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Article: The 6 µm Feature as A Tracer of Aliphatic Components of Interstellar Carbonaceous Grains

TitleThe 6 µm Feature as A Tracer of Aliphatic Components of Interstellar Carbonaceous Grains
Authors
Issue Date2016
PublisherAmerican Astronomical Society, co-published with Institute of Physics Publishing, Inc. The Journal's web site is located at http://iopscience.iop.org/0004-637X/
Citation
The Astrophysical Journal (Forthcoming) How to Cite?
AbstractAn unidentified infrared emission (UIE) feature at 6.0 µm is detected in a number of astronomical sources showing the UIE bands. In contrast to the pre- vious suggestion that this band is due to C=O vibrational modes, we suggest that the 6.0 µm feature arises from olefinic double-bond functional groups. These groups are likely to be attached to aromatic rings which are responsible for the major UIE bands. The possibility that the formation of these functional groups is related to the hydrogenation process is discussed.
Persistent Identifierhttp://hdl.handle.net/10722/230473
ISSN
2015 Impact Factor: 5.909
2015 SCImago Journal Rankings: 3.266

 

DC FieldValueLanguage
dc.contributor.authorHsia, C-
dc.contributor.authorSadjadi, S-
dc.contributor.authorZhang, Y-
dc.contributor.authorKwok, S-
dc.date.accessioned2016-08-23T14:17:14Z-
dc.date.available2016-08-23T14:17:14Z-
dc.date.issued2016-
dc.identifier.citationThe Astrophysical Journal (Forthcoming)-
dc.identifier.issn0004-637X-
dc.identifier.urihttp://hdl.handle.net/10722/230473-
dc.description.abstractAn unidentified infrared emission (UIE) feature at 6.0 µm is detected in a number of astronomical sources showing the UIE bands. In contrast to the pre- vious suggestion that this band is due to C=O vibrational modes, we suggest that the 6.0 µm feature arises from olefinic double-bond functional groups. These groups are likely to be attached to aromatic rings which are responsible for the major UIE bands. The possibility that the formation of these functional groups is related to the hydrogenation process is discussed.-
dc.languageeng-
dc.publisherAmerican Astronomical Society, co-published with Institute of Physics Publishing, Inc. The Journal's web site is located at http://iopscience.iop.org/0004-637X/-
dc.relation.ispartofThe Astrophysical Journal-
dc.titleThe 6 µm Feature as A Tracer of Aliphatic Components of Interstellar Carbonaceous Grains-
dc.typeArticle-
dc.identifier.emailHsia, C: xiazh@hku.hk-
dc.identifier.emailSadjadi, S: ssadjadi@hku.hk-
dc.identifier.emailZhang, Y: zhangy96@hku.hk-
dc.identifier.emailKwok, S: deannote@hku.hk-
dc.identifier.authorityHsia, C=rp00706-
dc.identifier.authorityZhang, Y=rp00841-
dc.identifier.authorityKwok, S=rp00716-
dc.identifier.hkuros260751-
dc.publisher.placeUnited States-

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