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Conference Paper: Circumstellar CO in OH/IR stars close to the Galactic Centre

TitleCircumstellar CO in OH/IR stars close to the Galactic Centre
Authors
Issue Date2006
PublisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/EJ/journal/conf
Citation
Journal Of Physics: Conference Series, 2006, v. 54 n. 1, p. 166-170 How to Cite?
AbstractA pilot project is carried out to measure circumstellar CO emission from three OH/IR, stars close to the GC using the Nobeyama Millimeter Array at 115 GHz and the Sub-Millimeter Array at 230 GHz. An interferometer is necessary as a 'spatial filter' in this region of space because of the confusion with interstellar CO emission. The intention is to find out whether it is possible to later conduct a large-scale survey for mass-loss rates using, for example, ALMA. Thus an important parameter would be added to our understanding of the evolution of the Galactic Bulge. Sources have been detected towards two of the stars with correct positions and radial velocities. However, for one of the stars the line profile is not what one expects for expanding circumstellar envelopes. This surprising result is discussed and our plans for future observations are presented. © 2006 IOP Publishing Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/176183
ISSN
2015 SCImago Journal Rankings: 0.211
References

 

DC FieldValueLanguage
dc.contributor.authorWinnberg, Aen_US
dc.contributor.authorDeguchi, Sen_US
dc.contributor.authorHabing, HJen_US
dc.contributor.authorNakashima, Jen_US
dc.contributor.authorOlofsson, Hen_US
dc.contributor.authorReid, MJen_US
dc.date.accessioned2012-11-26T09:06:40Z-
dc.date.available2012-11-26T09:06:40Z-
dc.date.issued2006en_US
dc.identifier.citationJournal Of Physics: Conference Series, 2006, v. 54 n. 1, p. 166-170en_US
dc.identifier.issn1742-6588en_US
dc.identifier.urihttp://hdl.handle.net/10722/176183-
dc.description.abstractA pilot project is carried out to measure circumstellar CO emission from three OH/IR, stars close to the GC using the Nobeyama Millimeter Array at 115 GHz and the Sub-Millimeter Array at 230 GHz. An interferometer is necessary as a 'spatial filter' in this region of space because of the confusion with interstellar CO emission. The intention is to find out whether it is possible to later conduct a large-scale survey for mass-loss rates using, for example, ALMA. Thus an important parameter would be added to our understanding of the evolution of the Galactic Bulge. Sources have been detected towards two of the stars with correct positions and radial velocities. However, for one of the stars the line profile is not what one expects for expanding circumstellar envelopes. This surprising result is discussed and our plans for future observations are presented. © 2006 IOP Publishing Ltd.en_US
dc.languageengen_US
dc.publisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/EJ/journal/confen_US
dc.relation.ispartofJournal of Physics: Conference Seriesen_US
dc.titleCircumstellar CO in OH/IR stars close to the Galactic Centreen_US
dc.typeConference_Paperen_US
dc.identifier.emailNakashima, J: junichi@hku.hken_US
dc.identifier.authorityNakashima, J=rp00764en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1088/1742-6596/54/1/028en_US
dc.identifier.scopuseid_2-s2.0-33947707216en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33947707216&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume54en_US
dc.identifier.issue1en_US
dc.identifier.spage166en_US
dc.identifier.epage170en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridWinnberg, A=6603734778en_US
dc.identifier.scopusauthoridDeguchi, S=7006314159en_US
dc.identifier.scopusauthoridHabing, HJ=6701422516en_US
dc.identifier.scopusauthoridNakashima, J=35485342300en_US
dc.identifier.scopusauthoridOlofsson, H=7004294995en_US
dc.identifier.scopusauthoridReid, MJ=7402597222en_US
dc.identifier.citeulike1005128-

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