Astrophysics

   

Rotation Curves and Dark Matter

Authors: A. Lipovka

In present paper we argue that to explain the shape of the Rotation Curves (RC) of galaxies, there is no need to involve the concept of dark matter. Rotation curves are completely determined by the distribution of baryon matter and gas kinetics. Such parameters of the galaxy as barion mass and its distribution can be easily calculated from the observed RC. We show the extended parts of RCs to be just a wind tails, formed by gas of the outer disks in assumption that it obeys the laws of gas kinetics. As examples, the Galaxy, NGC7331 and NGC3198 are considered. We calculate total mass of the Galaxy and find it to be 23.7x10(10)M\_sun. For the NGC7331 and NGC3198 the calculated total masses are 37.6x10(10)M\_sun and 7.7x10(10)M\_sun respectively. Consequences for cosmology are discussed.

Comments: 18 Pages.

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Submission history

[v1] 2017-05-26 19:53:36
[v2] 2017-06-01 00:26:42
[v3] 2017-11-08 19:53:17

Unique-IP document downloads: 64 times

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