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Lectures:

• Lecture 1: Introduction: two-body problems
• Lecture 2: Axial precession
• Lecture 3: Orbital precession
• Lecture 4: Three-body problems
• Lecture 5: Many-body problems
• practice

codes

• Coordinate Transform
• Time integral
• Orbital Elements
• Coline three-body rotation
• N-body simulation

Astrometry by Prof. Tan (tanbxuan@mail.sysu.edu.cn)

• Lecture 1: Introduction
• Lecture 2: Astrometry from ground and space
• Lecture 3: Gaia in Stellar Astrophysics and An Introduction to Reference Systems
• Lecture 4: Timescales
• Lecture 5: Reference System
• Lecture 6: ITRS to GCRS transformation
• Lecture 7: Aberration and Parallax
• Assignment 3
• Lecture 8: Relativity in astrometry

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