Interaction of the high-density gas with the bipolar outflow in Cepheus A

Details Interaction of the high-density gas with the bipolar outflow in Cepheus A Interaction of the high-density gas with the bipolar outflow in Cepheus A

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...321..884t&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 321, Oct. 15, 1987, p. 884-887. Research supported by the Junta de Andaluci

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Ammonia, Cepheus Constellation, Cosmic Gases, Interstellar Matter, Molecular Gases, Stellar Winds, Computational Astrophysics, Early Stars, Gas Density, Signal To Noise Ratios, Stellar Evolution

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The authors present the measurements of the CS J = 1→0 rotational transition line toward Cepheus A made with the 37 m antenna of the Haystack Observatory. The analysis of the CS velocity field suggests that the high-density molecular gas (n[H2] ⪆ 104cm-3) is disturbed by the stellar wind. A comparison between the CS and NH3 emission shows that the high-density gas traced by the CS is more disturbed by the stellar wind pressure than that traced by the NH3.

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