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On the Origin of Mass Segregation in NGC 3603
Xiaoying Pang, Eva K. Grebel, Richard J. Allison +5
We present deep Hubble Space Telescope/Wide Field and Planetary Camera 2 photometry of the young HD 97950 star cluster in the giant H {\sc ii} region NGC 3603. The data were obtain…
Giant Galaxies, Dwarfs, and Debris Survey. I. Dwarf Galaxies and Tidal Features Around NGC 7331
Johannes Ludwig, Anna Pasquali, Eva K. Grebel +1
The Giant GAlaxies, Dwarfs, and Debris Survey concentrates on the nearby universe to study how galaxies have interacted in groups of different morphology, density, and richness. In…
Velocity and abundance precisions for future high-resolution spectroscopic surveys: a study for 4MOST
E. Caffau, A. Koch, L. Sbordone +19
In preparation for future, large-scale, multi-object, high-resolution spectroscopic surveys of the Galaxy, we present a series of tests of the precision in radial velocity and chem…
Population gradients and photometric metallicities in early- and transition-type dwarf galaxies: Clues from the Sculptor group
S. Lianou, E. Grebel, G. S. Da Costa +3
We focus on the resolved stellar populations of one early- and four transition-type dwarf galaxies in the Sculptor group, with the aim to examine the potential presence of populati…
Three dimensional maps of the Magellanic Clouds using RR Lyrae Stars and Cepheids II. The Small Magellanic Cloud
Raoul Haschke, Eva K. Grebel, Sonia Duffau
We use data on variable stars from the Optical Gravitational Lensing Experiment (OGLE III) survey to determine the three-dimensional structure of the Small Magellanic Cloud (SMC).…
Thin disk kinematics from RAVE and the solar motion
S. Pasetto, E. K. Grebel, T. Zwitter +14
Aims. We study the Milky Way thin disk with the Radial Velocity Experiment (RAVE) survey. We consider the thin and thick disks as different Galactic components and present a techni…