VISTA VVV DR4 Z survey collection

The public ESO near-IR variability survey (VVV) scanned the Milky Way bulge and an adjacent section of the mid-plane where star formation activity is high. The survey took 1929...公开的欧洲南方天文台（European Southern Observatory，ESO）近红外变源巡天（VVV）覆盖了银河系核球以及恒星形成活动活跃的邻近银道面区段。本次巡天共计开展了1929次观测[原文未完整表述]。