Title Naujas žvaigždėdaros istorijos nustatymo metodas /
Translation of Title New method for determination of star formation history.
Authors Čeponis, Marius
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Pages 38
Abstract [eng] A New Method for Determination of Star Formation History Without stars there would not be any life and us. Almost all elements in our bodies are made in stars. Yet we still don‘t fully understand all the processes governing formation and evolution of stellar systems. Their star formation histories really help in trying to understand these processes. In this work a new Bayesian method for determination of star formation history is proposed. This method uses photometric data of resolved stars and is not restricted to just two filters usually taken into account in star formation history studies. This method was tested and its reliability was evaluated using synthetic stellar populations and different photometry completeness limits. The aim of this work is to develop a new method for determination of star formation history and to evaluate its reliability. Main results: 1. A new method for determination of star formation history was developed. 2. This method was tested using synthetic stellar populations. 3. This method can distinguish at least seven different star formation episodes. 4. The mass of star population can be derived with an error smaller than 50 %.
Dissertation Institution Vilniaus universitetas.
Type Master thesis
Language Lithuanian
Publication date 2017