Closing in on a Short-Hard Burst Progenitor: Constraints from Early-Time Optical Imaging and Spectroscopy of a Possible Host Galaxy of GRB 050509b

@article{Bloom2005ClosingIO,
  title={Closing in on a Short-Hard Burst Progenitor: Constraints from Early-Time Optical Imaging and Spectroscopy of a Possible Host Galaxy of GRB 050509b},
  author={J. Bloom and J. Prochaska and D. Pooley and C. Blake and R. Foley and S. Jha and E. Ramirez-Ruiz and J. Granot and A. Filippenko and S. Sigurdsson and A. J. Barth and H. Chen and M. Cooper and E. Falco and R. Gal and B. Gerke and M. Gladders and J. Greene and J. Hennanwi and L. Ho and K. Hurley and B. Koester and W. Li and L. Lubin and J. Newman and D. Perley and G. Squires and W. M. Wood-Vasey},
  journal={The Astrophysical Journal},
  year={2005},
  volume={638},
  pages={354-368}
}
  • J. Bloom, J. Prochaska, +25 authors W. M. Wood-Vasey
  • Published 2005
  • Physics
  • The Astrophysical Journal
  • The localization of the short-duration, hard-spectrum gamma-ray burst GRB 050509b by the Swift satellite was a watershed event. We report the discovery of the probable host galaxy, a bright elliptical galaxy at z = 0.2248. This is the first known redshift and host of a short-hard GRB and shows that at least some short-hard GRBs are cosmological in origin. We began imaging the GRB field 8 minutes after the burst and continued for 8 days. We present a reanalysis of the XRT afterglow and report… CONTINUE READING
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