GRB 090423 at a redshift of z ≈ 8.1

P. Giommi | Giancarlo Cusumano | Sergio Campana | Emilio Molinari | John A. Nousek | D. M. Palmer | Lorenzo Amati | Gianpiero Tagliaferri | E. E. Fenimore | Simon Holland | Dino Fugazza | S. Piranomonte | Filippo Mannucci | Craig B. Markwardt | L. A. Antonelli | Scott D. Barthelmy | Lucio Angelo Antonelli | Cristiano Guidorzi | S. Marinoni | Claudio Pagani | L. K. Hunt | Stefano Covino | Alberto Fernandez-Soto | M. Della Valle | Guido Chincarini | M. De Pasquale | Ruben Salvaterra | Luigi Stella | Gian Luca Israel | Paolo D'Avanzo | Judith Lea Racusin | F. E. Marshall | Raffaella Margutti | Nicola Masetti | Elena Pian | Vincenzo Testa | Christina C. Thöne | Elisabetta Maiorano | Fabrizio Fiore | F. Mannucci | D. Palmer | S. Barthelmy | N. Masetti | E. Palazzi | E. Pian | P. Giommi | R. Margutti | E. Fenimore | M. Valle | J. Nousek | G. Tagliaferri | E. Molinari | L. Stella | G. Chincarini | C. Guidorzi | V. D’Elia | J. Racusin | S. Holland | S. Covino | P. D’Avanzo | D. Fugazza | A. Fernández-Soto | R. Salvaterra | V. Testa | L. Hunt | S. Marinoni | C. Pagani | M. Pasquale | S. Holland | F. Fiore | G. Cusumano | S. Campana | F. Marshall | P. Ferrero | L. Amati | E. Maiorano | G. Andreuzzi | G. Israel | C. Markwardt | K. Hurley | S. Piranomonte | J. Mao | D. Guetta | G. Cusumano | L. Stella | Eliana Palazzi | Valerio D'Elia | G. Andreuzzi | Patrizia Ferrero | K. Hurley | Jirong Mao | C. Thöne | G. Israel | F. Fiore | Dafne Guetta | M. D. Valle | J. Nousek | J. Mao | K. Hurley | C. Thöne | L. Antonelli | Louis Antonelli | L. Antonelli

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