The High-Z Supernova Search: Measuring Cosmic Deceleration and Global Curvature of the Universe Usin

  title={The High-Z Supernova Search: Measuring Cosmic Deceleration and Global Curvature of the Universe Usin},
  author={B. Schmidt and N. Suntzeff and M. Phillips and R. Schommer and A. Clocchiatti and R. Kirshner and P. Garnavich and P. Challis and B. Leibundgut and J. Spyromilio and A. Riess and A. Filippenko and M. Hamuy and R. Smith and C. Hogan and C. W. Stubbs and A. Diercks and D. Reiss and R. Gilliland and J. Tonry and J. Maza and A. Dressler and J. Walsh and R. Ciardullo},
  journal={The Astrophysical Journal},
  • B. Schmidt, N. Suntzeff, +21 authors R. Ciardullo
  • Published 1998
  • Physics
  • The Astrophysical Journal
  • The High-Z Supernova Search is an international collaboration to discover and monitor Type Ia supernovae (SNe Ia) at z > 0.2 with the aim of measuring cosmic deceleration and global curvature. Our collaboration has pursued a basic understanding of supernovae in the nearby universe, discovering and observing a large sample of objects and developing methods to measure accurate distances with SNe Ia. This paper describes the extension of this program to z ≥ 0.2, outlining our search techniques and… CONTINUE READING
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