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Conference Paper: Maser kinematics and infrared properties of the water fountain IRAS 18286-0959
Title | Maser kinematics and infrared properties of the water fountain IRAS 18286-0959 |
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Authors | |
Keywords | Circumstellar Matter Outflows Stars: Agb And Post-Agb Stars: Individual (Iras) Stars: Winds |
Issue Date | 2011 |
Publisher | Cambridge University Press. The Journal's web site is located at http://journals.cambridge.org/action/displayJournal?jid=IAU |
Citation | The IAU Symposium No. 283: "Planetary Nebulae: an Eye to the Future", Puerto de la Cruz, Tenerife, Spain, 25-29 July 2011. In Proceedings Of The International Astronomical Union, 2011, v. 7 S283, p. 524-525, Poster no. 17 How to Cite? |
Abstract | A "water fountain" is a transitional object between an AGB star and a PN. The VLBA observations of 22.2 GHz water maser emission reveal a "double-helix" outflow pattern from one of the water fountains, IRAS 18286-0959. The pattern is reasonably fit by a model consisting of two precessing jets. We propose that the two jets observed are a result of a single driving source with a significant proper motion. Using data from the AKARI catalogs, we also found that water fountains might have their own IR colors which are affected by the 9.7 μm silicate feature and the optical thickness of stellar envelopes. The colors could serve as new criteria for searching this type of rare objects. © 2012 International Astronomical Union. |
Persistent Identifier | http://hdl.handle.net/10722/179629 |
ISSN | 2023 SCImago Journal Rankings: 0.121 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Yung, BHK | en_US |
dc.contributor.author | Nakashima, JI | en_US |
dc.contributor.author | Imai, H | en_US |
dc.contributor.author | Deguchi, S | en_US |
dc.contributor.author | Diamond, PJ | en_US |
dc.contributor.author | Kwok, S | en_US |
dc.date.accessioned | 2012-12-19T10:01:44Z | - |
dc.date.available | 2012-12-19T10:01:44Z | - |
dc.date.issued | 2011 | en_US |
dc.identifier.citation | The IAU Symposium No. 283: "Planetary Nebulae: an Eye to the Future", Puerto de la Cruz, Tenerife, Spain, 25-29 July 2011. In Proceedings Of The International Astronomical Union, 2011, v. 7 S283, p. 524-525, Poster no. 17 | en_US |
dc.identifier.issn | 1743-9213 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/179629 | - |
dc.description.abstract | A "water fountain" is a transitional object between an AGB star and a PN. The VLBA observations of 22.2 GHz water maser emission reveal a "double-helix" outflow pattern from one of the water fountains, IRAS 18286-0959. The pattern is reasonably fit by a model consisting of two precessing jets. We propose that the two jets observed are a result of a single driving source with a significant proper motion. Using data from the AKARI catalogs, we also found that water fountains might have their own IR colors which are affected by the 9.7 μm silicate feature and the optical thickness of stellar envelopes. The colors could serve as new criteria for searching this type of rare objects. © 2012 International Astronomical Union. | en_US |
dc.language | eng | en_US |
dc.publisher | Cambridge University Press. The Journal's web site is located at http://journals.cambridge.org/action/displayJournal?jid=IAU | en_US |
dc.relation.ispartof | Proceedings of the International Astronomical Union | en_US |
dc.subject | Circumstellar Matter | en_US |
dc.subject | Outflows | en_US |
dc.subject | Stars: Agb And Post-Agb | en_US |
dc.subject | Stars: Individual (Iras) | en_US |
dc.subject | Stars: Winds | en_US |
dc.title | Maser kinematics and infrared properties of the water fountain IRAS 18286-0959 | en_US |
dc.type | Conference_Paper | en_US |
dc.identifier.email | Nakashima, JI: junichi@hku.hk | en_US |
dc.identifier.email | Kwok, S: deannote@hku.hk | en_US |
dc.identifier.authority | Nakashima, JI=rp00764 | en_US |
dc.identifier.authority | Kwok, S=rp00716 | en_US |
dc.description.nature | abstract | en_US |
dc.identifier.doi | 10.1017/S1743921312012240 | en_US |
dc.identifier.scopus | eid_2-s2.0-84865799444 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-84865799444&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 7 | en_US |
dc.identifier.issue | S283 | en_US |
dc.identifier.spage | 524 | en_US |
dc.identifier.epage | 525 | en_US |
dc.identifier.isi | WOS:000309944800165 | - |
dc.publisher.place | United Kingdom | en_US |
dc.identifier.scopusauthorid | Yung, BHK=53985956100 | en_US |
dc.identifier.scopusauthorid | Nakashima, JI=35485342300 | en_US |
dc.identifier.scopusauthorid | Imai, H=35484255500 | en_US |
dc.identifier.scopusauthorid | Deguchi, S=7006314159 | en_US |
dc.identifier.scopusauthorid | Diamond, PJ=7102763138 | en_US |
dc.identifier.scopusauthorid | Kwok, S=22980498300 | en_US |
dc.identifier.issnl | 1743-9213 | - |