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The High-Z Supernova Search: Measuring Cosmic Deceleration and Global Curvature of the Universe Using Type IA Supernovae

Schmidt, Brian; Suntzeff, Nicholas B; Phillips, M. M.; Schommer, Robert; Clocchiatti, Alejandro; Kirshner, Robert P; Garnavich, Peter M; Challis, Peter M; Leibundgut, Bruno; Spyromilio, Jason; Riess, Adam G.; Filippenko, Alexei V.; Hamuy, Mario; Smith, R. Chris; Hogan, Craig; Stubbs, Christopher; Diercks, Alan; Reiss, David; Gilliland, Ron; Tonry, John; Maza, José; Dressler, A.; Walsh, J.; Ciardullo, R.


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...[Show more]

CollectionsANU Research Publications
Date published: 1998
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.1086/306308
Access Rights: Open Access


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