报告题目：From “starless” cores to UCHII regions 

　　报 告 人：王渊（中科院紫金山天文台）

　　摘    要：High-mass stars are one of the key components in the evolution of the universe, yet their formation is significantly less well understood than for their low-mass counterparts. To understand evolutionary and environmental effects during the formation of high-mass stars, we observed several sub-regions respectively at 1.3 mm with the SMA and IRAM 30 m in W3 Main and S255 complex. These regions are in different evolutionary stages and are located within the same large-scale environment, i.e. S255 and W3 Main complex. I will give a brief presentation of our multi-wavlength observation results and the potential triggered star formation.