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- W4313304735 abstract "The stellar kinematics of the Galactic disk are main factors for constraining disk formation and evolution processes in the Milky Way (MW) Galaxy. In this paper we investigate a statistical relation between stellar Mass, Age and Velocity Dispersion for stars in the Solar neighborhood. Age-Velocity dispersion relations (AVR), with their applications, have been studied in details before. But their correlation with mass was mostly neglected. To investigate this relation, we use the proper motion data of more than 113035 stars in the Galactic disk (with Solar distances less than 150 parsecs) provided by the third data release of the textit{Gaia} mission and for stellar Mass and Age, textit{Gaia}'s Final Luminosity Age Mass Estimator (textit{FLAME}) is implemented. We analyze this data and the correlations between the parameters with Random Forrest (RF) Regression, which is an Ensemble statistical learning technique. Finally, we show that by considering the stellar mass alongside age, we can determine Velocity Dispersions with the average relative error, and mean absolute error of about $9%$, and $2.68~rm{km/s}$, respectively. We also find that the correlation of stellar age with Velocity Dispersion is $3$ to $8$ times more than mass, which varies due to the different stellar types and masses." @default.
- W4313304735 created "2023-01-06" @default.
- W4313304735 creator A5027456186 @default.
- W4313304735 creator A5076561882 @default.
- W4313304735 date "2022-12-26" @default.
- W4313304735 modified "2023-09-23" @default.
- W4313304735 title "A Statistical Relation between Mass, Age and Velocity Dispersion in the Solar Neighborhood" @default.
- W4313304735 doi "https://doi.org/10.48550/arxiv.2212.13349" @default.
- W4313304735 hasPublicationYear "2022" @default.
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