The HR 8799 system is a young star system located approximately 129 light years away from Earth in the constellation of Pegasus. It is notable for hosting four giant planets, known as HR 8799 b, c, d, and e, which were the first directly imaged exoplanets orbiting a star similar to our Sun. These planets are all several times more massive than Jupiter and orbit their parent star at distances ranging from 14 to 68 astronomical units. The HR 8799 system has been extensively studied using various observatories and instruments, such as the Keck Observatory and the Gemini Observatory, in order to understand the formation and evolution of planetary systems. The presence of multiple massive planets in the system challenges existing theories of planet formation and migration, and studying the HR 8799 system provides valuable insights into the diversity of planetary systems in our galaxy. Additionally, the HR 8799 system is a key target for studying the atmospheres of exoplanets and advancing our understanding of planetary dynamics.