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--- molecules:ism:oh [2026/07/29 11:16] – mueller
+++ molecules:ism:oh [2026/07/29 11:43] (current) – mueller
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 **[[https://ui.adsabs.harvard.edu/abs/1970ApL.....5...67G/abstract|<sup>18</sup>OH in Sagittarius]]**\\
 //Astrophys. Lett.// **5**, 67−71 (1970).\\
-The fundamental Λ-doubling transition was observed with the Parkes 64 m dish toward Sgr A and Sgr B2. The <sup>16</sup>O/<sup>18</sup>O roatio was ~314 and ~203, respectively.\\
+The two strongest HFS components of the fundamental Λ-doubling transition were observed with the Parkes 64 m dish toward Sgr A and Sgr B2. The <sup>16</sup>O/<sup>18</sup>O rotio was ~314 and ~203, respectively, somewhat lower than ~500 terrestrial.\\
 \\
+F.F. Gardner and J.B. Whiteoak\\
+published on\\
+**[[https://doi.org/10.1093/mnras/176.1.57P|The Detection of Interstellar <sup>17</sup>OH]]**\\
+//Mon. Not. R. Astron. Soc.// **176**, 57P−60P (1976).\\
+Similar observations led to the detection in Sgr A. The <sup>18</sup>O/<sup>17</sup>O rotio was 4.2 ± 0.4, again slightly smaller than ~5.5 terrestrial.\\
+\\
+B. Parise, F. Du, F.-C. Liu, A. Belloche, H. Wiesemeyer, R. Güsten, K. M. Menten, H.-W. Hübers, and B. Klein\\
+announced the\\
+**[[https://doi.org/10.1051/0004-6361/201218784|Detection of OD towards the Low-Mass Protostar IRAS 16293−2422]]**\\
+//Astron. Astrophys.// **542**, Art. No. L5 (2012).\\
+The GREAT receiver on board SOFIA was employed for the observations. A relatively high ratio of OD to HDO was found.\\
+\\
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