Výsledky vyhledávání - "Aglomerados globulares"

Dissertation/ Thesis

Múltiplas populações com filtros UV do Telescópio Espacial Hubble e ajuste de isócronas em aglomerados globulares do Bojo

Autor: Oliveira, Raphael Augusto Pereira de

Os aglomerados globulares (GCs) são laboratórios essenciais no estudo da formação e evolução quimiodinâmica da Via Láctea, pois formaram-se durante os episódios iniciais de formação estelar das galáxias. Na última década, evidências ob

Externí odkaz: http://www.teses.usp.br/teses/disponiveis/14/14131/tde-22042019-160918/

Zobrazit plný text záznamu

The complex globular cluster system of the S0 galaxy NGC 4382 in the outskirts of the Virgo Cluster

Autor: Carlos G Escudero, Arianna Cortesi, Favio R Faifer, Leandro A Sesto, Analía V Smith Castelli, Evelyn J Johnston, Victoria Reynaldi, Ana L Chies-Santos, Ricardo Salinas, Karín Menéndez-Delmestre, Thiago S Gonçalves, Marco Grossi, Claudia Mendes de Oliveira

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

NGC 4382 is a merger-remnant galaxy that has been classified as morphological type E2, S0, and even Sa. In this work, we performed a photometric and spectroscopic analysis of the globular cluster (GC) system of this peculiar galaxy in order to provid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f7fd5ec46b4fb616be3965d22b69221

Zobrazit plný text záznamu

Photo-chemo-dynamical analysis and the origin of the bulge globular cluster Palomar 6

Autor: Eduardo Luiz Damiani Bica, Cristina Chiappini, Marica Valentini, Stefano O. Souza, Sergio Ortolani, Domenico Nardiello, Angeles Pérez-Villegas, Beatriz Barbuy, Friedrich Anders, Bruno Dias

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, 2021, 656, 22 pp. ⟨10.1051/0004-6361/202141768⟩
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

[Context] Palomar 6 (Pal6) is a moderately metal-poor globular cluster projected towards the Galactic bulge. A full analysis of the cluster can give hints on the early chemical enrichment of the Galaxy and a plausible origin of the cluster. [Aims] Th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a9a663142d3ec2955521535a3781fa4
http://hdl.handle.net/10261/261221

Zobrazit plný text záznamu

A deep view of a fossil relic in the Galactic bulge: the Globular Cluster HP 1

Autor: Sergio Ortolani, Domenico Nardiello, Mattia Libralato, Eduardo Luiz Damiani Bica, Leandro Kerber, Angeles Pérez-Villegas, Bruno Dias, Stefano O. Souza, Beatriz Barbuy, R. A. P. Oliveira

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

HP$\,$1 is an $\alpha$-enhanced and moderately metal-poor bulge globular cluster with a blue horizontal branch. These combined characteristics make it a probable relic of the early star formation in the innermost Galactic regions. Here we present a d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::709c5771cf0d5f1254b27d3c72235db1
https://doi.org/10.1093/mnras/stz003

Zobrazit plný text záznamu

UVES analysis of red giants in the bulge globular cluster NGC 6522

Autor: Raphael Hirschi, L. Muniz, Leandro Kerber, Beatriz Barbuy, Marco Pignatari, E. Depagne, Sergio Ortolani, E. Cantelli, F. F. S. Maia, Eduardo Luiz Damiani Bica, Susana O. Souza, Cristina Chiappini, Gabriele Cescutti

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

NGC 6522 is a moderately metal-poor bulge globular cluster ([Fe/H]$\sim$$-$1.0), and it is a well-studied representative among a number of moderately metal-poor blue horizontal branch clusters located in the bulge. The NGC 6522 abundance pattern can

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a473094d88ee19a9e8bb76107fe4e7f6
http://hdl.handle.net/11577/3414037

Zobrazit plný text záznamu

A rica população de galáxias jellyfish no sistema multi-aglomerado Abell 901/2 em z ~ 0.165

Autor: Oliveira, Fernanda Vitória Roman de

Publikováno v: Biblioteca Digital de Teses e Dissertações da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

A evolução de galáxias pode ser significativamente alterada em aglomerados de galáxias em resultado das interações com outras galáxias e com o meio intra-aglomerado que as cerca. Galáxias água-viva, conhecidas como galáxias jellyfish, sao o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::11fedc01a216660e60c2808c78e6ed16

Zobrazit plný text záznamu

Lifting the dust veil from the globular cluster Palomar 2

Autor: Bonatto, Charles Jose, Chies-Santos, Ana Leonor

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

This work employs high-quality Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS) F606W and F814W photometry to correct for the differential reddening affecting the colour–magnitude diagram (CMD) of the poorly studied globular cluster (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::d5326c0cbe6d87bdfb2020f1efa9eb85

Zobrazit plný text záznamu

Abundances from integrated spectra of 47 Tucanae (NGC 104)

Autor: T. C. Moura, Marina Trevisan, Christiano Santos Rennó, Beatriz Barbuy

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

47 Tucanae is among the most studied and observed globular clusters, given its proximity. The aim of this work is to study in detail the integrated spectrum of 47 Tucanae, as a template, in order to have a list of reliable lines that are validated fo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c253abcddacf3b3208e3e9457a50960

Zobrazit plný text záznamu

The enigmatic globular cluster UKS 1 obscured by the bulge : H-band discovery of nitrogen-enhanced stars

Autor: Fernández-Trincado, José Gregorio, Minniti, Dante, Beers, Timothy C., Villanova , Sandro, Geisler, Doug, Souza, Stefano O., Smith, Leigh C., Placco, Vinicius M., Vieira, Katherine, Pérez Villegas, Maria de Los Angeles, Barbuy, Beatriz, Alves-Brito, Alan, Bidin, Christian Moni, Alonso Garcia, Javier, Tang, Baitian, Palma, Tali

Publikováno v: Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS

The presence of nitrogen-enriched stars in globular clusters provides key evidence for multiple stellar populations (MPs), as has been demonstrated with globular cluster spectroscopic data towards the bulge, disk, and halo. In this work, we employ th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::bcab75dd1ca959fe7aa4c5f1696344a8

Zobrazit plný text záznamu

Chemical analysis of eight giant stars of the globular cluster NGC 6366

Autor: Alan Alves-Brito, Beatriz Barbuy, Bruno Dias, Arthur Alencastro Puls, Fabíola Campos

The metal-rich Galactic globular cluster NGC 6366 is the fifth closest to the Sun. Despite its interest, it has received scarce attention, and little is known about its internal structure. Its kinematics suggests a link to the halo, but its metallici

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65ea904765d391d2f9e9feb4314ac66f
https://doi.org/10.1093/mnras/sty267

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání