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Observations of che...
Observations of chemical differentiation in clumpy molecular clouds
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- Buckle, J. V. (författare)
- University Of Cambridge
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- Rodgers, Steven D. (författare)
- NASA Ames Research Center
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- Wirström, Eva, 1977 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Charnley, S. B. (författare)
- NASA Ames Research Center
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- Markwick-Kemper, Andrew J. (författare)
- NASA Ames Research Center,University of Virginia
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Butner, Harold M. (författare)
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- Takakuwa, Shigehisa (författare)
- National Astronomical Observatory of Japan,Harvard-Smithsonian Center for Astrophysics
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(creator_code:org_t)
- 2006
- 2006
- Engelska.
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Ingår i: Faraday Discussions. - : Royal Society of Chemistry (RSC). - 1359-6640 .- 1364-5498. ; 133, s. 63 - 82
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We have extensively mapped a sample of dense molecular clouds (L1512, TMC-1C, L1262, Per7, L1389, L1251E) in lines of HC 3 N, CH 3 OH, SO and C 18 O. We demonstrate that a high degree of chemical differentiation is present in all of the observed clouds. We analyse the molecular maps for each cloud, demonstrating a systematic chemical differentiation across the sample, which we relate to the evolutionary state of the cloud. We relate our observations to the cloud physical, kinematical and evolutionary properties, and also compare them to the predictions of simple chemical models. The implications of this work for understanding the origin of the clumpy structures and chemical differentiation observed in dense clouds are discussed. © The Royal Society of Chemistry 2006.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
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