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Cosmological Results from High-z Supernovae

Tonry, John; Schmidt, Brian; Barris, Brian; Candia, Pablo; Challis, Peter M; Clocchiatti, Alejandro; Coil, Alison L; Filippenko, Alexei; Garnavich, Peter M; Hogan, Craig; Holland, Stephen T.; Jha, Saurabh; Kirshner, Robert P; Krisciunas, Kevin; Leibundgut, Bruno; Li, Weidong; Matheson, Thomas; Phillips, Mark M; Riess, Adam; Smith, R. Chris; Sollerman, Jesper; Spyromilio, Jason; Stubbs, Christopher W; Suntzeff, Nicholas B; Schommer, Robert

Description

The High-z Supernova Search Team has discovered and observed eight new supernovae in the redshift interval z = 0.3-1.2. These independent observations, analyzed by similar but distinct methods, confirm the results of Riess and Perlmutter and coworkers that supernova luminosity distances imply an accelerating universe. More importantly, they extend the redshift range of consistently observed Type Ia supernovae (SNe Ia) to z ≈ 1, where the signature of cosmological effects has the opposite sign...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
URI: http://hdl.handle.net/1885/87981
Source: Astrophysical Journal, The
DOI: 10.1086/376865

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