CO J = 3-2 observations of IRC +10216

Details CO J = 3-2 observations of IRC +10216 CO J = 3-2 observations of IRC +10216

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....97..236t&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 97, Jan. 1989, p. 236-240. Research supported by the University of Massachusetts.

Astronomy and Astrophysics

Astronomy

3

Carbon Monoxide, Interstellar Chemistry, Red Giant Stars, Stellar Envelopes, Stellar Evolution, Interstellar Gas, Interstellar Matter, Stellar Models, Stellar Winds

Scientific paper

New observations of the CO J = 3-2 emission in the circumstellar envelope of IRC +10216 are presented. Strips maps of this source have been obtained at 0.5 arcmin spacing with an optical telescope, which allows the beam pattern to be determined very accurately. The observations are compared with the predictions of the standard thermal model of Kwan and Linke (1982), and the model and the observations are found to agree very well. However, the model predicts that the effective J = 3-2 source is much smaller than the beam size. It is concluded that the observations cannot further constrain the input parameters of the Kwan and Linke model.

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