Water abundance in four of the brightest water sources in the southern sky

Bing-Ru Wang, Lei Qian, Di Li +1

We estimated the ortho-{\rm{H${}_2$O}} abundances of G267.9--1.1, G268.4--0.9, G333.1--0.4 and G336.5--1.5, four of the brightest ortho-{\rm{H${}_2$O}} sources in the southern sky obse…