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1. Identificação
Tipo de ReferênciaArtigo em Revista Científica (Journal Article)
Sitemtc-m21b.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador8JMKD3MGP3W34P/3HPC77H
Repositóriosid.inpe.br/mtc-m21b/2015/01.14.15.43
Última Atualização2015:01.14.15.43.11 (UTC) administrator
Repositório de Metadadossid.inpe.br/mtc-m21b/2015/01.14.15.43.11
Última Atualização dos Metadados2018:06.04.02.55.13 (UTC) administrator
DOI10.1051/0004-6361/201424821
ISSN0004-6361
1432-0746
Chave de CitaçãoLaganáLoMaLaCaSc:2015:MeElSt
TítuloA metal-rich elongated structure in the core of the group NGC 4325
Ano2015
Data de Acesso09 maio 2024
Tipo de Trabalhojournal article
Tipo SecundárioPRE PI
Número de Arquivos1
Tamanho2003 KiB
2. Contextualização
Autor1 Laganá, T. F.
2 Lovisari, L.
3 Martins, L.
4 Lanfranchi, G. A.
5 Capelato, Hugo Vicente
6 Schellenberger, G.
Identificador de Curriculo1
2
3
4
5 8JMKD3MGP5W/3C9JHCT
Grupo1
2
3
4
5 DAS-CEA-INPE-MCTI-GOV-BR
Afiliação1 Universidade Cruzeiro do Sul
2 Universität Bonn
3 Universidade Cruzeiro do Sul
4 Universidade Cruzeiro do Sul
5 Instituto Nacional de Pesquisas Espaciais (INPE)
6 Universität Bonn
Endereço de e-Mail do Autor1 tflagana@gmail.com
2
3
4
5 hugo@das.inpe.br
RevistaAstronomy & Astrophysics
Volume573
Nota SecundáriaA1_ENGENHARIAS_III A1_GEOCIÊNCIAS A2_INTERDISCIPLINAR A2_MATEMÁTICA_/_PROBABILIDADE_E A2_ENGENHARIAS_IV A2_ASTRONOMIA_/_FÍSICA B2_ENSINO C_ENGENHARIAS_II
Histórico (UTC)2015-01-14 15:44:15 :: simone -> administrator :: 2015
2018-06-04 02:55:13 :: administrator -> simone :: 2015
3. Conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteúdoExternal Contribution
Tipo de Versãopublisher
Palavras-Chavegalaxies
NGC 4325
intergalactic medium
halos
ResumoAims. Based on XMM-Newton, Chandra, and optical DR10-SDSS data, we investigate the metal enrichment history of the group NGC 4325 (z = 0.026). To complete the analysis we used chemical evolution models and studied the optical spectrum of the central dominant galaxy through its stellar population analysis and emission line diagnostics to analyse its role in the metal enrichment of the intra-group medium. Methods. We used X-ray 2D spectrally resolved maps to resolve structure in temperature and metallicity. We also derived gas and total masses within r2500 and r500 assuming hydrostatic equilibrium and spherical symmetry. To perform stellar population analysis we applied the spectral fitting technique with STARLIGHT to the optical spectrum of the central galaxy. We simulated the chemical evolution of the central galaxy. Results. While the temperature, pseudo-pressure, and pseudo-entropy maps showed no inhomogeneities, the spatial distribution of the metallicity shows a filamentary structure in the core of this group, which is spatially correlated with the central galaxy, suggesting a connection between the two. The analysis of the optical spectrum of the central galaxy showed no contribution by any recent AGN activity. Using the star formation history as input to chemical evolution models, we predicted the iron and oxygen mass released by supernovae (SNe) winds in the central galaxy up to the present time. Conclusions. Comparing the predicted amount of mass released by the NGC 4325 galaxy to the ones derived through X-ray analysis we conclude that the winds from the central galaxy alone play a minor role in the IGM metal enrichment of this group inside r2500. The SNe winds are responsible for no more than 3% of it and of the iron mass and 21% of the oxygen mass enclosed within r2500. Our results suggest that oxygen has been produced in the early stages of the group formation, becoming well mixed and leading to an almost flat profile. Instead, the iron distribution is centrally peaked, indicating that this element is still being added to the IGM specifically in the core by the SNIa. A possible scenario to explain the elongated metal-rich structure in the core of the NGC 4325 is a past AGN activity, in which our results suggest an episode older than ~107−108 yrs and younger than 5 × 108. Through the overall distribution of the galaxies, we found no signs of recent merger in the group centre that could explain the metal-rich structure.
ÁreaCEA
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Conteúdo da Pasta docacessar
Conteúdo da Pasta sourcenão têm arquivos
Conteúdo da Pasta agreement
agreement.html 14/01/2015 13:43 1.0 KiB 
4. Condições de acesso e uso
URL dos dadoshttp://urlib.net/ibi/8JMKD3MGP3W34P/3HPC77H
URL dos dados zipadoshttp://urlib.net/zip/8JMKD3MGP3W34P/3HPC77H
Idiomaen
Arquivo Alvometal rich.pdf
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Política de Arquivamentoallowpublisher allowfinaldraft
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Permissão de Atualizaçãonão transferida
5. Fontes relacionadas
Repositório Espelhourlib.net/www/2011/03.29.20.55
Unidades Imediatamente Superiores8JMKD3MGPCW/3ETR8EH
Lista de Itens Citandosid.inpe.br/mtc-m21/2012/07.13.14.50.04 1
DivulgaçãoWEBSCI; PORTALCAPES; COMPENDEX; SCOPUS.
Acervo Hospedeirosid.inpe.br/mtc-m21b/2013/09.26.14.25.20
6. Notas
Campos Vaziosalternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel e-mailaddress format isbn label lineage mark month nextedition notes number orcid pages parameterlist parentrepositories previousedition previouslowerunit progress project rightsholder schedulinginformation secondarydate secondarykey session shorttitle sponsor subject tertiarymark tertiarytype url
7. Controle da descrição
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