The VISCACHA survey : II. Structure of star clusters in the Magellanic clouds periphery
We provide a homogeneous set of structural parameters of 83 star clusters located at the periphery of the Small Magellanic Cloud (SMC) and the Large Magellanic Cloud (LMC). The clusters’ stellar density and surface brightness profiles were built from deep, AO assisted optical images, and uniform ana...
| Autores: | ; ; ; ; ; ; ; ; ; ; ; ; ; |
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| Tipo de documento: | Artículo |
| Estado: | Published version |
| Fecha de publicación: | 2020 |
| País: | Brasil |
| Institución: | UFRGS |
| Repositorio: | Repositório Institucional da UFRGS |
| Lenguaje: | Inglés |
| OAI Identifier: | oai:www.lume.ufrgs.br:10183/223020 |
| Acceso en línea: | http://hdl.handle.net/10183/223020 |
| Nivel de acceso: | Acceso abierto |
| Palabra clave: | Nuvens de magalhaes Fotometria estelar Aglomerados estelares Surveys Galaxies: interactions Magellanic Clouds Galaxies: photometry Galaxies: star clusters: general Galaxies: structure |
| _version_ | 1878763636898398208 |
|---|---|
| author | Santos Junior, Joao Francisco Coelho dos |
| author2 | Maia, Francisco F. S. Dias, Bruno Moreira de Souza Kerber, Leandro de Oliveira Piatti, Andres E. Bica, Eduardo Luiz Damiani Angelo, Mateus S. Minniti, Dante Pérez Villegas, Maria de Los Angeles Roman-Lopes, Alexandre Westera, Pieter Fraga, Luciano Quint, Bruno C. Sanmartim, David |
| author2_role | author author author author author author author author author author author author author |
| author_browse | Angelo, Mateus S. Bica, Eduardo Luiz Damiani Dias, Bruno Moreira de Souza Fraga, Luciano Kerber, Leandro de Oliveira Maia, Francisco F. S. Minniti, Dante Piatti, Andres E. Pérez Villegas, Maria de Los Angeles Quint, Bruno C. Roman-Lopes, Alexandre Sanmartim, David Santos Junior, Joao Francisco Coelho dos Westera, Pieter |
| author_facet | Santos Junior, Joao Francisco Coelho dos Maia, Francisco F. S. Dias, Bruno Moreira de Souza Kerber, Leandro de Oliveira Piatti, Andres E. Bica, Eduardo Luiz Damiani Angelo, Mateus S. Minniti, Dante Pérez Villegas, Maria de Los Angeles Roman-Lopes, Alexandre Westera, Pieter Fraga, Luciano Quint, Bruno C. Sanmartim, David |
| author_role | author |
| bitstream_url_str_mv | http://www.lume.ufrgs.br/bitstream/10183/223020/2/001124297.pdf.txt http://www.lume.ufrgs.br/bitstream/10183/223020/1/001124297.pdf |
| collection | Repositório Institucional da UFRGS |
| description | We provide a homogeneous set of structural parameters of 83 star clusters located at the periphery of the Small Magellanic Cloud (SMC) and the Large Magellanic Cloud (LMC). The clusters’ stellar density and surface brightness profiles were built from deep, AO assisted optical images, and uniform analysis techniques. The structural parameters were obtained from King and Elson et al. model fittings. Integrated magnitudes and masses (for a subsample) are also provided. The sample contains mostly low surface brightness clusters with distances between 4.5 and 6.5 kpc and between 1 and 6.5 kpc from the LMC and SMC centres, respectively. We analysed their spatial distribution and structural properties, comparing them with those of inner clusters. Half-light and Jacobi radii were estimated, allowing an evaluation of the Roche volume tidal filling. We found that: (i) for our sample of LMC clusters, the tidal radii are, on average, larger than those of inner clusters from previous studies; (ii) the core radii dispersion tends to be greater for LMC clusters located towards the southwest, with position angles of ∼200◦ and about ∼5◦ from the LMC centre, i.e. those LMC clusters nearer to the SMC; (iii) the core radius evolution for clusters with known age is similar to that of inner clusters; (iv) SMC clusters with galactocentric distances closer than 4 kpc are overfilling; (v) the recent Clouds collision did not leave marks on the LMC clusters’ structure that our analysis could reveal. |
| eu_rights_str_mv | openAccess |
