18 cm Observations of Galactic OH from Longitudes 128° to 300°

Abstract

Observations have been made of 18 cm OR emission and/or absorption for 12 sources between galactic longitudes 128° and 300°. The OR is seen in emission in five of the sources, and the four Stokes parameters of the emission profiles have been measured. A new type of strong wideband OR emission has been found near III = 284°. There are two sources where weak emission at 1612 MHz accompanies absorption on the other three lines.