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机译:Unveiling the origin of GRB090709A: Lack of periodicity in a reddened cosmological long-duration gamma-ray burst
Department of Astronomy, University of California, Berkeley, CA 94720-3411, United States;
Division of Physics, Mathematics and Astronomy, California Institute of Technology, Pasadena, CA 91125, United States;
National Radio Astronomy Observatory, 1003 Lopezville Road, Socorro, NM 87801, United StatesInstituto de Astrofísica de Andalucía (IAA-CSIC), Apartado de Correos, 3.004, E-18.080 Granada, SpainInstituto de Astrofísica de Canarias, 38205 La Laguna, SpainDepartment of Physics, Royal Military College of Canada, Kingston, ON, CanadaINAF/Osservatorio Astronomico di Brera, via Bianchi 46 LC, 23807 Merate, ItalyLawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, United States;