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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
Hsia, CSadjadi, SZhang, YKwok, S
Keywordscircumstellar matter
H II regions
infrared: ISM
ISM: lines and bands
ISM: molecules
stars:pre-main sequen
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, 2016, v. 832 n. 2, article no. 213 How to Cite?
DOI: http://dx.doi.org/10.3847/0004-637X/832/2/213
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
0004-637X
2023 Impact Factor: 4.8
2023 SCImago Journal Rankings: 1.905
ISI Accession Number ID
WOS:000390490100073

 

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, 2016, v. 832 n. 2, article no. 213-
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.rightsThe Astrophysical Journal. Copyright © American Astronomical Society, co-published with Institute of Physics Publishing, Inc.-
dc.subjectcircumstellar matter-
dc.subjectH II regions-
dc.subjectinfrared: ISM-
dc.subjectISM: lines and bands-
dc.subjectISM: molecules-
dc.subjectstars:pre-main sequen-
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.description.naturepostprint-
dc.identifier.doi10.3847/0004-637X/832/2/213-
dc.identifier.scopuseid_2-s2.0-85003674289-
dc.identifier.hkuros260751-
dc.identifier.volume832-
dc.identifier.issue2-
dc.identifier.isiWOS:000390490100073-
dc.publisher.placeUnited States-
dc.identifier.issnl0004-637X-

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