Astrophysics

   

Stellar Distance and Velocity (Ii)

Authors: Miloš Čojanović

In this paper we will point out the systematic error, which is made using the parallax in determining the stellar distance. Instead of this method, we are proposing three methods that give more precise results in calculating the distance. In the first method we will use two consecutive parallaxes instead of one, which will allow us to determine the distance of the stars with negative parallaxes. In the second one we will present a method by which it is possible to measure a true parallax. The third method is already presented in [1] and here we will consider only one special case when the velocity of a star is calculated relative to the sun. We tested the methods using data obtained from the Gaia's catalogs.

Comments: 8 Pages.

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Submission history

[v1] 2020-01-11 20:52:32

Unique-IP document downloads: 5 times

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