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Article: [Fe III] emission lines in the planetary nebula NGC 2392

Title[Fe III] emission lines in the planetary nebula NGC 2392
Authors
KeywordsISM: Abundances
Planetary Nebulae: Individual (NGC 2392)
Issue Date2012
PublisherInstitute of Physics Publishing, Inc. The Journal's web site is located at http://iopscience.iop.org/0004-637X/
Citation
Astrophysical Journal, 2012, v. 754 n. 1, article no. 28 How to Cite?
AbstractNGC2392 is a young double-shell planetary nebula (PN). Its intrinsic structure and shaping mechanism are still not fully understood. In this paper we present new spectroscopic observations of NGC2392. The slits were placed at two different locations to obtain the spectra of the inner and outer regions. Several [Fe III] lines are clearly detected in the inner region. We infer that NGC2392 might have an intrinsic structure similar to the bipolar nebula Mz3, which also exhibits a number of [Fe III] lines arising from the central regions. In this scenario, the inner and outer regions of NGC2392 correspond to the inner lobes and the outer outflows of Mz3, respectively. We construct a three-dimensional morpho-kinematic model to examine our hypothesis. We also compare the physical conditions and chemical composition of the inner and outer regions, and discuss the implications on the formation of this type of PN. © 2012. The American Astronomical Society. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/179720
ISSN
2015 Impact Factor: 5.909
2015 SCImago Journal Rankings: 3.266
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhang, Yen_US
dc.contributor.authorFang, Xen_US
dc.contributor.authorChau, Wen_US
dc.contributor.authorHsia, CHen_US
dc.contributor.authorLiu, XWen_US
dc.contributor.authorKwok, Sen_US
dc.contributor.authorKoning, Nen_US
dc.date.accessioned2012-12-19T10:03:15Z-
dc.date.available2012-12-19T10:03:15Z-
dc.date.issued2012en_US
dc.identifier.citationAstrophysical Journal, 2012, v. 754 n. 1, article no. 28en_US
dc.identifier.issn0004-637Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/179720-
dc.description.abstractNGC2392 is a young double-shell planetary nebula (PN). Its intrinsic structure and shaping mechanism are still not fully understood. In this paper we present new spectroscopic observations of NGC2392. The slits were placed at two different locations to obtain the spectra of the inner and outer regions. Several [Fe III] lines are clearly detected in the inner region. We infer that NGC2392 might have an intrinsic structure similar to the bipolar nebula Mz3, which also exhibits a number of [Fe III] lines arising from the central regions. In this scenario, the inner and outer regions of NGC2392 correspond to the inner lobes and the outer outflows of Mz3, respectively. We construct a three-dimensional morpho-kinematic model to examine our hypothesis. We also compare the physical conditions and chemical composition of the inner and outer regions, and discuss the implications on the formation of this type of PN. © 2012. The American Astronomical Society. All rights reserved.en_US
dc.languageengen_US
dc.publisherInstitute of Physics Publishing, Inc. The Journal's web site is located at http://iopscience.iop.org/0004-637X/en_US
dc.relation.ispartofAstrophysical Journalen_US
dc.rightsThe Astrophysical Journal. Copyright © Institute of Physics Publishing, Inc.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectISM: Abundancesen_US
dc.subjectPlanetary Nebulae: Individual (NGC 2392)en_US
dc.title[Fe III] emission lines in the planetary nebula NGC 2392en_US
dc.typeArticleen_US
dc.identifier.emailZhang, Y: zhangy96@hku.hken_US
dc.identifier.emailHsia, CH: xiazh@hku.hken_US
dc.identifier.emailKwok, S: deannote@hku.hken_US
dc.identifier.authorityZhang, Y=rp00841en_US
dc.identifier.authorityHsia, CH=rp00706en_US
dc.identifier.authorityKwok, S=rp00716en_US
dc.description.naturepostprinten_US
dc.identifier.doi10.1088/0004-637X/754/1/28en_US
dc.identifier.scopuseid_2-s2.0-84863505915en_US
dc.identifier.hkuros200027-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84863505915&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume754en_US
dc.identifier.issue1en_US
dc.identifier.isiWOS:000306111800028-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridZhang, Y=23768446500en_US
dc.identifier.scopusauthoridFang, X=37115523400en_US
dc.identifier.scopusauthoridChau, W=55295678300en_US
dc.identifier.scopusauthoridHsia, CH=14058287100en_US
dc.identifier.scopusauthoridLiu, XW=7409287288en_US
dc.identifier.scopusauthoridKwok, S=22980498300en_US
dc.identifier.scopusauthoridKoning, N=15520613500en_US
dc.customcontrol.immutablejt 130516-

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