NGC 300 catalog of HII and DIG regions

There are known differences between the physical properties of HII and diffuse ionized gas (DIG). However, most of the studied regions in the literature are relatively bright,...已知HII区与弥散电离气体（diffuse ionized gas, DIG）的物理性质存在差异。然而，现有文献中所研究的绝大多数区域均相对明亮……