| 1. Identificação | |
| Tipo de Referência | Artigo em Revista Científica (Journal Article) |
| Site | mtc-m16b.sid.inpe.br |
| Código do Detentor | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
| Identificador | 6qtX3pFwXQZGivnK2Y/QquSp |
| Repositório | sid.inpe.br/mtc-m17@80/2007/06.11.19.34 |
| Última Atualização | 2013:07.23.12.42.13 (UTC) administrator |
| Repositório de Metadados | sid.inpe.br/mtc-m17@80/2007/06.11.19.34.06 |
| Última Atualização dos Metadados | 2018:06.05.03.30.23 (UTC) administrator |
| Chave Secundária | INPE--PRE/ |
| DOI | 10.1051/0004-6361:20054615 |
| ISSN | 0004-6361 1432-0746 |
| Chave de Citação | MiloneRickPast:2008:StPoAb |
| Título | The elliptical galaxies NGC 1052 and NGC 7796: stellar populations and abundance alpha/Fe ratio  |
| Ano | 2008 |
| Data de Acesso | 17 maio 2024 |
| Tipo Secundário | PRE PI {} {} {PRE PI} |
| Número de Arquivos | 2 |
| Tamanho | 2667 KiB |
| 2. Contextualização | |
| Autor | 1 Milone, André de Castro 2 Rickes, M. G. 3 Pastoriza, M. G. |
| Grupo | 1 DAS-INPE-MCT-BR |
| Afiliação | 1 Instituto Nacional de Pesquisas Espaciais (INPE) |
| Revista | Astronomy & Astrophysics |
| Volume | PAPER˙N1052˙N7796 |
| Histórico (UTC) | 2007-06-29 19:12:15 :: rosemary -> simone :: 2007-11-26 11:39:33 :: simone -> administrator :: 2012-10-23 23:53:30 :: administrator -> simone :: 2007 2013-02-20 15:19:58 :: simone -> administrator :: 2007 2013-07-08 14:17:44 :: administrator -> marciana :: 2007 2013-07-23 12:47:46 :: marciana -> administrator :: 2007 2013-12-11 15:15:02 :: administrator :: 2007 -> 2008 2018-06-05 03:30:23 :: administrator -> marciana :: 2008 |
| 3. Conteúdo e estrutura | |
| É a matriz ou uma cópia? | é a matriz |
| Estágio do Conteúdo | concluido |
| Transferível | 1 |
| Tipo do Conteúdo | External Contribution |
| Tipo de Versão | finaldraft |
| Palavras-Chave | Ellipitical galaxies Stars ASTROPHYSICS |
| Resumo | Context: The spatial distribution of the stellar populations inside a spheroidal system and their kinematical properties supply important informations about the formation process. Aims: We have performed a detailed stellar population analysis using long slit spectroscopic observations up to almost one effective radius of two different early-type galaxies of low density regions of the local Universe: NGC 1052, a E4 Liner prototype of a loose group that has a stellar rotating disc, and NGC 7796, a E1 of the field which shows a kinematically distinct core. The mean luminosity-weighted stellar age, metallicity, and alpha/Fe ratio along both photometric axes of them have been obtained in order to reconstruct the star formation history in their kinematically distinct subsystems. Methods: We have measured Lick indices and computed their radial gradients. They were compared with the predicted ones of simple stellar population models. We have also applied a stellar population synthesis. Results: The star characteristics are associated with their kinematics: they are older and alpha-enhanced in the bulge of NGC 1052 and core of NGC 7796, while they show a strong spread of alpha/Fe and age along the disc of NGC 1052 and an outwards radial decreasing of them outside the core of NGC 7796. The age variation is possibly connected to the alpha/Fe one. Conclusions: Both galaxies were formed by processes in which the star formation occurred firstly at the bulge (NGC 1052) and nucleus (NGC 7796) 12-15 Gyr ago on short timescales (0.1-1 Gyr) providing an efficient chemical enrichment by SN-II. In the disc of NGC 1052, there is some spread of age and formation timescales around its stars. In NGC 7796, the star formation timescale had some outwards radial increasing along both axes. |
| Área | CEA |
| Arranjo | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDAS > The elliptical galaxies... |
| Conteúdo da Pasta doc | acessar |
| Conteúdo da Pasta source | não têm arquivos |
| Conteúdo da Pasta agreement | não têm arquivos |
| 4. Condições de acesso e uso | |
| URL dos dados | http://mtc-m16b.sid.inpe.br/ibi/6qtX3pFwXQZGivnK2Y/QquSp |
| URL dos dados zipados | http://mtc-m16b.sid.inpe.br/zip/6qtX3pFwXQZGivnK2Y/QquSp |
| Idioma | en |
| Arquivo Alvo | 0703425v1.pdf |
| Grupo de Usuários | administrator marciana rosemary simone |
| Grupo de Leitores | administrator marciana |
| Visibilidade | shown |
| Política de Arquivamento | allowpublisher allowfinaldraft |
| Permissão de Leitura | allow from all |
| Permissão de Atualização | não transferida |
| 5. Fontes relacionadas | |
| Unidades Imediatamente Superiores | 8JMKD3MGPCW/3ETR8EH |
| Acervo Hospedeiro | lcp.inpe.br/ignes/2004/02.12.18.39 cptec.inpe.br/walmeida/2003/04.25.17.12 |
| 6. Notas | |
| Notas | arXiv:astro-ph/0703425 or arXiv:astro-ph/0703425v1 for this version |
| Campos Vazios | alternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel dissemination e-mailaddress electronicmailaddress format isbn label lineage mark mirrorrepository month nextedition number orcid pages parameterlist parentrepositories previousedition previouslowerunit progress project resumeid rightsholder schedulinginformation secondarydate secondarymark session shorttitle sponsor subject tertiarymark tertiarytype typeofwork url |
| 7. Controle da descrição | |
| e-Mail (login) | marciana |
| atualizar | |