| format | article |
| id | BR_c1b9a5a6fb3622f46c1931cd44b71e00 |
| institution | UFRGS |
| instname_str | Universidade Federal do Rio Grande do Sul (UFRGS) |
| language | eng |
| network_acronym_str | BR |
| network_name_str | Brasil |
| oai_identifier_str | oai:www.lume.ufrgs.br:10183/223020 |
| publishDate | 2020 |
| publishDateSort | 2020 |
| reponame_str | Repositório Institucional da UFRGS |
| spelling | The VISCACHA survey : II. Structure of star clusters in the Magellanic clouds periphery Santos Junior, Joao Francisco Coelho dos Maia, Francisco F. S. Dias, Bruno Moreira de Souza Kerber, Leandro de Oliveira Piatti, Andres E. Bica, Eduardo Luiz Damiani Angelo, Mateus S. Minniti, Dante Pérez Villegas, Maria de Los Angeles Roman-Lopes, Alexandre Westera, Pieter Fraga, Luciano Quint, Bruno C. Sanmartim, David Nuvens de magalhaes Fotometria estelar Aglomerados estelares Surveys Galaxies: interactions Magellanic Clouds Galaxies: photometry Galaxies: star clusters: general Galaxies: structure We provide a homogeneous set of structural parameters of 83 star clusters located at the periphery of the Small Magellanic Cloud (SMC) and the Large Magellanic Cloud (LMC). The clusters’ stellar density and surface brightness profiles were built from deep, AO assisted optical images, and uniform analysis techniques. The structural parameters were obtained from King and Elson et al. model fittings. Integrated magnitudes and masses (for a subsample) are also provided. The sample contains mostly low surface brightness clusters with distances between 4.5 and 6.5 kpc and between 1 and 6.5 kpc from the LMC and SMC centres, respectively. We analysed their spatial distribution and structural properties, comparing them with those of inner clusters. Half-light and Jacobi radii were estimated, allowing an evaluation of the Roche volume tidal filling. We found that: (i) for our sample of LMC clusters, the tidal radii are, on average, larger than those of inner clusters from previous studies; (ii) the core radii dispersion tends to be greater for LMC clusters located towards the southwest, with position angles of ∼200◦ and about ∼5◦ from the LMC centre, i.e. those LMC clusters nearer to the SMC; (iii) the core radius evolution for clusters with known age is similar to that of inner clusters; (iv) SMC clusters with galactocentric distances closer than 4 kpc are overfilling; (v) the recent Clouds collision did not leave marks on the LMC clusters’ structure that our analysis could reveal. 0035-8711 http://hdl.handle.net/10183/223020 001124297 |
| spellingShingle | The VISCACHA survey : II. Structure of star clusters in the Magellanic clouds periphery Santos Junior, Joao Francisco Coelho dos Nuvens de magalhaes Fotometria estelar Aglomerados estelares Surveys Galaxies: interactions Magellanic Clouds Galaxies: photometry Galaxies: star clusters: general Galaxies: structure |
| status_str | publishedVersion |
| title | The VISCACHA survey : II. Structure of star clusters in the Magellanic clouds periphery |
| title_full | The VISCACHA survey : II. Structure of star clusters in the Magellanic clouds periphery |
| title_fullStr | The VISCACHA survey : II. Structure of star clusters in the Magellanic clouds periphery |
| title_full_unstemmed | The VISCACHA survey : II. Structure of star clusters in the Magellanic clouds periphery |
| title_short | The VISCACHA survey : II. Structure of star clusters in the Magellanic clouds periphery |
| title_sort | The VISCACHA survey : II. Structure of star clusters in the Magellanic clouds periphery |
| topic | Nuvens de magalhaes Fotometria estelar Aglomerados estelares Surveys Galaxies: interactions Magellanic Clouds Galaxies: photometry Galaxies: star clusters: general Galaxies: structure |
| topic_facet | Nuvens de magalhaes Fotometria estelar Aglomerados estelares Surveys Galaxies: interactions Magellanic Clouds Galaxies: photometry Galaxies: star clusters: general Galaxies: structure |
| url | http://hdl.handle.net/10183/223020 |