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Article: SiO masers in a scutum massive star cluster of red supergiants

TitleSiO masers in a scutum massive star cluster of red supergiants
Authors
KeywordsMasers
Open Clusters And Associations: Individual ([Bds2003] 122)
Supergiants
Issue Date2006
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205
Citation
Astrophysical Journal Letters, 2006, v. 647 n. 2 II, p. L139-L142 How to Cite?
AbstractWe have detected five objects toward a Scutum massive star cluster of red supergiants in the SiO J = 1-0, v = 1 or v = 2 transitions. The radial velocity data indicate that four of the detections are cluster members and that the other, which is located close to the X-ray source AX 1838-0655, is a foreground object. The high velocity resolution of the maser lines provides a more accurate determination of the radial velocity (120 km s-1) and velocity dispersion (∼2 km s-1) of the cluster and, hence, of the distance (6.5 kpc) and luminosities of the stars. We discuss the implications of these measurements in constraining the relationships between SiO masers and mass-loss rate and modeling the cluster age and mass. © 2006. The American Astronomical society. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/175031
ISSN
2015 Impact Factor: 5.487
2015 SCImago Journal Rankings: 3.369
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorNakashima, JIen_US
dc.contributor.authorDeguchi, Sen_US
dc.date.accessioned2012-11-26T08:48:52Z-
dc.date.available2012-11-26T08:48:52Z-
dc.date.issued2006en_US
dc.identifier.citationAstrophysical Journal Letters, 2006, v. 647 n. 2 II, p. L139-L142en_US
dc.identifier.issn2041-8205en_US
dc.identifier.urihttp://hdl.handle.net/10722/175031-
dc.description.abstractWe have detected five objects toward a Scutum massive star cluster of red supergiants in the SiO J = 1-0, v = 1 or v = 2 transitions. The radial velocity data indicate that four of the detections are cluster members and that the other, which is located close to the X-ray source AX 1838-0655, is a foreground object. The high velocity resolution of the maser lines provides a more accurate determination of the radial velocity (120 km s-1) and velocity dispersion (∼2 km s-1) of the cluster and, hence, of the distance (6.5 kpc) and luminosities of the stars. We discuss the implications of these measurements in constraining the relationships between SiO masers and mass-loss rate and modeling the cluster age and mass. © 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/2041-8205en_US
dc.relation.ispartofAstrophysical Journal Lettersen_US
dc.subjectMasersen_US
dc.subjectOpen Clusters And Associations: Individual ([Bds2003] 122)en_US
dc.subjectSupergiantsen_US
dc.titleSiO masers in a scutum massive star cluster of red supergiantsen_US
dc.typeArticleen_US
dc.identifier.emailNakashima, JI: junichi@hku.hken_US
dc.identifier.authorityNakashima, JI=rp00764en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1086/507466en_US
dc.identifier.scopuseid_2-s2.0-33748552324en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33748552324&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume647en_US
dc.identifier.issue2 IIen_US
dc.identifier.spageL139en_US
dc.identifier.epageL142en_US
dc.identifier.isiWOS:000239830400014-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridNakashima, JI=35485342300en_US
dc.identifier.scopusauthoridDeguchi, S=7006314159en_US

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