First-Year Sloan Digital Sky Survey-II Supernova Results: Hubble Diagram and Cosmological Parameters

@article{Kessler2009FirstYearSD,
  title={First-Year Sloan Digital Sky Survey-II Supernova Results: Hubble Diagram and Cosmological Parameters},
  author={R. Kessler and A. Becker and D. Cinabro and J. Vanderplas and J. Frieman and J. Marriner and T. Davis and B. Dilday and J. Holtzman and S. Jha and H. Lampeitl and M. Sako and M. Smith and C. Zheng and R. Nichol and B. Bassett and R. Bender and D. Depoy and M. Doi and E. Elson and A. Filippenko and R. Foley and P. Garnavich and U. Hopp and Y. Ihara and W. Ketzeback and W. Kollatschny and K. Konishi and J. Marshall and R. McMillan and G. Miknaitis and T. Morokuma and E. Mortsell and K. Pan and J. Prieto and M. Richmond and A. Riess and R. Romani and D. Schneider and J. Sollerman and N. Takanashi and K. Tokita and K. V. D. Heyden and J. Wheeler and N. Yasuda and D. York},
  journal={Astrophysical Journal Supplement Series},
  year={2009},
  volume={185},
  pages={32-84}
}
  • R. Kessler, A. Becker, +43 authors D. York
  • Published 2009
  • Physics
  • Astrophysical Journal Supplement Series
  • We present measurements of the Hubble diagram for 103 Type Ia supernovae (SNe) with redshifts 0.04 < z < 0.42, discovered during the first season (Fall 2005) of the Sloan Digital Sky Survey-II (SDSS-II) Supernova Survey. These data fill in the redshift "desert" between low- and high-redshift SN Ia surveys. Within the framework of the MLCS2K2 light-curve fitting method, we use the SDSS-II SN sample to infer the mean reddening parameter for host galaxies, RV = 2.18 ± 0.14stat ± 0.48syst, and find… CONTINUE READING
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