<i>Hubble Space Telescope</i>and<i>Spitzer</i>Observations of the Afterglow and Host Galaxy of GRB 050904 at<i>z</i>= 6.295
E. BergerHubble FellowRanga‐Ram CharySpitzer Science Center, California Institute of Technology, Pasadena, CA 91125L. L. CowieInstitute for Astronomy, University of Hawaii, Honolulu, HI 96822P. A. PriceInstitute for Astronomy, University of Hawaii, Honolulu, HI 96822B. SchmidtResearch School of Astronomy and Astrophysics, Australian National University, Mount Stromlo Observatory, Weston Creek, ACT 2611, AustraliaD. B. FoxDepartment of Astronomy and Astrophysics, Pennsylvania State University, University Park, PA 16802S. B. CenkoSpace Radiation Laboratory, California Institute of Technology, Pasadena, CA 91125S. G. DjorgovskiDivision of Physics, Mathematics, and Astronomy, California Institute of Technology, Pasadena, CA 91125A. M. SoderbergDivision of Physics, Mathematics, and Astronomy, California Institute of Technology, Pasadena, CA 91125S. R. KulkarniDivision of Physics, Mathematics, and Astronomy, California Institute of Technology, Pasadena, CA 91125Patrick J. McCarthyObservatories of the Carnegie Institution of Washington, Pasadena, CA 91101Michael D. GladdersHubble FellowB. A. PetersonResearch School of Astronomy and Astrophysics, Australian National University, Mount Stromlo Observatory, Weston Creek, ACT 2611, AustraliaA. J. BargerDepartment of Astronomy, University of Wisconsin, Madison, WI 53706
2007en
ABI
Abstract
We present deep Hubble Space Telescope (HST) and Spitzer Space Telescope observations of GRB 050904 at z = 6.295. We detect the afterglow in the H band more than 3 weeks after the burst and confirm the presence of a jet break at t ≈ 2.1 days. This leads
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