Stars and substars nearest to the Sun: A study review |
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Authors: | V A Zakhozhay M A Babenko |
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Institution: | 16178. Karazin Kharkiv National University, pl. Svobody 4, Kharkiv, 61077, Ukraine 26178. Kherson State University, ul. 40 let Oktyabrya 27, Kherson, 73000, Ukraine
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Abstract: | The structure of the solar neighborhood and its position in the galaxy, including the galactocentric distances, are analyzed. Catalogues are examined of near-sun stars and substars, which are compiled from ground and space based observations in the optical and infrared spectral regions. The problem of classifying celestial bodies in the galaxy by astrophysical and cosmogonic criteria is discussed. The problem of determining the main characteristics of the nearest stars and substars is analyzed. The statistical relationships are investigated between the main characteristics of stars and substars on the basis of their physical evolutionary models. The physical sense of these relationships is discussed. The calculated differential distribution functions of the astrophysical properties of stars and substars are examined. |
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