Interpretation of High-z SN Spectra

P. Nugent, G. Aldering, R. Amanullah, P. Antilogus, P. Astier, C. Balland, G. Blanc, M. S. Burns, A. Conley, S. Deustua, R. Ellis, S. Fabbro, G. Folatelli, A. Fruchter, G. Garavini, R. Gibbons, G. Goldhaber, A. Goobar, D. E. Groom, D. HardinI. M. Hook, D. A. Howell, M. Irwin, D. Kasen, A. Kim, R. A. Knop, J. -M. Levy, C. Lidman, R. McMahon, M. Mouchet, S. Nobili, R. Pain, N. Panagia, E. Pécontal, C. R. Pennypacker, S. Perlmutter, R. Quimby, J. Raux, N. Regnault, P. Ruiz-Lapuente, B. Schaefer, K. Schahmaneche, A. L. Spadafora, N. Walton, L. Wang, W. M. Wood-Vasey, Supernova Cosmology Project Collaboration

Research output: Contribution to conferencePaper

Abstract

We present several quality spectra of high-redshift Type Ia Supernovae (SNe Ia) observed over the past 7 years by the Supernova Cosmology Project. These spectra are first and foremost used to classify the supernova type since non-Ia contamination can contribute a significant systematic error in the measurement of the cosmological parameters. A secondary effort is under way to use SNe Ia spectra at both high and low redshift as an independent tool to measure the intrinsic brightness of a supernova and to quantify/constrain possible evolutionary effects. PEN acknowledges ongoing support from the DOE and NASA.
Original languageEnglish
Pages84.01
Publication statusPublished - 1 Dec 2001

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