Results 71 to 80 of about 418,342 (350)

First results from the IllustrisTNG simulations: the galaxy colour bimodality [PDF]

open access: yes, 2017
We introduce the first two simulations of the IllustrisTNG project, a next generation of cosmological magnetohydrodynamical simulations, focusing on the optical colors of galaxies.
D. Nelson   +11 more
semanticscholar   +1 more source

Metric completions, the Heine-Borel property, and approachability

open access: yesOpen Mathematics, 2020
We show that the metric universal cover of a plane with a puncture yields an example of a nonstandard hull properly containing the metric completion of a metric space.
Kanovei Vladimir   +2 more
doaj   +1 more source

The EAGLE simulations of galaxy formation: calibration of subgrid physics and model variations [PDF]

open access: yes, 2015
We present results from thirteen cosmological simulations that explore the parameter space of the "Evolution and Assembly of GaLaxies and their Environments" (EAGLE) simulation project.
R. Crain   +13 more
semanticscholar   +1 more source

Galaxy masses [PDF]

open access: yesReviews of Modern Physics, 2014
145 pages, 28 figures, to appear in Reviews of Modern Physics. Figure 22 is missing here, and Figs. 15, 26-28 are at low resolution. This version has a slightly different title and some typos fixed in Chapter 5. For the full review with figures, please consult: http://www.astro.queensu.ca/~courteau/GalaxyMasses_28apr2014 ...
Courteau, Stéphane   +10 more
openaire   +4 more sources

Breaking the hierarchy of galaxy formation [PDF]

open access: yes, 2005
Recent observations of the distant Universe suggest that much of the stellar mass of bright galaxies was already in place at z > 1. This presents a challenge for models of galaxy formation because massive halos are assembled late in the hierarchical ...
R. Bower   +10 more
semanticscholar   +1 more source

Galaxy Zoo: Bars in Disk Galaxies

open access: yes, 2010
We present first results from Galaxy Zoo 2, the second phase of the highly successful Galaxy Zoo project (www.galaxyzoo.org).
Masters, Karen L.   +10 more
openaire   +5 more sources

Galaxy–galaxy lensing in the VOICE deep survey

open access: yesAstronomy & Astrophysics, 2022
The multi-band photometry of the VOICE imaging data, overlapping with 4.9 deg2of theChandraDeep Field South (CDFS) area, enables both shape measurement and photometric redshift estimation to be the two essential quantities for weak lensing analysis. The depth of magABis up to 26.1 (5σlimiting) inr-band.
Ruibiao Luo   +13 more
openaire   +3 more sources

Triazine‐Trione Thermosets with High Processability for Scaffold Applications in Bone Tissue Engineering

open access: yesAdvanced Healthcare Materials, EarlyView.
Novel photo‐clickable triazine‐trione thermosets can be shaped and cured under mild conditions, including room and physiological temperatures. These materials are biocompatible and support osteogenic differentiation of bone marrow–derived mesenchymal stem cells on their surface.
Åshild Johansen   +7 more
wiley   +1 more source

A galaxy lacking dark matter [PDF]

open access: yesNature, 2018
Studies of galaxy surveys in the context of the cold dark matter paradigm have shown that the mass of the dark matter halo and the total stellar mass are coupled through a function that varies smoothly with mass.
P. V. Dokkum   +11 more
semanticscholar   +1 more source

Facile Bottom‐Up Assembly of Photonic Micropatterns via Surface‐Guided Colloidal Crystallization

open access: yesAdvanced Materials, EarlyView.
High‐resolution photonic micropatterns with vivid structural colors are fabricated through bottom‐up assembly, guided by surface‐dependent regioselective heterogeneous nucleation and crystal growth of colloidal particles. Full‐spectrum color tunability is achieved by controlling particle size and interparticle attraction, while in situ color mixing is ...
Yongseok Jung   +3 more
wiley   +1 more source

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