T.
- Thayer, J. B.
- Thayer, J. G.
- Thompson, D. J.
- Tibaldo, L.
- Tibolla, O.
- Torres, D. F.
- Tosti, G.
- Tramacere, A.
- Usher, T. L.
- Vilchez, N.
- Vitale, V.
- Waite, A. P.
- Wang, P.
- Winer, B. L.
- Wood, K. S.
- Ziegler, M.
- Edwards, P. G.
- Chester, M. M.
- Burrows, D. N.
- Hauser, M.
- Wagner, S.
- show less...
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