Position Measurements of Main-Line OH/IR Stars.
Research rept. Jan-Jul 71,
AEROSPACE CORP EL SEGUNDO CALIF LAB OPERATIONS
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Interferometer position measurements are reported for five main-line OH emission sources associated with infrared stars. The results of the measurements show that in all cases the 1667-MHz OH emission originates from the stellar position, with typical errors of plus or minus 5 to plus or minus 15 seconds of arc. In addition to the OHIR star observations, the position of the main-line OH source OH201937 ON-2 was measured. This source was found not to coincide with the red star BC Cyg as previous authors have suggested, but instead to be associated with an HII region. Author