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- Publisher Website: 10.1086/170461
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Article: High-resolution radio continuum observations of compact planetary nebulae
Title | High-resolution radio continuum observations of compact planetary nebulae |
---|---|
Authors | |
Keywords | Nebulae: Planetary Nebulae: Structure Stars: Radio Radiation |
Issue Date | 1991 |
Publisher | Institute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/0004-637X |
Citation | The Astrophysical Journal, 1991, v. 378 n. 2, p. 599-610 How to Cite? |
Abstract | We report 15 GHz radio continuum observations of 19 compact planetary nebulae. The high resolution (∼0″.1) images obtained allowed detailed examination of the structures of these nebulae. Most of these objects have very high radio surface brightness temperatures and critical frequencies, suggesting that they are very young planetary nebulae. Most show a "bipolar" central structure, consistent with an ellipsoidal shell viewed at an angle, and may also show extended halo structure outside of the shell, probably representing remnant material left over from the asymptotic giant branch progenitor. |
Persistent Identifier | http://hdl.handle.net/10722/179671 |
ISSN | 2023 Impact Factor: 4.8 2023 SCImago Journal Rankings: 1.905 |
ISI Accession Number ID |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Aaquist, OB | en_US |
dc.contributor.author | Kwok, S | en_US |
dc.date.accessioned | 2012-12-19T10:02:44Z | - |
dc.date.available | 2012-12-19T10:02:44Z | - |
dc.date.issued | 1991 | en_US |
dc.identifier.citation | The Astrophysical Journal, 1991, v. 378 n. 2, p. 599-610 | en_US |
dc.identifier.issn | 0004-637X | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/179671 | - |
dc.description.abstract | We report 15 GHz radio continuum observations of 19 compact planetary nebulae. The high resolution (∼0″.1) images obtained allowed detailed examination of the structures of these nebulae. Most of these objects have very high radio surface brightness temperatures and critical frequencies, suggesting that they are very young planetary nebulae. Most show a "bipolar" central structure, consistent with an ellipsoidal shell viewed at an angle, and may also show extended halo structure outside of the shell, probably representing remnant material left over from the asymptotic giant branch progenitor. | 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 | Nebulae: Planetary | en_US |
dc.subject | Nebulae: Structure | en_US |
dc.subject | Stars: Radio Radiation | en_US |
dc.title | High-resolution radio continuum observations of 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 | 10.1086/170461 | - |
dc.identifier.scopus | eid_2-s2.0-0042428435 | en_US |
dc.identifier.volume | 378 | en_US |
dc.identifier.issue | 2 | en_US |
dc.identifier.spage | 599 | en_US |
dc.identifier.epage | 610 | en_US |
dc.identifier.isi | WOS:A1991GD78100017 | - |
dc.publisher.place | United Kingdom | en_US |
dc.identifier.scopusauthorid | Aaquist, OB=12789145800 | en_US |
dc.identifier.scopusauthorid | Kwok, S=22980498300 | en_US |
dc.identifier.issnl | 0004-637X | - |