molecules:ism:menh2

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molecules:ism:menh2 [2019/10/24 09:29] – muellermolecules:ism:menh2 [2023/09/05 14:43] (current) – mueller
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 ===== On Methylamine, CH3NH2, in the ISM ===== ===== On Methylamine, CH3NH2, in the ISM =====
  
-N. Kaifu, M. Morimoto, K. Nagane, K. Akabane, T. Iguchi, and K. Takagi,\\+N. Kaifu, M. Morimoto, K. Nagane, K. Akabane, T. Iguchi, and K. Takagi\\
 reported on the\\ reported on the\\
 **[[https://ui.adsabs.harvard.edu/abs/1974ApJ...191L.135K|Detection of Interstellar Methylamine]]**\\ **[[https://ui.adsabs.harvard.edu/abs/1974ApJ...191L.135K|Detection of Interstellar Methylamine]]**\\
 //Astrophys. J.// **191**, L135–L137 (1974).\\ //Astrophys. J.// **191**, L135–L137 (1974).\\
-They used they Mitaka 6 m telescope for the //a//, 5<sub>15</sub> – 5<sub>05</sub> transition near 73.0 GHz and the 11 m Kitt Peak telescope for the //s//, 4<sub>14</sub> – 4<sub>04</sub> transition near 86.1 GHz to detect molecular emission from Sagittarius B2.\\+They used the Mitaka 6 m telescope for the //a//-symmetry 5<sub>15</sub> – 5<sub>05</sub> transition near 73.0 GHz and the 11 m Kitt Peak telescope for the //s//-symmetry, 4<sub>14</sub> – 4<sub>04</sub> transition near 86.1 GHz to detect molecular emission from Sagittarius B2.\\
 \\ \\
 +
 At the same time,\\ At the same time,\\
-N. Fourikis, K. Takagi, and M. Morimoto,\\+N. Fourikis, K. Takagi, and M. Morimoto\\
 reported on the\\ reported on the\\
 **[[https://ui.adsabs.harvard.edu/abs/1974ApJ...191L.139F|Detection of Interstellar Methylamine by its 2<sub>02</sub> – 1<sub>10</sub> //A<sub>a</sub>// State Transition]]**\\ **[[https://ui.adsabs.harvard.edu/abs/1974ApJ...191L.139F|Detection of Interstellar Methylamine by its 2<sub>02</sub> – 1<sub>10</sub> //A<sub>a</sub>// State Transition]]**\\
 //Astrophys. J.// **191**, L139–L141 (1974).\\ //Astrophys. J.// **191**, L139–L141 (1974).\\
-They used the Parkes 64 m telecope to detect the transition near 8.8 GHz in emission toward Sagittarius B2.+They used the Parkes 64 m telecope to detect the transition near 8.8 GHz in emission toward Sagittarius B2.\\ 
 + \\
  
 Both papers mentioned above reported also the detection toward the Orion A molecular cloud, however, these detections are incorrect, see e.g.\\ Both papers mentioned above reported also the detection toward the Orion A molecular cloud, however, these detections are incorrect, see e.g.\\
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 **[[https://ui.adsabs.harvard.edu/abs/1984A%26A...130..227J|Spectral scan of Orion A and IRC+10216 from 72 to 91 GHz]]**\\ **[[https://ui.adsabs.harvard.edu/abs/1984A%26A...130..227J|Spectral scan of Orion A and IRC+10216 from 72 to 91 GHz]]**\\
 //Astron. Astrophys.// **191**, L139–L141 (1974).\\ //Astron. Astrophys.// **191**, L139–L141 (1974).\\
 +\\
  
-E. G. Bøgelund, B. A. McGuire, M. R. Hogerheijde, E. F. van Dishoeck, and N. F. W. Ligterink,\\+T. Kamiński, K. M. Menten, R. Tylenda, A. Karakas, A. Belloche, and N. A. Patel\\ 
 +investigated the\\ 
 +**[[https://doi.org/10.1051/0004-6361/201731287|Organic Molecules, Ions, and Rare Isotopologues in the Remnant of the Stellar-merger Candidate, CK Vulpeculae (Nova 1670)]]**\\ 
 +//Astron. Astrophys.// **607**, Art. No. A78 (2017).\\ 
 +Methylamine was identified through several transitions covered by the IRAM 30 m and APEX 12 m telescopes.\\ 
 +\\ 
 + 
 +S. Zeng, I. Jiménez-Serra, V. M. Rivilla, S. Martín, J. Martín-Pintado, M. A. Requena-Torres, J. Armijos-Abendaño, D. Riquelme, and R. Aladro\\ 
 +carried out a study on\\ 
 +**[[https://doi.org/10.1093/mnras/sty1174|Complex Organic Molecules in the Galactic Centre: the N-bearing Family]]**\\ 
 +//Mon. Not. R. Astron. Soc.// **478**, 2962–2975 (2018).\\ 
 +They performed an unbiased molecular line survey of the quiescent molecular cloud G+0.693−0.03 using the GBT 100 m dish (12.7–15.5 GHz and sections of 18–27 GHz) and the IRAM 30 m dish (80–116, 128–176, and 240–272 GHz). The detected five lines of methylamine.\\ 
 +\\ 
 + 
 +E. G. Bøgelund, B. A. McGuire, M. R. Hogerheijde, E. F. van Dishoeck, and N. F. W. Ligterink\\
 reported on\\ reported on\\
-**[[https://doi.org/10.1051/0004-6361/201833676|Methylamine and other simple N-bearing species in the hot cores +**[[https://doi.org/10.1051/0004-6361/201833676|Methylamine and other simple N-bearing species in the hot cores NGC 6334I MM1–3]]**\\
-NGC 6334I MM1–3]]**\\+
 //Astron. Astrophys.// **624**, Art. No. A82 (2019).\\ //Astron. Astrophys.// **624**, Art. No. A82 (2019).\\
 The authors describe the first unambigous detection of methylamine outside of the Galactic center.\\ The authors describe the first unambigous detection of methylamine outside of the Galactic center.\\
 +\\
  
 +P. Gyawali, R. A. Motiyenko, A. Belloche, I. Kleiner, V. V. Ilyushin, E. A. Alekseev, I. Gulaczyk and M. Kreglewski\\ 
 +described the\\ 
 +**[[https://doi.org/10.1051/0004-6361/202346518|Rotational Spectrum and Interstellar Detection of the First Torsionally Excited State of Methylamine]]**\\ 
 +//Astron. Astrophys.// **677**, Art. No. A65 (2023).\\ 
 +Five lines in //v//<sub>t</sub> = 1 were reported as blended or only slightly blended in addition to ten in //v//<sub>t</sub> = 0. The observational data are from the ReMoCA survey of Sagittarius B2(N) carried out with ALMA at 3 mm.\\ 
 +\\
  
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-Contributor(s): H. S. P. Müller; 03, 2016; 06, 2019.+Contributor(s): H. S. P. Müller; 03, 2016; 06, 2019; 08, 2020; 03, 2023; 09, 2023.
  
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