Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/16549
Title: Cosmological model with a local void and observational constraints.
Authors: HO LE TUAN ANH
Keywords: cosmology, inhomogeneous model, local void, supernovae, SCP Union compilation
Issue Date: 20-Jul-2009
Source: HO LE TUAN ANH (2009-07-20). Cosmological model with a local void and observational constraints.. ScholarBank@NUS Repository.
Abstract: A simple inhomogeneous cosmological model with a local void is constrained with the latest SCP Union supernova compilation. To fit the supernova data, a large local void on a scale of 1 Gpc is found, contrary to the 200-Mpc scales from previous results. A more realistic inhomogeneous cosmological model may be required to fit the supernova data. Alternatively, a clumpy universe with clumpiness parameter < 1 can fit the supernova data with reduced local void scales.
URI: http://scholarbank.nus.edu.sg/handle/10635/16549
Appears in Collections:Master's Theses (Open)

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