IRAS 19067
my home upper CIT3 IRAS 15445 IRAS 15544 IRAS 16342 IRAS 16552 IRAS 18043 IRAS 18139 IRAS 18286 IRAS 18450 IRAS 18460 IRAS 18596 IRAS 19067 IRAS 19134 IRAS 19190 W Hya

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IRAS 19067+0811 -- a likely water fountain star

VLA and Heystack Observatory single dish observations of OH and H2O masers in IRAS 19067+0811 showed a larger expansion H2O maser velocity than OH maser, indicating a possible water fountain star. (from Gomez et al., 1994RMxAA..28...97G)
(figure: left -- LVA spectra of OH and H2O masers during 1991-1992; right -- detection of H2O masers on 1988, Jul. 4, with the short horizontal line showing the velocity range of OH maser peaks.)
IRAS196.gif (9127 字节) IRAS197.gif (15256 字节)
 

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