Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/28716
DC Field | Value | Language |
---|---|---|
dc.contributor.author | MacLean, B. T. | en_US |
dc.contributor.author | Campbell, S. W. | en_US |
dc.contributor.author | De Silva, G. M. | en_US |
dc.contributor.author | Lattanzio, J. | en_US |
dc.contributor.author | D'ORAZI, VALENTINA | en_US |
dc.contributor.author | Cottrell, P. L. | en_US |
dc.contributor.author | AL MOMANY, YAZAN | en_US |
dc.contributor.author | Casagrande, L. | en_US |
dc.date.accessioned | 2020-12-04T15:28:38Z | - |
dc.date.available | 2020-12-04T15:28:38Z | - |
dc.date.issued | 2018 | en_US |
dc.identifier.issn | 0035-8711 | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/28716 | - |
dc.description.abstract | It has been well established that Galactic Globular clusters (GCs) harbour more than one stellar population, distinguishable by the anticorrelations of light-element abundances (C-N, Na-O, and Mg-Al). These studies have been extended recently to the asymptotic giant branch (AGB). Here, we investigate the AGB of NGC 6397 for the first time. We have performed an abundance analysis of high-resolution spectra of 47 red giant branch (RGB) and eight AGB stars, deriving Fe, Na, O, Mg, and Al abundances. We find that NGC 6397 shows no evidence of a deficit in Na-rich AGB stars, as reported for some other GCs - the subpopulation ratios of the AGB and RGB in NGC 6397 are identical, within uncertainties. This agrees with expectations from stellar theory. This GC acts as a control for our earlier work on the AGB of M4 (with contrasting results), since the same tools and methods were used. | en_US |
dc.language.iso | eng | en_US |
dc.title | AGB subpopulations in the nearby globular cluster NGC 6397 | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.1093/mnras/stx3217 | en_US |
dc.identifier.scopus | 2-s2.0-85041297077 | en_US |
dc.identifier.isi | 000427144200021 | en_US |
dc.identifier.url | https://academic.oup.com/mnras/article-abstract/475/1/257/4739354 | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 475 | en_US |
dc.relation.issue | 1 | en_US |
dc.relation.firstpage | 257 | en_US |
dc.type.referee | REF_1 | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2018MNRAS.475..257M | en_US |
dc.relation.ercsector | ERC sectors::Physical Sciences and Engineering::PE9 Universe sciences: astro-physics/chemistry/biology; solar systems; stellar, galactic and extragalactic astronomy, planetary systems, cosmology, space science, instrumentation::PE9_6 Stars and stellar systems | en_US |
dc.description.apc | no | en_US |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegare il file al passo 5-Carica) | en_US |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | Article | - |
item.languageiso639-1 | en | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | O.A. Padova | - |
crisitem.author.dept | O.A. Padova | - |
crisitem.author.orcid | 0000-0002-2662-3762 | - |
crisitem.author.orcid | 0000-0001-8946-8723 | - |
crisitem.journal.journalissn | 0035-8711 | - |
crisitem.journal.ance | E112946 | - |
Appears in Collections: | 1.01 Articoli in rivista |
Files in This Item:
File | Description | Size | Format | |
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1712.03340.pdf | 467.68 kB | Adobe PDF | View/Open | |
stx3217.pdf | PDF editoriale | 798.73 kB | Adobe PDF | View/Open |
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