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C. J. Walcher

Researcher at Leibniz Institute for Astrophysics Potsdam

Publications -  78
Citations -  5944

C. J. Walcher is an academic researcher from Leibniz Institute for Astrophysics Potsdam. The author has contributed to research in topics: Galaxy & Star formation. The author has an hindex of 37, co-authored 74 publications receiving 5287 citations.

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Self-similarity in the chemical evolution of galaxies and the delay time distribution of SNe Ia

TL;DR: In this paper, the authors compare the relation between age and alpha-element abundances for stars in the solar neighborhood to that of local, early-type galaxies and find both relations to be very similar.
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Geometrical tests of cosmological models. III. The cosmology-evolution diagram at z=1

TL;DR: In this article, the angular diameter-redshift and Hubble diagrams are applied to the same sample of objects (i.e., velocity selected galactic discs) to derive a characteristic chart, the cosmology-evolution diagram, mapping the relation between global cosmological parameters and local structural parameters of discs such as size and luminosity.
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The wide-field, multiplexed, spectroscopic facility WEAVE: Survey design, overview, and simulated implementation

Shoko Jin, +213 more
TL;DR: WEAVE as discussed by the authors is a massively multiplexed spectroscopic survey facility for the William Herschel Telescope that will see first light in late 2022, and consists of a 2-degree field-of-view prime-focus corrector system, a nearly 1000-multiplex fibre positioner, 20 individually deployable integral field units (IFUs), and a single large IFU.