Supernova OH (1720 MHz) Masers in Sgr A East, W28 and G359.1-0.5

F. Yusef-Zadeh, D. A. Roberts, G. Bower +1

A new class of OH (1720 MHz) masers unaccompanied by main-line transitions have recently been discovered (Frail, Goss and Slysh 1994). These masers lie at the interface between sup…