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Observations of the 2π3/2, J = 7/2 State of OH

Published online by Cambridge University Press:  25 April 2016

M. Balister ,
F. F. Gardner ,
S. H. Knowles  and
J. B. Whiteoak
M. Balister
Affiliation:
Division of Radiophysics, CSIRO, Sydney
F. F. Gardner
Affiliation:
Division of Radiophysics, CSIRO, Sydney
S. H. Knowles
Affiliation:
Division of Radiophysics, CSIRO, Sydney
J. B. Whiteoak
Affiliation:
Division of Radiophysics, CSIRO, Sydney
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Extract

The 6 GHz transitions of the 2π3/2, J = 5/2 excited state of OH are present in emission in the direction of several OH-emission regions (Rickard et al. 1975; Knowles et al. 1976), and in absorption in compact thermal sources (Gardner and Whiteoak 1975). This has suggested that transitions in the next highest state near 13 GHz (J = 7/2) might also be widely observable. A single detection has already been reported in W3OH by Turner et al. (1970). In this paper we report the observation of narrow-band emission in several other sources.

Type
Contributions
Information
Publications of the Astronomical Society of Australia , Volume 3 , Issue 1 , September 1976 , pp. 59 - 61
Copyright
Copyright © Astronomical Society of Australia 1976

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References

Burdyazha, V. V., and Varshalovich, D. A., Sov. Astron., 16, 980 (1973).Google Scholar
Gardner, F. F., and Whiteoak, J. B., Mon. Not. R. Astron. Soc, 172, P. 9(1975).CrossRefGoogle Scholar
Knowles, S. H., Caswell, J. L., and Goss, W. M., Mon. Not. R. Astron. Soc, (in press) (1976).Google Scholar
Rickard, L. J., Zuckerman, B., and Palmer, P., Astrophys. J., 200, 6 (1975).Google Scholar
Turner, B. E., Palmer, P., and Zuckerman, B., Astrophys. J., 160, L125 (1970).Google Scholar