Scaling relations for globular cluster systems in early-type galaxies
The formation and growth of globular cluster systems (GCSs) is closely related to the evolutionary processes experienced by their host galaxies. In particular, their radial distributions scale with several properties of the galaxies and their haloes. We performed a photometric study, by means of HST...
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| Autores principales: | , , , |
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| Formato: | Articulo |
| Lenguaje: | Inglés |
| Publicado: |
2019
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| Materias: | |
| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/124332 |
| Aporte de: |
| id |
I19-R120-10915-124332 |
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| record_format |
dspace |
| institution |
Universidad Nacional de La Plata |
| institution_str |
I-19 |
| repository_str |
R-120 |
| collection |
SEDICI (UNLP) |
| language |
Inglés |
| topic |
Ciencias Astronómicas Galaxies: elliptical and lenticular, cD Galaxies: evolution Galaxies: haloes Galaxies: star clusters: general |
| spellingShingle |
Ciencias Astronómicas Galaxies: elliptical and lenticular, cD Galaxies: evolution Galaxies: haloes Galaxies: star clusters: general Caso, Juan Pablo De Bórtoli, Bruno Javier Ennis, Ana Inés Bassino, Lilia Patricia Scaling relations for globular cluster systems in early-type galaxies |
| topic_facet |
Ciencias Astronómicas Galaxies: elliptical and lenticular, cD Galaxies: evolution Galaxies: haloes Galaxies: star clusters: general |
| description |
The formation and growth of globular cluster systems (GCSs) is closely related to the evolutionary processes experienced by their host galaxies. In particular, their radial distributions scale with several properties of the galaxies and their haloes. We performed a photometric study, by means of HST/ACS archival data of several intermediate luminosity galaxies located in low-density environments. It was supplemented with available photometric data of GCSs from the Virgo and Fornax clusters, resulting in a sample of almost 30 GCSs for which we fitted their radial profiles. The resulting overall properties agree with those from previous studies, as we found that the effective radius, extension, and concentration of the GCS radial profiles correlate with the stellar mass, effective radius, and number of globular clusters, presenting in some cases a bilinear relation. The extension also correlates with the central velocity dispersion for central galaxies, but not for satellites. From a statistical comparison with numerical simulations we obtained good agreement between the effective radius and extension of the GCS scale with the effective and virial radius of the haloes, respectively.
Finally, we analysed these results in the literature context. |
| format |
Articulo Articulo |
| author |
Caso, Juan Pablo De Bórtoli, Bruno Javier Ennis, Ana Inés Bassino, Lilia Patricia |
| author_facet |
Caso, Juan Pablo De Bórtoli, Bruno Javier Ennis, Ana Inés Bassino, Lilia Patricia |
| author_sort |
Caso, Juan Pablo |
| title |
Scaling relations for globular cluster systems in early-type galaxies |
| title_short |
Scaling relations for globular cluster systems in early-type galaxies |
| title_full |
Scaling relations for globular cluster systems in early-type galaxies |
| title_fullStr |
Scaling relations for globular cluster systems in early-type galaxies |
| title_full_unstemmed |
Scaling relations for globular cluster systems in early-type galaxies |
| title_sort |
scaling relations for globular cluster systems in early-type galaxies |
| publishDate |
2019 |
| url |
http://sedici.unlp.edu.ar/handle/10915/124332 |
| work_keys_str_mv |
AT casojuanpablo scalingrelationsforglobularclustersystemsinearlytypegalaxies AT debortolibrunojavier scalingrelationsforglobularclustersystemsinearlytypegalaxies AT ennisanaines scalingrelationsforglobularclustersystemsinearlytypegalaxies AT bassinoliliapatricia scalingrelationsforglobularclustersystemsinearlytypegalaxies |
| bdutipo_str |
Repositorios |
| _version_ |
1764820450143109121 |