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Observations of NH3 Toward DR21

Published online by Cambridge University Press:  14 August 2015

T. Pauls  and
T. L. Wilson
T. Pauls
Affiliation:
Max-Planck-Institut für Radioastronomie Auf dem Hügel 69 5300 Bonn 1 Federal Republic of Germany
T. L. Wilson
Affiliation:
Max-Planck-Institut für Radioastronomie Auf dem Hügel 69 5300 Bonn 1 Federal Republic of Germany

Extract

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Figure 1 shows the (J,K) = (1,1), (2,2) and (3,3) spectra of NH3 observed toward the continuum peak of DR21 and four positions offset 50″ from the peak. These observations were made with the Effelsberg 100-m radio telescope, which has a half-power beam width of ∼43″ at these frequencies.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 87: Interstellar Molecules , 1980 , pp. 93 - 94
Copyright
Copyright © Reidel 1980 

References

Matsakis, D.N., Brandshaft, D., Chui, M.F., Cheung, A.C., Yngvesson, K.S., Cardiasmenos, A.G., Shanley, J.F., and Ho, P.T.P.: 1977, Astrophys. J. (Letters) 214, L67.CrossRefGoogle Scholar