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Article: Dust extinction in compact planetary nebulae
Title | Dust extinction in compact planetary nebulae |
---|---|
Authors | |
Keywords | Agb Planetary Nebulae: General Stars: Agb And Post Supernovae: General |
Issue Date | 2005 |
Publisher | Institute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/0004-637X |
Citation | The Astrophysical Journal, 2005, v. 632 n. 1 pt. 1, p. 340-354 How to Cite? |
Abstract | The effects of dust extinction on the departure from axisymmetry in the morphology of planetary nebulae (PNs) are investigated through a comparison of the radio free-free emission and hydrogen recombination line images. The dust extinction maps from five compact PNs are derived using high-resolution (̃0"1) Hα and radio maps of the HST and VLA. These extinction maps are then analyzed by an ellipsoidal shell ionization model including the effects of dust extinction to infer the nebulae's intrinsic structure and orientation in the sky. This method provides a quantitative analysis of the morphological structure of PNs and represents a step beyond qualitative classification of morphological types of PNs. © 2005. The American Astronomical Society. All rights reserved. |
Persistent Identifier | http://hdl.handle.net/10722/179690 |
ISSN | 2023 Impact Factor: 4.8 2023 SCImago Journal Rankings: 1.905 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Lee, TH | en_US |
dc.contributor.author | Kwok, S | en_US |
dc.date.accessioned | 2012-12-19T10:02:51Z | - |
dc.date.available | 2012-12-19T10:02:51Z | - |
dc.date.issued | 2005 | en_US |
dc.identifier.citation | The Astrophysical Journal, 2005, v. 632 n. 1 pt. 1, p. 340-354 | en_US |
dc.identifier.issn | 0004-637X | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/179690 | - |
dc.description.abstract | The effects of dust extinction on the departure from axisymmetry in the morphology of planetary nebulae (PNs) are investigated through a comparison of the radio free-free emission and hydrogen recombination line images. The dust extinction maps from five compact PNs are derived using high-resolution (̃0"1) Hα and radio maps of the HST and VLA. These extinction maps are then analyzed by an ellipsoidal shell ionization model including the effects of dust extinction to infer the nebulae's intrinsic structure and orientation in the sky. This method provides a quantitative analysis of the morphological structure of PNs and represents a step beyond qualitative classification of morphological types of PNs. © 2005. The American Astronomical Society. All rights reserved. | en_US |
dc.language | eng | en_US |
dc.publisher | Institute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/0004-637X | en_US |
dc.relation.ispartof | The Astrophysical Journal | en_US |
dc.subject | Agb | en_US |
dc.subject | Planetary Nebulae: General | en_US |
dc.subject | Stars: Agb And Post | en_US |
dc.subject | Supernovae: General | en_US |
dc.title | Dust extinction in compact planetary nebulae | en_US |
dc.type | Article | en_US |
dc.identifier.email | Kwok, S: deannote@hku.hk | en_US |
dc.identifier.authority | Kwok, S=rp00716 | en_US |
dc.description.nature | published_or_final_version | en_US |
dc.identifier.doi | 10.1086/432875 | en_US |
dc.identifier.scopus | eid_2-s2.0-28044453922 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-28044453922&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 632 | en_US |
dc.identifier.issue | 1 pt. 1 | en_US |
dc.identifier.spage | 340 | en_US |
dc.identifier.epage | 354 | en_US |
dc.identifier.isi | WOS:000232366000025 | - |
dc.publisher.place | United Kingdom | en_US |
dc.identifier.scopusauthorid | Lee, TH=37027800000 | en_US |
dc.identifier.scopusauthorid | Kwok, S=22980498300 | en_US |
dc.identifier.issnl | 0004-637X | - |