Stellar Population Properties of Ultracompact Dwarfs in M87: A Mass-Metallicity Correlation Connecting Low-metallicity Globular Clusters and Compact Ellipticals

We derive stellar population parameters for a representative sample of ultracompact dwarfs (UCDs) and a large sample of massive globular clusters (GCs) with stellar masses 106 M in the central galaxy M87 of the Virgo galaxy cluster, based on model fitting to the Lick-index measurements from both the...

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Veröffentlicht in:	The Astrophysical journal 2018-05, Vol.858 (1), p.37
Hauptverfasser:	Zhang, Hong-Xin, Puzia, Thomas H., Peng, Eric W., Liu, Chengze, Côté, Patrick, Ferrarese, Laura, Duc, Pierre-Alain, Eigenthaler, Paul, Lim, Sungsoon, Lançon, Ariane, Muñoz, Roberto P., Roediger, Joel, Sánchez-Janssen, Ruben, Taylor, Matthew A., Yu, Jincheng
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrophysics Dwarf galaxies Elliptical galaxies Faint objects galaxies: clusters: individual (Virgo) galaxies: dwarf galaxies: formation galaxies: star clusters: general galaxies: stellar content Globular clusters globular clusters: general Iron Metallicity Nuclei Physics Space telescopes Star & galaxy formation Star formation Virgo galactic cluster
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