9 new sources are associated with star formation regions and one is the famous rich carbon star-IRC10216. The discovery of H2O maser in the envelope of rich-C star is very seldom.

• 其中9个源均与恒星形成区成协，它们是正在形成中的大质量星的标志，另一个则是著名的富碳星IRC10216，在富碳星包层中H2O脉泽活动的出现是罕见的。