K-corrections and extinction corrections for Type Ia supernovae

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The measurement of the cosmological parameters from Type Ia supernovae hinges on our ability to compare nearby and distant supernovae accurately. Here we present an advance on a method for performing generalized K-corrections for Type Ia supernovae which allows us to compare these objects from the UV to near-IR over the redshift range 0 < z < 2. We discuss the errors currently associated with this method and how future data can improve upon it significantly. We also examine the effects of reddening on the K-corrections and the light curves of Type Ia supernovae. Finally, we provide a few examples ... continued below

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Nugent, Peter; Kim, Alex & Perlmutter, Saul May 21, 2002.

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The measurement of the cosmological parameters from Type Ia supernovae hinges on our ability to compare nearby and distant supernovae accurately. Here we present an advance on a method for performing generalized K-corrections for Type Ia supernovae which allows us to compare these objects from the UV to near-IR over the redshift range 0 < z < 2. We discuss the errors currently associated with this method and how future data can improve upon it significantly. We also examine the effects of reddening on the K-corrections and the light curves of Type Ia supernovae. Finally, we provide a few examples of how these techniques affect our current understanding of a sample of both nearby and distant supernovae.

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  • Journal Name: Publications of the Astronomical Society of the Pacific; Journal Volume: 114; Other Information: Journal Publication Date: August 2002

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  • Report No.: LBNL--50375
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 823198
  • Archival Resource Key: ark:/67531/metadc778973

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  • May 21, 2002

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 4, 2016, 3:24 p.m.

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Nugent, Peter; Kim, Alex & Perlmutter, Saul. K-corrections and extinction corrections for Type Ia supernovae, article, May 21, 2002; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc778973/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.