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Article: SiO masers in a scutum massive star cluster of red supergiants
Title | SiO masers in a scutum massive star cluster of red supergiants |
---|---|
Authors | |
Keywords | Masers Open Clusters And Associations: Individual ([Bds2003] 122) Supergiants |
Issue Date | 2006 |
Publisher | Institute 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? |
Abstract | We 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 Identifier | http://hdl.handle.net/10722/175031 |
ISSN | 2023 Impact Factor: 8.8 2023 SCImago Journal Rankings: 2.766 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Nakashima, JI | en_US |
dc.contributor.author | Deguchi, S | en_US |
dc.date.accessioned | 2012-11-26T08:48:52Z | - |
dc.date.available | 2012-11-26T08:48:52Z | - |
dc.date.issued | 2006 | en_US |
dc.identifier.citation | Astrophysical Journal Letters, 2006, v. 647 n. 2 II, p. L139-L142 | en_US |
dc.identifier.issn | 2041-8205 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/175031 | - |
dc.description.abstract | We 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.language | eng | en_US |
dc.publisher | Institute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205 | en_US |
dc.relation.ispartof | Astrophysical Journal Letters | en_US |
dc.subject | Masers | en_US |
dc.subject | Open Clusters And Associations: Individual ([Bds2003] 122) | en_US |
dc.subject | Supergiants | en_US |
dc.title | SiO masers in a scutum massive star cluster of red supergiants | en_US |
dc.type | Article | en_US |
dc.identifier.email | Nakashima, JI: junichi@hku.hk | en_US |
dc.identifier.authority | Nakashima, JI=rp00764 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1086/507466 | en_US |
dc.identifier.scopus | eid_2-s2.0-33748552324 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-33748552324&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 647 | en_US |
dc.identifier.issue | 2 II | en_US |
dc.identifier.spage | L139 | en_US |
dc.identifier.epage | L142 | en_US |
dc.identifier.isi | WOS:000239830400014 | - |
dc.publisher.place | United Kingdom | en_US |
dc.identifier.scopusauthorid | Nakashima, JI=35485342300 | en_US |
dc.identifier.scopusauthorid | Deguchi, S=7006314159 | en_US |
dc.identifier.issnl | 2041-8205 | - |