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Article: Possible precession motion in the bipolar proto-planetary nebula IRAS 17441-2411

TitlePossible precession motion in the bipolar proto-planetary nebula IRAS 17441-2411
Authors
KeywordsCircumstellar matter
Infrared: stars
Planetary nebulae: general stars: AGB and post-AGB
Issue Date2007
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205
Citation
Astrophysical Journal Letters, 2007, v. 670 n. 2, p. 1137-1141 How to Cite?
AbstractMid-infrared imaging of two bipolar proto-planetary nebulae, IRAS 17150-3224 and IRAS 17441-2411, was obtained with the Gemini telescope. Dust emissions are detected in both the bipolar lobes and in the equatorial region of IRAS 17441 -2411. In particular, the orientation of the axis of the infrared torus is found to be offset by 23 °from the bipolar axis. If the torus is responsible for or related to the collimation of the bipolar outflow, this raises the possibility that the outflow has undergone precession over the last 100 years. © 2007. The American Astronomical Society. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/80709
ISSN
2015 Impact Factor: 5.487
2015 SCImago Journal Rankings: 3.369
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorVolk, Ken_HK
dc.contributor.authorKwok, Sen_HK
dc.contributor.authorHrivnak, BJen_HK
dc.date.accessioned2010-09-06T08:09:25Z-
dc.date.available2010-09-06T08:09:25Z-
dc.date.issued2007en_HK
dc.identifier.citationAstrophysical Journal Letters, 2007, v. 670 n. 2, p. 1137-1141en_HK
dc.identifier.issn2041-8205en_HK
dc.identifier.urihttp://hdl.handle.net/10722/80709-
dc.description.abstractMid-infrared imaging of two bipolar proto-planetary nebulae, IRAS 17150-3224 and IRAS 17441-2411, was obtained with the Gemini telescope. Dust emissions are detected in both the bipolar lobes and in the equatorial region of IRAS 17441 -2411. In particular, the orientation of the axis of the infrared torus is found to be offset by 23 °from the bipolar axis. If the torus is responsible for or related to the collimation of the bipolar outflow, this raises the possibility that the outflow has undergone precession over the last 100 years. © 2007. The American Astronomical Society. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205en_HK
dc.relation.ispartofAstrophysical Journal Lettersen_HK
dc.rightsThe Astrophysical Journal. Copyright © University of Chicago Press.en_HK
dc.subjectCircumstellar matteren_HK
dc.subjectInfrared: starsen_HK
dc.subjectPlanetary nebulae: general stars: AGB and post-AGBen_HK
dc.titlePossible precession motion in the bipolar proto-planetary nebula IRAS 17441-2411en_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0004-637X&volume=670&spage=1137–1141&epage=&date=2007&atitle=Possible+Precession+Motion+in+the+Bipolar+Proto-Planetary+Nebula+IRAS+17441?2411en_HK
dc.identifier.emailKwok, S: deannote@hku.hken_HK
dc.identifier.authorityKwok, S=rp00716en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1086/522225en_HK
dc.identifier.scopuseid_2-s2.0-40249092864en_HK
dc.identifier.hkuros146069en_HK
dc.identifier.volume670en_HK
dc.identifier.issue2en_HK
dc.identifier.spage1137en_HK
dc.identifier.epage1141en_HK
dc.identifier.isiWOS:000251238300020-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridVolk, K=7006571965en_HK
dc.identifier.scopusauthoridKwok, S=22980498300en_HK
dc.identifier.scopusauthoridHrivnak, BJ=35613962100en_HK

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