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Not-So-Simple Stellar Populations in the Intermediate-age Large Magellanic Cloud Star Clusters NGC 1831 and NGC 1868
Chengyuan Li, Richard de Grijs, Licai Deng
Using a combination of high-resolution Hubble Space Telescope/WFPC2 observations, we explore the physical properties of the stellar populations in two intermediate-age star cluster…
The VMC Survey - X. Cepheids, RR Lyrae stars and binaries as probes of the Magellanic System's structure
M. I. Moretti, G. Clementini, T. Muraveva +12
The VMC survey is obtaining multi-epoch photometry in the Ks band of the Magellanic System down to a limiting magnitude of Ks ~ 19.3 for individual epoch data. The observations are…
The VMC Survey. VIII. First results for Anomalous Cepheids
V. Ripepi, M. Marconi, M. I. Moretti +7
The VISTA near-infrared survey of the Magellanic Clouds System (VMC, PI M.-R. L. Cioni) is collecting deep -band time-series photometry of the pulsat…
Consequences of Dynamical Disruption and Mass Segregation for the Binary Frequencies of Star Clusters
Aaron M. Geller, Richard de Grijs, Chengyuan Li +1
The massive (13,000-26,000 Msolar), young (15-30 Myr) Large Magellanic Cloud star cluster NGC 1818 reveals an unexpected increasing binary frequency with radius for F-type stars (1…
Stochastic stellar cluster IMFs: Models and impact on integrated cluster parameter determination
P. Anders, R. Kotulla, R. de Grijs +1
Stellar clusters are regularly used to study the evolution of their host galaxy. Except for a few nearby galaxies, these studies rely on the interpretation of integrated cluster pr…
The binary fractions in the massive young Large Magellanic Cloud star clusters NGC 1805 and NGC 1818
Chengyuan Li, Richard de Grijs, Licai Deng
Using high-resolution data sets obtained with the Hubble Space Telescope, we investigate the radial distributions of the F-type main-sequence binary fractions in the massive young…
Blue straggler evolution caught in the act in the Large Magellanic Cloud globular cluster Hodge 11
Chengyuan Li, Richard de Grijs, Licai Deng +1
High-resolution {\sl Hubble Space Telescope} imaging observations show that the radial distribution of the field-decontaminated sample of 162 'blue straggler' stars (BSs) in the $1…
The VMC survey VII. Reddening map of the 30 Doradus field and the structure of the cold interstellar medium
B. L. Tatton, J. Th. van Loon, M. -R. Cioni +10
Context: The details of how galaxies have evolved are imprinted in their star formation history, chemical enrichment and morpho-kinematic structure. Parameters behind these can be…
The NGC 5253 star cluster system. I. Standard modelling and infrared-excess sources
Richard de Grijs, Peter Anders, Erik Zackrisson +1
Using high-resolution Hubble Space Telescope data, we reexamine the fundamental properties (ages, masses and extinction values) of the rich star cluster population in the dwarf sta…