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4 papers · 2 filters
Local stars formed at z>10: a sample extracted from the SDSS
Luca Sbordone, Piercarlo Bonifacio, Elisabetta Caffau +1
As the Universe emerged from its initial hot and dense phase, its chemical composition was extremely simple, being limited to stable H and He isotopes, and traces of Li. The first…
A high resolution VLT/FLAMES study of individual stars in the centre of the Fornax dwarf spheroidal galaxy
B. Letarte, V. Hill, E. Tolstoy +13
For the first time we show the detailed late-stage chemical evolution history of small nearby dwarf spheroidal galaxy in the Local Group. We present the results of a high resolutio…
Sensitivity analyses of dense cloud chemical models
V. Wakelam, E. Herbst, J. Le Bourlot +3
Because of new telescopes that will dramatically improve our knowledge of the interstellar medium, chemical models will have to be used to simulate the chemistry of many regions wi…
The slowing down of galaxy disks in dissipationless minor mergers
Yan Qu, Paola Di Matteo, Matthew Lehnert +2
We have investigated the impact of dissipationless minor galaxy mergers on the angular momentum of the remnant. Our simulations cover a range of initial orbital characteristics and…