An extremely luminous X-ray outburst at the birth of a supernova

@article{Soderberg2008AnEL,
  title={An extremely luminous X-ray outburst at the birth of a supernova},
  author={Alicia Margarita Soderberg and Edo Berger and Kim L. Page and Patricia Schady and Jerod Parrent and David Pooley and X.-Y. Wang and Eran. O. Ofek and A. Cucchiara and Arne Rau and Eli Waxman and Joshua D. Simon and Douglas C.-J. Bock and Peter A. Milne and M. J. Page and John C. Barentine and Scott Douglas Barthelmy and Andrew P. Beardmore and Michael F. Bietenholz and Peter. J. Brown and Adam S. Burrows and David N. Burrows and G. Byrngelson and S. Bradley Cenko and Poonam Chandra and Jay R. Cummings and Derek B. Fox and Avishay Gal-yam and Neil A. Gehrels and Stefan Immler and Mansi M. Kasliwal and Albert K. H. Kong and Hans A. Krimm and Shrinivas R. Kulkarni and Thomas J. Maccarone and P{\'e}ter M{\'e}sz{\'a}ros and Ehud Nakar and P. T. O’Brien and Roderik A. Overzier and Massimiliano de Pasquale and Judith L. Racusin and Nanda Rea and Donald G. York},
  journal={Nature},
  year={2008},
  volume={453},
  pages={469-474}
}
Massive stars end their short lives in spectacular explosions—supernovae—that synthesize new elements and drive galaxy evolution. Historically, supernovae were discovered mainly through their ‘delayed’ optical light (some days after the burst of neutrinos that marks the actual event), preventing observations in the first moments following the explosion. As a result, the progenitors of some supernovae and the events leading up to their violent demise remain intensely debated. Here we report the… 

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