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A search for pre-bi...
A search for pre-biotic molecules in hot cores
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- Wirström, Eva, 1977 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Bergman, Per, 1960 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Hjalmarson, Åke, 1939 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Nummelin, Albert, 1968 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2007
- 2007
- Engelska.
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Ingår i: Astronomy and Astrophysics. - 0004-6361 .- 1432-0746. ; 473, s. 177-180
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http://publications.... (primary) (free)
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https://research.cha...
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Abstract
Ämnesord
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- Aims. Our aim is to better understand the complex chemistry of organic molecules in the interstellar medium, leading to the formation of pre-biotic molecules such as amino acids.Methods. We have performed a search for the pre-biotic molecules amino acetonitrile (H2N CH2 CN) and vinyl acetylene (C2H3 CCH) towards four northern hot core sources using the Onsala 20 m telescope.Results. We have determined upper limits to the column density of amino acetonitrile (1-4*10^13 cm^-2) and vinyl acetylene (2-7*10^14 cm^-2) in the observed sources. In addition, from the absence of other lines within the observed frequency band, we have further constrained the column density of oxiranecarbonitrile (c-C3H3 NO) and amino-ethanol (NH2 CH2 CH2 OH) in these sources.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- interstellar molecules
- astrobiology
- astrochemistry
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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