T
Thorsten Naab
Researcher at Max Planck Society
Publications - 94
Citations - 8160
Thorsten Naab is an academic researcher from Max Planck Society. The author has contributed to research in topics: Galaxy & Star formation. The author has an hindex of 41, co-authored 94 publications receiving 7468 citations. Previous affiliations of Thorsten Naab include Maine Principals' Association.
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Minor mergers and the size evolution of elliptical galaxies
TL;DR: In this article, a high-resolution hydrodynamical cosmological simulation of the formation of a massive spheroidal galaxy was used to show that elliptical galaxies can be very compact and massive at high redshift in agreement with recent observations.
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The two phases of galaxy formation
TL;DR: In this paper, high-resolution re-simulations of 39 individual galaxies in a full cosmological context with present-day virial halo masses ranging from 7 × 1011 M ǫ h −1 M vir 2.7 × 1013 M Ω h − 1 (h = 0.72) and central galaxy masses between 4.5 × 1010 M h -1 M * 3.6 × 101 1 M Ã h − 3 (h= 0.6) were presented.
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Minor mergers and the size evolution of elliptical galaxies
TL;DR: In this article, a high-resolution hydrodynamical cosmological simulation of the formation of a massive spheroidal galaxy was used to show that elliptical galaxies can be very compact and massive at high redshift in agreement with recent observations.
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The Cosmological Size and Velocity Dispersion Evolution of Massive Early-type Galaxies
TL;DR: In this article, 40 cosmological re-simulations of individual massive galaxies with present-day stellar masses of M∗ > 6.3 × 10 10 M⊙ were analyzed to investigate the physical origin of the observed strong increase in galaxy sizes and the decrease of the stellar velocity dispersions since redshift z ≈ 2.
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Theoretical Challenges in Galaxy Formation
TL;DR: In this article, a variety of plausible subresolution models were proposed to estimate the inflow to and outflow from forming galaxies because observations indicating low formation efficiency and strong circumgalactic presence of gas are persuasive.