A Supra-galactic Conundrum: The Globular Clusters Colour Pattern in Virgo Galaxies
The presence of systematic modulations in the colour distributions in composite samples of globular clusters (GCs) associated with galaxies in the Virgo and Fornax clusters has been reported in a previous work. In this paper, we focus on the 27 brightest galaxies in Virgo, and in particular on NGC 4...
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| Autores principales: | , , , , , , , , , , |
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| Formato: | Articulo Preprint |
| Lenguaje: | Inglés |
| Publicado: |
2019
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| Materias: | |
| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/93603 https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/sty2746/5126368 https://arxiv.org/abs/1810.04784 |
| Aporte de: |
| id |
I19-R120-10915-93603 |
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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 |
Astronomía Física Ciencias Naturales Ciencias Exactas Galaxies: star clusters: general |
| spellingShingle |
Astronomía Física Ciencias Naturales Ciencias Exactas Galaxies: star clusters: general Forte, Juan Carlos Cellone, Sergio Aldo de Rossi, Maria Emilia Escudero, Carlos Gabriel Faifer, Favio Raúl Geisler, Douglas González, Nélida M. Scalia, María Cecilia Sesto, Leandro Alberto Smith Castelli, Analia Viviana Vega, Ema Irene A Supra-galactic Conundrum: The Globular Clusters Colour Pattern in Virgo Galaxies |
| topic_facet |
Astronomía Física Ciencias Naturales Ciencias Exactas Galaxies: star clusters: general |
| description |
The presence of systematic modulations in the colour distributions in composite samples of globular clusters (GCs) associated with galaxies in the Virgo and Fornax clusters has been reported in a previous work. In this paper, we focus on the 27 brightest galaxies in Virgo, and in particular on NGC 4486, the dominant system in terms of GC population. The new analysis includes ≈ 7600 cluster candidates brighter than g = 24.5 (or T1 ≈ 23.70). The results indicate the presence of the characteristic Virgo pattern in these galaxies and that this pattern is detectable over a galactocentric range from 3 to 30 kpc in NGC 4486. This finding gives more support to the idea that the pattern has been the result of an external, still not identified phenomenon, capable of synchronizing the cluster formation in a kind of viral process, and on supragalactic scales (also having, presumably, an impact on the overall star formation history in the entire Virgo cluster). |
| format |
Articulo Preprint |
| author |
Forte, Juan Carlos Cellone, Sergio Aldo de Rossi, Maria Emilia Escudero, Carlos Gabriel Faifer, Favio Raúl Geisler, Douglas González, Nélida M. Scalia, María Cecilia Sesto, Leandro Alberto Smith Castelli, Analia Viviana Vega, Ema Irene |
| author_facet |
Forte, Juan Carlos Cellone, Sergio Aldo de Rossi, Maria Emilia Escudero, Carlos Gabriel Faifer, Favio Raúl Geisler, Douglas González, Nélida M. Scalia, María Cecilia Sesto, Leandro Alberto Smith Castelli, Analia Viviana Vega, Ema Irene |
| author_sort |
Forte, Juan Carlos |
| title |
A Supra-galactic Conundrum: The Globular Clusters Colour Pattern in Virgo Galaxies |
| title_short |
A Supra-galactic Conundrum: The Globular Clusters Colour Pattern in Virgo Galaxies |
| title_full |
A Supra-galactic Conundrum: The Globular Clusters Colour Pattern in Virgo Galaxies |
| title_fullStr |
A Supra-galactic Conundrum: The Globular Clusters Colour Pattern in Virgo Galaxies |
| title_full_unstemmed |
A Supra-galactic Conundrum: The Globular Clusters Colour Pattern in Virgo Galaxies |
| title_sort |
supra-galactic conundrum: the globular clusters colour pattern in virgo galaxies |
| publishDate |
2019 |
| url |
http://sedici.unlp.edu.ar/handle/10915/93603 https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/sty2746/5126368 https://arxiv.org/abs/1810.04784 |
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