Sökning: "Abdullah Alsakka"

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  1. 1. Cosmological Constraints for a Varying Dark Energy Model

    Kandidat-uppsats, Umeå universitet/Institutionen för fysik

    Författare :Abdullah Alsakka; [2023]
    Nyckelord :Astronomy; Varying Dark Energy; Distances;

    Sammanfattning : This paper uses the Pantheon+ data set that consists of 1701 light curves of 1550 unique type IaSupernova to find constraints on various cosmological models and compare them with a varying darkenergy model proposed by Chevallier, Polarski and Linder in the early 2000s and analyze it deeper.The results show a tipping point from a decelerating universe to an accelerating one at a redshift ofz = 0. LÄS MER