Кiнематика зiрок в межах кiлопарсеку вiд Сонця за даними наземних та космiчних спостереджень

Abstract

Velichko A.B. Kinematics of stars within a kiloparsec from the Sun using ground– and space–based observations. – Qualification scholarly paper: a manuscript. Thesis submitted for obtaining the Doctor of Philosophy degree in Natural Sciences, Speciality 104 – Physics and Astronomy. – V. N. Karazin Kharkiv National University, Ministry of Education and Science of Ukraine, Kharkiv, 2020. Kinematic investigations of stars located within the solar neighbourhood started 250 years ago. Since then, quantity and quality of astrometric data have increased significantly, a number of methods for kinematic analysis has been developed, structural components of the Galaxy and their motion features have been discovered. However, there are still some problems with the accuracy of determining parameters such as the galactocentric distance of the Sun, the speed of the local standard of rest, the rotational velocity of stars, belonging to subsystems in the solar environment, around the Galaxy’s center 𝑉rot, shape of the rotational curve of the Galaxy, and some others. Accuracy of determination of all these parameters affect the understanding of the structure and evolution of the Galaxy, the construction of its dynamic model.