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Article: Discovery of multiple coaxial rings in the quadrupolar planetary nebula NGC 6881

TitleDiscovery of multiple coaxial rings in the quadrupolar planetary nebula NGC 6881
Authors
Kwok, SSu, KYL
KeywordsPlanetary Nebulae: General
Stars: Agb And Post-Agb
Supernovae: General
Issue Date2005
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205
Citation
Astrophysical Journal Letters, 2005, v. 635 n. 1 II, p. L49-L52 How to Cite?
DOI: http://dx.doi.org/10.1086/499332
AbstractWe report the discovery of multiple two-dimensional rings in the quadrupolar planetary nebula NGC 6881. As many as four pairs of rings are seen in the bipolar lobes, and three rings are seen in the central torus. While the rings in the lobes have the same axis as one pair of the bipolar lobes, the inner rings are aligned with the other pair. The two pairs of bipolar lobes are likely to be carved out by two separate high-velocity outflows from the circumstellar material left over from the asymptotic giant branch (AGB) wind. The two-dimensional rings could be the results of dynamical instabilities or the consequence of a fast outflow interacting with remnants of discrete AGB circumstellar shells. © 2005. The American Astronomical Society. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/179692
ISSN
2041-8205
2021 Impact Factor: 8.811
2020 SCImago Journal Rankings: 3.639
ISI Accession Number ID
WOS:000233929700013
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorKwok, Sen_US
dc.contributor.authorSu, KYLen_US
dc.date.accessioned2012-12-19T10:02:52Z-
dc.date.available2012-12-19T10:02:52Z-
dc.date.issued2005en_US
dc.identifier.citationAstrophysical Journal Letters, 2005, v. 635 n. 1 II, p. L49-L52en_US
dc.identifier.issn2041-8205en_US
dc.identifier.urihttp://hdl.handle.net/10722/179692-
dc.description.abstractWe report the discovery of multiple two-dimensional rings in the quadrupolar planetary nebula NGC 6881. As many as four pairs of rings are seen in the bipolar lobes, and three rings are seen in the central torus. While the rings in the lobes have the same axis as one pair of the bipolar lobes, the inner rings are aligned with the other pair. The two pairs of bipolar lobes are likely to be carved out by two separate high-velocity outflows from the circumstellar material left over from the asymptotic giant branch (AGB) wind. The two-dimensional rings could be the results of dynamical instabilities or the consequence of a fast outflow interacting with remnants of discrete AGB circumstellar shells. © 2005. The American Astronomical Society. All rights reserved.en_US
dc.languageengen_US
dc.publisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205en_US
dc.relation.ispartofAstrophysical Journal Lettersen_US
dc.subjectPlanetary Nebulae: Generalen_US
dc.subjectStars: Agb And Post-Agben_US
dc.subjectSupernovae: Generalen_US
dc.titleDiscovery of multiple coaxial rings in the quadrupolar planetary nebula NGC 6881en_US
dc.typeArticleen_US
dc.identifier.emailKwok, S: deannote@hku.hken_US
dc.identifier.authorityKwok, S=rp00716en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1086/499332en_US
dc.identifier.scopuseid_2-s2.0-30544436819en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-30544436819&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume635en_US
dc.identifier.issue1 IIen_US
dc.identifier.spageL49en_US
dc.identifier.epageL52en_US
dc.identifier.isiWOS:000233929700013-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridKwok, S=22980498300en_US
dc.identifier.scopusauthoridSu, KYL=26326482200en_US
dc.identifier.issnl2041-8205-

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