Impact of cosmic inhomogeneities on SNe observations


Autoria(s): Kainulainen, Kimmo; Marra, Valerio
Contribuinte(s)

University of Helsinki, Helsinki Institute of Physics

University of Helsinki, Helsinki Institute of Physics

Data(s)

2010

Resumo

We study the impact of cosmic inhomogeneities on the interpretation of SNe observations. We build an inhomogeneous universe model that can confront supernova data and yet is reasonably well compatible with the Copernican Principle. Our model combines a relatively small local void, that gives apparent acceleration at low redshifts, with a meatball model that gives sizeable lensing (dimming) at high redshifts. Together these two elements, which focus on different effects of voids on the data, allow the model to mimic the concordance model.

Formato

8

Identificador

http://hdl.handle.net/10138/24238

Idioma(s)

eng

Fonte

Kainulainen , K & Marra , V 2010 , Impact of cosmic inhomogeneities on SNe observations , AIP Conference Proceedings 1241 1 American Institute of Physics . , 10.1063/1.3462598

Palavras-Chave #astro-ph.CO #gr-qc #114 Physical sciences
Tipo

A4 Article in conference publication (refereed)

info:eu-repo/semantics/conferencePaper