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Changes in the chemical composition of stars due to atomic diffusion

Grant number: 20/15801-2
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): March 01, 2021
Effective date (End): December 31, 2021
Field of knowledge:Physical Sciences and Mathematics - Astronomy - Stellar Astrophysics
Principal researcher:Jorge Luis Melendez Moreno
Grantee:Nícolas Dick Vidal de Oliveira
Home Institution: Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:18/04055-8 - High precision spectroscopy: from the first stars to planets, AP.TEM

Abstract

The aim of the project is to train the student in spectroscopic analysis techniques using solar-type stars. More specifically, the student will study solar analogue stars at the end of main sequence and at their evolution immediately afterwards, in other words, at the subgiant branch. The student will carry out the sample selection and will use public spectra of high spectral resolution, to determine the atmospheric parameters and chemical composition of the stars, and will study possible changes due to atomic diffusion.

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