Pantheon update on a model-independent analysis of cosmological supernova data

13 Jan 2020 Çamlıbel A. K. Semiz İ. Feyizoğlu M. A.

We present an update of our previous work, necessitated by availability of a significantly improved dataset. The work is a model-independent analysis of the cosmological supernova (Type Ia) data, where function families are fit to the data in form of luminosity distance as function of redshift, that is, $d_{L}(z)$; and subsequently time-derivatives of the scale function $a(t)$ are $analytically$ derived, but as functions of $z$, without making assumptions about of gravity or the contents of the universe... (read more)

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Categories


  • COSMOLOGY AND NONGALACTIC ASTROPHYSICS
  • GENERAL RELATIVITY AND QUANTUM COSMOLOGY