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| molecules:ism:h2cl-plus [2019/02/25 22:38] – external edit 127.0.0.1 | molecules:ism:h2cl-plus [2019/10/21 17:40] (current) – mueller |
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| Chloronium has been detected in absorption with the //Herschel// satellite toward the star-forming regions NGC 6334I and Sagittarius B2(S):\\ | Chloronium has been detected in absorption with the //Herschel// satellite toward the star-forming regions NGC 6334I and Sagittarius B2(S):\\ |
| D. C. Lis, J. C. Pearson, D. A. Neufeld, et al.\\ | D. C. Lis, J. C. Pearson, D. A. Neufeld, et al.\\ |
| **[[http://dx.doi.org/10.1051/0004-6361/201014959|//Herschel///HIFI Discovery of Interstellar Chloronium (H<sub>2</sub>Cl<sup>+</sup>)]]**\\ | **[[https://doi.org/10.1051/0004-6361/201014959|//Herschel///HIFI Discovery of Interstellar Chloronium (H<sub>2</sub>Cl<sup>+</sup>)]]**\\ |
| //Astron. Astrophys.// **521**, (2010) Art. No. L9.\\ | //Astron. Astrophys.// **521**, (2010) Art. No. L9.\\ |
| Three transitions have been detected toward NGC 6334I which show broadening by Cl hyperfine splitting and no recognizable absorption caused by spiral arm clouds. The 2<sub>12</sub> –1<sub>01</sub> transition of //ortho//-H<sub>2</sub>Cl<sup>+</sup> has been observed near 781.6 and 780.05 GHz for the <sup>35</sup>Cl and <sup>37</sup>Cl isotopologs, respectively. The 1<sub>11</sub> –0<sub>00</sub> transition of //para//-H<sub>2</sub><sup>35</sup>Cl<sup>+</sup> was observed near 485.4 GHz.\\ | Three transitions have been detected toward NGC 6334I which show broadening by Cl hyperfine splitting and no recognizable absorption caused by spiral arm clouds. The 2<sub>12</sub> –1<sub>01</sub> transition of //ortho//-H<sub>2</sub>Cl<sup>+</sup> has been observed near 781.6 and 780.05 GHz for the <sup>35</sup>Cl and <sup>37</sup>Cl isotopologs, respectively. The 1<sub>11</sub> –0<sub>00</sub> transition of //para//-H<sub>2</sub><sup>35</sup>Cl<sup>+</sup> was observed near 485.4 GHz.\\ |
| More recently, H<sub>2</sub>Cl<sup>+</sup> has turned out to be rather widespread. The 1<sub>11</sub> –0<sub>00</sub> transition of the //para// species was observed with the //Herschel// satellite for both <sup>35</sup>Cl and <sup>37</sup>Cl isotopologs in absorption toward the strong contiunuum sources W31C and Sgr A (+50 km/s cloud). The transition was seen in emission in Orion S and in the photon-dominated region Orion Bar by:\\ | More recently, H<sub>2</sub>Cl<sup>+</sup> has turned out to be rather widespread. The 1<sub>11</sub> –0<sub>00</sub> transition of the //para// species was observed with the //Herschel// satellite for both <sup>35</sup>Cl and <sup>37</sup>Cl isotopologs in absorption toward the strong contiunuum sources W31C and Sgr A (+50 km/s cloud). The transition was seen in emission in Orion S and in the photon-dominated region Orion Bar by:\\ |
| D. A. Neufeld, E. Roueff, R. L. Snell, et al.\\ | D. A. Neufeld, E. Roueff, R. L. Snell, et al.\\ |
| **[[http://dx.doi.org/10.1088/0004-637X/748/1/37|//Herschel// Observations of Interstellar Chloronium]]**\\ | **[[https://doi.org/10.1088/0004-637X/748/1/37|//Herschel// Observations of Interstellar Chloronium]]**\\ |
| //Astrophys. J.// **748**, (2012) Art. No. 37. | //Astrophys. J.// **748**, (2012) Art. No. 37. |
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| Contributor(s): H. S. P. Müller; 10, 2010; 3, 2012 | Contributor(s): H. S. P. Müller; 10, 2010; 3, 2012 |
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