Improved Cosmological Constraints from New, Old, and Combined Supernova Data Sets

Kowalski, M.; Rubin, D.; Aldering, G.; Agostinho, R.; Amadon, Alexis; Amanullah, R.; Balland, C.; Barbary, K.; A. Blanc, Guillermo; Challis, Peter; Conley, A.; Connolly, N.; Covarrubias, R.; Dawson, Kyle; E. Deustua, Susana; S. Ellis, Richard; Fabbro, S.; Fadeyev, V.; Fan, Xiaohui; D. Farris, Brian; Folatelli, G.; Frye, Brenda; Garavini, G.; L. Gates, E.; Germany, L.; Goldhaber, G.; Goldman, B.; Goobar, A.; E. Groom, D.; Haïssinski, J.; Hardin, D.; Hook, I.; Kent, S.; Kim, Alex; A. Knop, R.; Lidman, C.; Linder, E.; Méndez, Javier; Meyers, J.; J. Miller, G.; Moniez, M.; Mourão, A.; Jo Newberg, Heidi; Nobili, S.; Nugent, P.; Pain, R.; Perdereau, O.; Perlmutter, S.; M. Phillips, M.; Prasad, V.; Quimby, R.; Regnault, N.; Rich, J.; P. Rubenstein, Eric; Ruiz‐Lapuente, P.; Duarte Santos, Filipe; E. Schaefer, B.; A. Schommer, R.; C. Smith, R.; Soderberg, Alicia; L. Spadafora, A.; Strolger, Louis-Gregory; Strovink, M.; B. Suntzeff, N.; Suzuki, Norihiro; C. Thomas, R.; A. Walton, N.; Wang, L.; M. Wood‐Vasey, W.; L. Yun, J.; Supernova Cosmology Project), (The

doi:10.1086/589937

Public

Improved Cosmological Constraints from New, Old, and Combined Supernova Data Sets

Published in The Astrophysical Journal • Oct 17, 2008

Authors:

M. Kowalski

D. Rubin

G. Aldering

Abstract

We present a new compilation of Type Ia supernovae (SNe Ia), a new dataset of low-redshift nearby-Hubble-flow SNe and new analysis procedures to work with these heterogeneous compilations. This “Union ” compilation of 414 SN Ia, which reduces to 307 SNe after selection cuts, includes the recent larg...

Subject

Physics

Cosmic microwave background

Dark energy

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