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Infrared Heterodyne Spectroscopy of Circumstellar Molecules

Published online by Cambridge University Press:  14 August 2015

A. L. Betz  and
R.A. McLaren
A. L. Betz
Affiliation:
Department of Physics, University of California, Berkeley
R.A. McLaren
Affiliation:
Department of Astronomy, University of Toronto

Abstract

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Ammonia has been detected in the circumstellar envelopes of IRC+10216, VY CMa, VX Sgr, and IRC+10420. A number of absorption lines of 14NH3 in the ν2 vibration-rotation band around 28 THz (950 cm-1) have been observed at a velocity resolution of 0.2 km/s. Typical linewidths are 1 to 4 km/s, and the details of the line profiles provide additional insights on the process of mass loss in these stars.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 87: Interstellar Molecules , 1980 , pp. 503 - 508
Copyright
Copyright © Reidel 1980 

References

Benson, J.M., Mutel, R.L., Fix, J.D. and Claussen, M.J., 1979 Astrophys. J., 229, L87-90.Google Scholar
Betz, A.L., McLaren, R.A. and Spears, D.L., 1979, Astrophys. J., 229, L97-100.Google Scholar
Freund, S.M. and Oka, T., 1976, Phys. Rev. A., 13, 2178-2190.Google Scholar
Hillman, J.J., Kostiuk, T., Buhl, D., Faris, J.L., Novoco, J.C. and Mumma, M.J., 1977, Optics Letters, 1, 81-83.Google Scholar
McLaren, R.A. and Betz, A.L. (submitted for publication).Google Scholar
Moran, J.M., Ball, J.A., Yen, J.L., Schwartz, P.R., Johnston, K.J. and Knowles, S.H., 1977, Astrophys. J., 211, 160-169.Google Scholar
Reid, M.J. and Muhleman, D.O., 1978, Astrophys. J., 220, 229-238.Google Scholar
Sutton, E.C., Betz, A.L., Storey, J.W.V. and Spears, D.L., 1979, Astrophys. J., 230, L105-108.Google Scholar
Ueda, Y. and Shimoda, K., in Laser Spectroscopy (II) , ed. Haroche, S. (Lecture Notes in Physics, Vol. 43) (Springer-Verlag: Berlin, Heidelberg), 1975.Google Scholar