국제천문연맹 (IAU) is a global organization founded in 1919 that brings together professional astronomers from around the world. Its main goals are to promote and coordinate astronomical research, establish standards for astronomical nomenclature, and enhance international collaboration in the field of astronomy. The IAU is responsible for naming celestial bodies and defining astronomical terms. It plays a crucial role in organizing international conferences and publishing scientific findings, helping to advance our understanding of the universe and support the work of astronomers globally.