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Constraints on Cosmological Models from Hubble Space Telescope Observations of High-z Supernovae

Garnavich, Peter M; Kirshner, Robert P; Challis, Peter M; Tonry, John; Gilliland, Ron; Smith, R.C.; Clocchiatti, Alejandro; Diercks, Alan; Filippenko, A V; Hamuy, M; Hogan, Craig; Schmidt, Brian


We have coordinated Hubble Space Telescope (HST) photometry with ground-based discovery for three supernovae: Type Ia supernovae near z~0.5 (SN 1997ce, SN 1997cj) and a third event at z=0.97 (SN 1997ck). The superb spatial resolution of HST separates each supernova from its host galaxy and leads to good precision in the light curves. We use these light curves and relations between luminosity, light-curve shape, and color calibrated from low-z samples to derive relative luminosity distances that...[Show more]

CollectionsANU Research Publications
Date published: 1998
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.1086/311140
Access Rights: Open Access


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