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    • Keywords


      Galaxies: evolution, high-redshift, dust; Gamma-ray Bursts

    • Abstract


      We have obtainedK-band imaging observations of Gamma-Ray Burst (GRB) host galaxies with the near-infrared spectro-imager ISAAC installed on the Very Large Telescope at Paranal (Chile). The derivedK magnitudes, combined with other photometric data taken from the literature, are used to investigate theR-K colors of GRB hosts. We do not find any extremely reddened starbursts in our sample, despite the capability of GRBs to trace star formation even in dusty regions. The observedR-K colors are on the contrary typical of irregular and spiral blue galaxies at high redshift.

    • Author Affiliations


      E. Le Floc’h1 I. F. Mirabel1 P. -A. Duc1

      1. CEA-Saclay, Service d’Astrophysique, France
    • Dates

  • Journal of Astrophysics and Astronomy | News

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      Posted on January 27, 2016

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