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    GHOST Commissioning Science Results. IV. Chemodynamical Analyses of Milky Way Satellites Sagittarius II and Aquarius II

    GHOST Commissioning Science Results. IV. Chemodynamical Analyses of Milky Way Satellites Sagittarius II and Aquarius II af Daria Zaremba, Kim Venn, Christian R. Hayes, Raphaël Errani, Triana Cornejo, Jennifer Glover, Jaclyn Jensen, Alan W. McConnachie, Julio F. Navarro, John Pazder, Federico Sestito, André Anthony, Dave Andersen, Gabriella Baker, Timothy Chin, Vladimir Churilov, Ruben Diaz, Tony Farrell, Veronica Firpo, Manuel Gomez-Jimenez, David Henderson, Venu M. Kalari, Jon Lawrence, Steve Margheim, Bryan Miller, J. Gordon Robertson, Roque Ruiz-Carmona, Katherine Silversides, Karleyne Silva, Peter J. Young, Ross Zhelem

    Udgivet 2025-01-01

    We present Gemini/GHOST high-resolution spectra of five stars observed in two low surface brightness Milky Way satellites, Sagittarius II (Sgr2) and Aquarius II (Aqu2). For Aqu2, the velocities and metallicities of the two stars are consistent with membership in a dark-matter-dominated ultra-faint d...

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