A fitting function for the SNAP data
Abstract
A mathematically motivated fitting function for analyzing supernovae distance-redshift data is suggested. It is pointed out that this function can be useful in analyzing SNAP data. To illustrate our method, we analyze current experimental data which includes 78 supernovae and 20 radio galaxies. From these data we obtain vacuum equation of state in a model independent way. We show that the flat Universe model with a cosmological constant is in a good agreement with observations.
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