SWIFT AND FERMI OBSERVATIONS OF THE EARLY AFTERGLOW OF THE SHORT GAMMA-RAY BURST 090510

De Pasquale, M; Schady, P; Npm, Kuin; Page, Mj; Curran, Pa; Zane, S; Oates, Sr; Holland, St; Breeveld, Aa; Hoversten, Ea; Chincarini, G; Grupe, D; Abdo, Aa; Ackermann, M; Ajello, M; Axelsson, M; Baldini, L; Ballet, J; Barbiellini, G; Baring, Mg; Bastieri, D; Bechtol, K; Bellazzini, R; Berenji, B; Bissaldi, Elisabetta; Blandford, Rd; Bloom, Ed; Bonamente, E; Borgland, Aw; Bouvier, A; Bregeon, J; Brez, A; Briggs, Ms; Brigida, M; Bruel, P; Burnett, Th; Buson, S; Caliandro, Ga; Cameron, Ra; Caraveo, Pa; Carrigan, S; Casandjian, Jm; Cecchi, C; Celik, O; Chekhtman, A; Chiang, J; Ciprini, S; Claus, R; Cohen Tanugi, J; Connaughton, V; Conrad, J; Dermer, Cd; de Angelis, A; de Palma, F; Dingus, Bl; Ede, Silva; Drell, Ps; Dubois, R; Dumora, D; Farnier, C; Favuzzi, Cecilia; Fegan, Sj; Fishman, G; Focke, Wb; Frailis, M; Fukazawa, Y; Funk, S; Fusco, P; Gargano, F; Gasparrini, D; Gehrels, N; Germani, S; Giglietto, Nicola; Giordano, F; Glanzman, T; Godfrey, G; Granot, J; Greiner, J; Grenier, Ia; Grove, Je; Guillemot, L; Guiriec, S; Harding, Ak; Hayashida, M; Hays, E; Horan, D; Hughes, Re; Jackson, Ms; Johannesson, G; Johnson, As; Johnson, Wn; Kamae, T; Katagiri, H; Kataoka, J; Kawai, N; Kerr, M; Kippen, Rm; Knodlseder, J; Kocevski, D; Kuss, M; Lande, J; Latronico, L; Lemoine Goumard, M; Longo, F; Loparco, F; Lott, B; Lovellette, Mn; Lubrano, P; Makeev, A; Mazziotta, Mn; Mcenery, Je; Mcglynn, S; Meegan, C; Meszaros, P; Meurer, C; Michelson, Pf; Mitthumsiri, W; Mizuno, T; Monte, C; Monzani, Me; Moretti, E; Morselli, A; Moskalenko, Iv; Murgia, S; Nolan, Pl; Norris, Jp; Nuss, E; Ohno, M; Ohsugi, T; Omodei, N; Orlando, E; Ormes, Jf; Paciesas, Ws; Paneque, D; Panetta, Jh; Parent, D; Pelassa, V; Pepe, M; Pesce Rollins, M; Piron, F; Porter, Ta; Preece, R; Raino, S; Rando, R; Razzano, M; Reimer, A; Reimer, O; Reposeur, T; Ritz, S; Rochester, Ls; Rodriguez, Ay; Roth, M; Ryde, F; Hfw, Sadrozinski; Sander, A; Pms, Parkinson; Scargle, Jd; Schalk, Tl; Sgro, C; Siskind, Ej; Smith, Pd; Spandre, G; Spinelli, P; Stamatikos, M; Starck, Jl; Stecker, Fw; Strickman, Ms; Suson, Dj; Tajima, H; Takahashi, H; Tanaka, T; Thayer, Jb; Thayer, Jg; Thompson, Dj; Tibaldo, L; Toma, K; Torres, Df; Tosti, G; Tramacere, A; Uchiyama, Y; Uehara, T; Usher, Tl; van der Horst AJ,; Vasileiou, V; Vilchez, N; Vitale, V; von Kienlin, A; Waite, Ap; Wang, P; Winer, Bl; Wood, Ks; Xf, Wu; Yamazaki, R; Ylinen, T; Ziegler, M.

doi:10.1088/2041-8205/709/2/L146

We present the observations of GRB090510 performed by the Fermi Gamma-Ray Space Telescope and the Swift observatory. This is a bright, short burst that shows an extended emission detected in the GeV range. Furthermore, its optical emission initially rises, a feature so far observed only in long bursts, while the X-ray flux shows an initial shallow decrease, followed by a steeper decay. This exceptional behavior enables us to investigate the physical properties of the gamma-ray burst outflow, poorly known in short bursts. We discuss internal and external shock models for the broadband energy emission of this object.

