dc.contributor.author |
Reddy, B. E |
|
dc.contributor.author |
Lambert, D. L |
|
dc.date.accessioned |
2009-04-08T10:42:18Z |
|
dc.date.available |
2009-04-08T10:42:18Z |
|
dc.date.issued |
2008-11 |
|
dc.identifier.citation |
Monthly Notices of the Royal Astronomical Society, Vol. 391, No. 1, pp. 95 - 109 |
en |
dc.identifier.issn |
0035-8711 |
|
dc.identifier.uri |
http://hdl.handle.net/2248/4442 |
|
dc.description.abstract |
An abundance analysis is presented of 60 metal-poor stars drawn from catalogues of nearby stars provided by Arifyanto et al. and Schuster et al. In an attempt to isolate a sample of metal-weak thick disc stars, we applied the kinematic criteria V/subrot >= 100kms/sup -1,|U/sub LSR| <= 140kms/sup-1 (LSR - local standard of rest) and |W/sub LSR| <= 100kms/sup -1. 14 stars satisfying these criteria and having [Fe/H] <= -1.0 are included in the sample of 60 stars. Eight of the 14 have [Fe/H] >= -1.3 and may be simply thick disc stars of slightly lower than average [Fe/H]. The other six have [Fe/H] from -1.3 to -2.3 and are either metal-weak thick disc stars or halo stars with kinematics mimicking those of the thick disc. The sample of 60 stars is completed by eight thick disc stars, 20 stars of a hybrid nature (halo or thick disc stars) and 18 stars with kinematics distinctive of the halo. |
en |
dc.language.iso |
en |
en |
dc.publisher |
Royal Astronomical Society |
en |
dc.relation.uri |
http://dx.doi.org/10.1111/j.1365-2966.2008.13905.x |
en |
dc.relation.uri |
http://arxiv.org/abs/0809.0966 |
en |
dc.rights |
© Royal Astronomical Society |
en |
dc.subject |
Stars: Abundances |
en |
dc.subject |
Stars: Atmospheres |
en |
dc.subject |
Stars: Kinematics |
en |
dc.subject |
Galaxy: Abundances |
en |
dc.subject |
Galaxy: Evolution |
en |
dc.title |
Searching for the metal-weak thick disc in the solar neighbourhood |
en |
dc.type |
Article |
en |