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Hubble Space Telescope Observations of Nine High-Redshift ESSENCE Supernovae1

Krisciunas, Kevin; Garnavich, Peter M; Challis, Peter M; Prieto, Jose Luis; Riess, Adam; Barris, Brian; Aguilera, Claudio; Becker, Andrew C; Blondin, Stephane; Chornock, Ryan; Clocchiatti, Alejandro; Covarrubias, Ricardo; Filippenko, Alexei; Foley, Ryan; Hicken, Malcolm; Jha, Saurabh; Kirshner, Robert P; Leibundgut, Bruno; Li, Weidong; Matheson, Thomas; Miceli, Anthony; Miknaitis, Gajus; Rest, Armin; Salvo, Maria; Smith, R. Chris; Sollerman, Jesper; Spyromilio, Jason; Stubbs, Christopher; Suntzeff, Nicholas B; Tonry, John; Wood-Vasey, W. Michael

Description

We present broadband light curves of nine supernovae ranging in redshift from 0.5 to 0.8. The supernovae were discovered as part of the ESSENCE project, and the light curves are a combination of Cerro Tololo 4 m and Hubble Space Telescope (HST) photometry. On the basis of spectra and/or light-curve fitting, eight of these objects are definitely Type la supernovae, while the classification of one is problematic. The ESSENCE project is a 5 yr endeavor to discover about 200 high-redshift Type la...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
URI: http://hdl.handle.net/1885/80495
Source: Astronomical Journal
DOI: 10.1086/497640

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