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Merger rates in primordial black hole clusters without initial binaries
Valeriya Korol, Ilya Mandel, M. Coleman Miller +2
Primordial black holes formed through the collapse of cosmological density fluctuations have been hypothesised as contributors to the dark matter content of the Universe. At the sa…
Super-Earth ingestion can explain the anomalously high metal abundances of M67 Y2235
Ross P. Church, Alexander J. Mustill, Fan Liu
We investigate the hypothesis that ingestion of a terrestrial or super-Earth planet could cause the anomalously high metal abundances seen in a turn-off star in the open cluster M6…
The Ecology of the Galactic Centre: Nuclear Stellar Clusters and Supermassive Black Holes
Melvyn B. Davies, Abbas Askar, Ross P. Church
Supermassive black holes are found in most galactic nuclei. A large fraction of these nuclei also contain a nuclear stellar cluster surrounding the black hole. Here we consider the…
Stellar escapers from M67 can reach solar-like Galactic orbits
T. G. Jørgensen, R. P. Church
We investigate the possibility that the Sun could have been born in M67 by carrying out -body simulations of M67-like clusters in a time-varying Galactic environment, and follow…
4MOST Consortium Survey 4: Milky Way Disc and Bulge High-Resolution Survey (4MIDABLE-HR)
T. Bensby, M. Bergemann, J. Rybizki +21
The signatures of the formation and evolution of a galaxy are imprinted in its stars. Their velocities, ages, and chemical compositions present major constraints on models of galax…
4MOST Consortium Survey 3: Milky Way Disc and Bulge Low-Resolution Survey (4MIDABLE-LR)
C. Chiappini, I. Minchev, E. Starkenburg +35
The mechanisms of the formation and evolution of the Milky Way are encoded in the orbits, chemistry and ages of its stars. With the 4MOST MIlky way Disk And BuLgE Low-Resolution Su…