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Article: Subarcsecond mid-infrared imaging of dust in the bipolar nebula Hen 3-401

TitleSubarcsecond mid-infrared imaging of dust in the bipolar nebula Hen 3-401
Authors
KeywordsPlanetary Nebulae: General
Stars: Agb And Post-Agb
Stars: Emission-Line, Be
Issue Date2006
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/0004-637X
Citation
The Astrophysical Journal, 2006, v. 640 n. 1, p. 353-359 How to Cite?
AbstractWe present high-resolution, nearly diffraction-limited narrow- and broadband mid-IR images of bipolar reflection nebula Hen 3-401. The deconvolved images yield a pixel-limited spatial resolution of 0″.09, demonstrating the superior imaging quality of the Gemini telescope. The infrared image of Hen 3-401 consists of a prominent core region of size 1″ and extended emissions along the walls of the bipolar lobes. We find that the distribution of aromatic infrared band (AIB) emission is different from that of the continuum emission and that the star has undergone multiple ejection of the AIB emission feature carrier at the end stages of its evolution. From the observed temperature gradient in the core, we suggest that the core has a flared disk geometry. © 2006. The American Astronomical Society. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/179696
ISSN
2015 Impact Factor: 5.909
2015 SCImago Journal Rankings: 3.266
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorMuthumariappan, Cen_US
dc.contributor.authorKwok, Sen_US
dc.contributor.authorVolk, Ken_US
dc.date.accessioned2012-12-19T10:02:54Z-
dc.date.available2012-12-19T10:02:54Z-
dc.date.issued2006en_US
dc.identifier.citationThe Astrophysical Journal, 2006, v. 640 n. 1, p. 353-359en_US
dc.identifier.issn0004-637Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/179696-
dc.description.abstractWe present high-resolution, nearly diffraction-limited narrow- and broadband mid-IR images of bipolar reflection nebula Hen 3-401. The deconvolved images yield a pixel-limited spatial resolution of 0″.09, demonstrating the superior imaging quality of the Gemini telescope. The infrared image of Hen 3-401 consists of a prominent core region of size 1″ and extended emissions along the walls of the bipolar lobes. We find that the distribution of aromatic infrared band (AIB) emission is different from that of the continuum emission and that the star has undergone multiple ejection of the AIB emission feature carrier at the end stages of its evolution. From the observed temperature gradient in the core, we suggest that the core has a flared disk geometry. © 2006. 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/0004-637Xen_US
dc.relation.ispartofThe Astrophysical Journalen_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectPlanetary Nebulae: Generalen_US
dc.subjectStars: Agb And Post-Agben_US
dc.subjectStars: Emission-Line, Been_US
dc.titleSubarcsecond mid-infrared imaging of dust in the bipolar nebula Hen 3-401en_US
dc.typeArticleen_US
dc.identifier.emailKwok, S: deannote@hku.hken_US
dc.identifier.authorityKwok, S=rp00716en_US
dc.description.naturepublished_or_final_versionen_US
dc.identifier.doi10.1086/500041en_US
dc.identifier.scopuseid_2-s2.0-33645508333en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33645508333&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume640en_US
dc.identifier.issue1en_US
dc.identifier.spage353en_US
dc.identifier.epage359en_US
dc.identifier.isiWOS:000236143100034-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridMuthumariappan, C=12800003800en_US
dc.identifier.scopusauthoridKwok, S=22980498300en_US
dc.identifier.scopusauthoridVolk, K=7006571965en_US

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