Astrophysics

   

A `constant Lagrangian' RMW-RSS Quantified Fit of the Galaxy Rotation Curves of the Complete Sparc Database of 175 LTG Galaxies.

Authors: E.P.J. de Haas

In this paper I categorize and analyze the `constant Lagrangian' model fits I made of the complete SPARC database of 175 LTG galaxies. The difference with the previous papers is the application of the RMWRSS (Root Mean Weighted Residual Sum of Squares) method to quantify the quality of the fit, using a continuous curve. Of the 175 galaxies, 77 allowed a single fit rotation curve, so about 44 percent. Another 18 galaxies could almost be plotted on a single fit. Then 13 galaxies could be fitted really nice on crossing dual curves. The reason for the appearance of this dual curve, in its two versions, could be given and related to the galactic constitution and dynamics. From then on, the fitting got more and more complex. So I got a 44 percent positive rate for a direct fit of the measured rotation curves on the prime model. This result rules out stochastic coincidence as an explanation of those fits.

Comments: 69 Pages.

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Submission history

[v1] 2019-08-12 05:44:59

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