SWIFT AND FERMI OBSERVATIONS OF THE EARLY AFTERGLOW OF THE SHORT GAMMA-RAY BURST 090510 / De Pasquale, M; Schady, P; Kuin, Npm; Page, Mj; Curran, Pa; Zane, S; Oates, Sr; Holland, St; Breeveld, Aa; Hoversten, Ea; Chincarini, G; Grupe, D; Abdo, Aa; Ackermann, M; Ajello, M; Axelsson, M; Baldini, L; Ballet, J; Barbiellini, G; Baring, Mg; Bastieri, D; Bechtol, K; Bellazzini, R; Berenji, B; Bissaldi, Elisabetta; Blandford, Rd; Bloom, Ed; Bonamente, E; Borgland, Aw; Bouvier, A; Bregeon, J; Brez, A; Briggs, Ms; Brigida, M; Bruel, P; Burnett, Th; Buson, S; Caliandro, Ga; Cameron, Ra; Caraveo, Pa; Carrigan, S; Casandjian, Jm; Cecchi, C; Celik, O; Chekhtman, A; Chiang, J; Ciprini, S; Claus, R; Cohen Tanugi, J; Connaughton, V; Conrad, J; Dermer, Cd; de Angelis, A; de Palma, F; Dingus, Bl; Silva, Ede; Drell, Ps; Dubois, R; Dumora, D; Farnier, C; Favuzzi, Cecilia; Fegan, Sj; Fishman, G; Focke, Wb; Frailis, M; Fukazawa, Y; Funk, S; Fusco, P; Gargano, F; Gasparrini, D; Gehrels, N; Germani, S; Giglietto, Nicola; Giordano, F; Glanzman, T; Godfrey, G; Granot, J; Greiner, J; Grenier, Ia; Grove, Je; Guillemot, L; Guiriec, S; Harding, Ak; Hayashida, M; Hays, E; Horan, D; Hughes, Re; Jackson, Ms; Johannesson, G; Johnson, As; Johnson, Wn; Kamae, T; Katagiri, H; Kataoka, J; Kawai, N; Kerr, M; Kippen, Rm; Knodlseder, J; Kocevski, D; Kuss, M; Lande, J; Latronico, L; Lemoine Goumard, M; Longo, F; Loparco, F; Lott, B; Lovellette, Mn; Lubrano, P; Makeev, A; Mazziotta, Mn; Mcenery, Je; Mcglynn, S; Meegan, C; Meszaros, P; Meurer, C; Michelson, Pf; Mitthumsiri, W; Mizuno, T; Monte, C; Monzani, Me; Moretti, E; Morselli, A; Moskalenko, Iv; Murgia, S; Nolan, Pl; Norris, Jp; Nuss, E; Ohno, M; Ohsugi, T; Omodei, N; Orlando, E; Ormes, Jf; Paciesas, Ws; Paneque, D; Panetta, Jh; Parent, D; Pelassa, V; Pepe, M; Pesce Rollins, M; Piron, F; Porter, Ta; Preece, R; Raino, S; Rando, R; Razzano, M; Reimer, A; Reimer, O; Reposeur, T; Ritz, S; Rochester, Ls; Rodriguez, Ay; Roth, M; Ryde, F; Sadrozinski, Hfw; Sander, A; Parkinson, Pms; Scargle, Jd; Schalk, Tl; Sgro, C; Siskind, Ej; Smith, Pd; Spandre, G; Spinelli, P; Stamatikos, M; Starck, Jl; Stecker, Fw; Strickman, Ms; Suson, Dj; Tajima, H; Takahashi, H; Tanaka, T; Thayer, Jb; Thayer, Jg; Thompson, Dj; Tibaldo, L; Toma, K; Torres, Df; Tosti, G; Tramacere, A; Uchiyama, Y; Uehara, T; Usher, Tl; van der Horst, Aj; Vasileiou, V; Vilchez, N; Vitale, V; von Kienlin, A; Waite, Ap; Wang, P; Winer, Bl; Wood, Ks; Wu, Xf; Yamazaki, R; Ylinen, T; Ziegler, M.. - In: THE ASTROPHYSICAL JOURNAL LETTERS. - ISSN 2041-8205. - STAMPA. - 709:2(2010), pp. L146-L151. [10.1088/2041-8205/709/2/L146]