On the excitation of CH microwave lines



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Bujarrabal, V. and Gonzalo Fonrodona, Isabel and Salinas, F. (1984) On the excitation of CH microwave lines. Astrophysical journal, 285 (1). pp. 312-321. ISSN 0004-637X

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Official URL: http://dx.doi.org/10.1086/162507


Along with the very frequent occurrence of every CH 9 cm line inversion, CH radio observations also show the existence of antother almost universal characteristic of thes lines’s excitation: the overexcitation of the satellite F = 0→ 1 line. Attempts to explain this fact, by means of quite a wide sample of local and nonlocal models as presented here, failed when line overlap was not taken into account. As will be shown, the overlap of two components (F=2^+ → 1^- and F=1^+→1^-) of the ^2π_1/2 J=3/2→J=1/2 rotational transition leads to the above-mentioned satellite-line anomalies. The numerical results are in reasonable agreement with the observations, and the mechanism satisfies the requirement of universality.

Item Type:Article
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© 1984 The American Astronomical Society

Uncontrolled Keywords:Astronomy; Astrophysics
Subjects:Sciences > Physics > Optics
ID Code:30008
Deposited On:11 May 2015 13:58
Last Modified:11 May 2015 13:58

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