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The ultra-diffuse galaxy NGC 1052-DF2 with MUSE: I. Kinematics of the stellar body
Eric Emsellem, Remco F. J. van der Burg, Jeremy Fensch +14
The so-called ultra-diffuse galaxy NGC~1052-DF2 was announced to be a galaxy lacking dark matter based on a spectroscopic study of its constituent globular clusters. Here we presen…
Mean proper motions, space orbits and velocity dispersion profiles of Galactic globular clusters derived from Gaia DR2 data
H. Baumgardt, M. Hilker, A. Sollima +1
We have derived the mean proper motions and space velocities of 154 Galactic globular clusters and the velocity dispersion profiles of 141 globular clusters based on a combination…
The Hydra I cluster core - II. Kinematic complexity in a rising velocity dispersion profile around the cD galaxy NGC 3311
M. Hilker, T. Richtler, C. E. Barbosa +3
NGC 3311, the central galaxy of the Hydra I cluster, shows signatures of recent infall of satellite galaxies from the cluster environment. Previous work has shown that the line-of-…
Star formation history and metallicity in the Galactic inner bulge revealed by the red giant branch bump
F. Nogueras-Lara, R. Schödel, H. Dong +10
The study of the inner region of the Milky Way's bulge is hampered by high interstellar extinction and extreme source crowding. Sensitive high angular resolution near-infrared imag…
The Next Generation Fornax Survey (NGFS): IV. Mass and Age Bimodality of Nuclear Clusters in the Fornax Core Region
Y. Ordenes-Briceño, T. H. Puzia, P. Eigenthaler +15
We present the analysis of 61 nucleated dwarf galaxies in the central regions () of the Fornax galaxy cluster. The galaxies and their nuclei are studied as part of…
A 3.5-million Solar Masses Black Hole in the Centre of the Ultracompact Dwarf Galaxy Fornax UCD3
Anton V. Afanasiev, Igor V. Chilingarian, Steffen Mieske +16
The origin of ultracompact dwarfs (UCDs), a class of compact stellar systems discovered two decades ago, still remains a matter of debate. Recent discoveries of central supermassiv…