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 data set of low-redshift nearby-Hubble-flow SNe, and new analysis procedures to work with these heterogeneous compilations. This "Union" compilation of 414 SNe Ia, which reduces to 307 SNe after selection cuts, includes the recent la...

Subject

Physics

Cosmic microwave background

Dark energy

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