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The Next Generation Fornax Survey (NGFS). IV. Mass and Age Bimodality of Nuclear Clusters in the Fornax Core Region

  • Authors: Yasna Ordenes-Briceño, Thomas H. Puzia, Paul Eigenthaler, Matthew A. Taylor, Roberto P. Muñoz, Hongxin Zhang, Karla Alamo-Martínez, Karen X. Ribbeck, Eva K. Grebel, Simón Ángel, Patrick Côté, Laura Ferrarese, Michael Hilker, Ariane Lançon, Steffen Mieske, Bryan W. Miller, Yu Rong, and Ruben Sánchez-Janssen

2018 The Astrophysical Journal 860 4.

  • Provider: AAS Journals

Caption: Figure 1.

Central region of the Fornax galaxy cluster of the inner ∼25% of the virial radius (Rvir/4, see dashed circle), showing the spatial distribution of nucleated dwarfs (red symbols), nonnucleated dwarfs (gray symbols), and the nucleated galaxies studied by the ACSFCS (green symbols; see Côté et al. 2006). The field is centered on the giant elliptical cD galaxy NGC 1399, which is located at the center of the field. The symbol transparency parameterizes the galaxy luminosity as indicated in the top left corner: more-transparent symbols indicate fainter galaxies, while the ellipticity and position angle of the symbol represent the same parameters of the corresponding galaxy spheroid. Two red ellipses with green edges mark the two dwarf galaxies (FCC 202 and FCC 136) that are included in both the ACSFCS sample and this work.

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