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《ACTA ASTRONOMICA SINICA》 1994-01
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THE OBSERVATION OF CIRCUMSTELLAR OH MASER RADIATION OF OH 17.7-2.0

Yu Zhi-yao(Shanghai Astronomical Observatory, Academic Sinica, Shanghai 200030) J. Chapman (Division of Radiophysics, CSIRO, Australia)  
We have observed the circumstellar OH maser radiation of OH 17.7-2.0 using Parkes 64m radio telescope, Australia. We have obtained three peaks in its spectrum: one is from a weaker-source found in our observation run, and the other two are from stronger-source observed previously. We used a two-dimensional Gaussian fitting procedure to obtain best-fitting positions for each of three OH peaks. The best-fitting positions show that the position of the stronger OH maser source is clearly consistent with that of a IRAS point source, whereas that of the weaker one is on the south west of the stronger one. The velocities and peak flux densities of stronger two peaks are relatively stable.
【Fund】: 中国科学院天文口支持项目
【CateGory Index】: P157.7
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【References】
Chinese Journal Full-text Database 1 Hits
1 YU Zhi yao (Shanghai Astronomical Observatory, The Chinese Academy of Sciences, Shanghai, 200030) J. Chapman (Division of Radiophysics, CSIRO, Australia);A New Weak OH Maser Source Near the Post AGB Star OH 17.7 2.0[J];天体物理学报;1998-04
【Co-references】
Chinese Journal Full-text Database 1 Hits
1 Yu Zhi-yao(Shanghai Astronomical Observatory, Academic Sinica, Shanghai 200030) J. Chapman (Division of Radiophysics, CSIRO, Australia);THE OBSERVATION OF CIRCUMSTELLAR OH MASER RADIATION OF OH 17.7-2.0[J];天文学报;1994-01
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