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A Fossil Bulge Globular Cluster revealed by VLT Multi-Conjugate Adaptive Optics
Sergio Ortolani, Beatriz Barbuy, Yazan Momany +5
The globular cluster HP1 is projected on the bulge, very close to the Galactic center. The Multi-Conjugate Adaptive Optics (MCAO) Demonstrator (MAD) at the Very Large Telescope (VL…
Comparing Various Approaches to Simulating the Formation of Shell Galaxies
Ivana Ebrova, Katerina Bartoskova, Bruno Jungwiert +2
The model of a radial minor merger proposed by Quinn (1984), which successfully reproduces the observed regular shell systems in shell galaxies, is ideal for a test-particle simula…
Quadruple-peaked Line-of-sight Velocity Distributions in Shell Galaxies
Ivana Ebrova, Lucie Jilkova, Bruno Jungwiert +4
We present an improved study of the expected shape of the line-of-sight velocity distribution in shell galaxies. We found a simple analytical expression connecting prominent and in…