Proper Motions of Water Masers in the Star-forming Region IRAS 23139+5939

Miguel A. Trinidad, Hiroshi Imai, Eduardo de la Fuente +3

We observed H${}_2$O (6${}_{16}$ $\to$ 5${}_{23}$) maser emission associated with the high-mass star-forming region IRAS 23139+5959 using the KaVA a combination of VLBI arrays be…