THE FIRST INFRARED STUDY OF THE CLOSE ENVIRONMENT OF A LONG GAMMA-RAY BURST*

@article{Floch2012THEFI,
  title={THE FIRST INFRARED STUDY OF THE CLOSE ENVIRONMENT OF A LONG GAMMA-RAY BURST*},
  author={E. Floch and V.Charmandaris and K.Gordon and W.J.Forrest and B.Brandl and D.Schaerer and M.Dessauges-Zavadsky L.Armus Ceaaim and France. and U. Crete and Greece. and Obs.de Paris and Iesl and Stsci and Baltimore. and Usa and Univ.of Rochester and L. Obs. and Netherlands. and G. Obs. and Switzerland. and Cnrsirap and Spitzer Science Center and Pasadena},
  journal={The Astrophysical Journal},
  year={2012},
  volume={746},
  pages={7}
}
  • E. Floch, V.Charmandaris, +20 authors Pasadena
  • Published 2012
  • Physics
  • The Astrophysical Journal
  • We present a characterization of the close environment of GRB 980425 based on 5-160 μm spectro-imaging obtained with Spitzer. The gamma-ray burst GRB 980425 occurred in a nearby (z = 0.0085) SBc-type dwarf galaxy at a projected distance of 900 pc from an H II region with strong signatures of Wolf-Rayet (WR) stars. While this "WR region" produces less than 5% of the B-band emission of the host, we find that it is responsible for 45% ± 10% of the total infrared luminosity, with a maximum… CONTINUE READING
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