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Title: Cosmological constraints on the local void with the union supernova compilation
Authors: Anh, H.L.T.
Ng, S.C.C. 
Issue Date: 30-Jul-2009
Citation: Anh, H.L.T.,Ng, S.C.C. (2009-07-30). Cosmological constraints on the local void with the union supernova compilation. International Journal of Modern Physics A 24 (18-19) : 3531-3537. ScholarBank@NUS Repository.
Abstract: A simple inhomogeneous cosmological model with a local void is constrained with the latest Union supernova compilation. To fit the supernova data, a large local void on the scales of 1 Gpc is found, contrary to the small scales of 200 Mpc in the previous finding. A more realistic inhomogeneous cosmological model may be required to fit the supernova data. Alternatively, a clumpy universe with α < 1 can fit the supernova data with reduced local void scales. © 2009 World Scientific Publishing Company.
Source Title: International Journal of Modern Physics A
ISSN: 0217751X
Appears in Collections:Staff Publications

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