The intrinsic alignment of galaxies and its impact on weak gravitational lensing in an era of precision cosmology
The wealth of incoming and future cosmological observations will allow us to map out the
structure and evolution of the observable universe to an unprecedented level of precision …
structure and evolution of the observable universe to an unprecedented level of precision …
Galaxy alignments: An overview
B Joachimi, M Cacciato, TD Kitching, A Leonard… - Space Science …, 2015 - Springer
The alignments between galaxies, their underlying matter structures, and the cosmic web
constitute vital ingredients for a comprehensive understanding of gravity, the nature of …
constitute vital ingredients for a comprehensive understanding of gravity, the nature of …
Efficient formation of massive galaxies at cosmic dawn by feedback-free starbursts
ABSTRACT JWST observations indicate a surprising excess of luminous galaxies at z∼ 10
and above, consistent with efficient conversion of the accreted gas into stars, unlike the …
and above, consistent with efficient conversion of the accreted gas into stars, unlike the …
Wet compaction to a blue nugget: a critical phase in galaxy evolution
S Lapiner, A Dekel, J Freundlich… - Monthly Notices of …, 2023 - academic.oup.com
We utilize high-resolution cosmological simulations to reveal that high-redshift galaxies tend
to undergo a robust 'wet compaction'event when near a 'golden'stellar mass of. This is a …
to undergo a robust 'wet compaction'event when near a 'golden'stellar mass of. This is a …
Compaction and quenching of high-z galaxies in cosmological simulations: blue and red nuggets
A Zolotov, A Dekel, N Mandelker… - Monthly Notices of …, 2015 - academic.oup.com
We use cosmological simulations to study a characteristic evolution pattern of high-redshift
galaxies. Early, stream-fed, highly perturbed, gas-rich discs undergo phases of dissipative …
galaxies. Early, stream-fed, highly perturbed, gas-rich discs undergo phases of dissipative …
Hot-mode accretion and the physics of thin-disc galaxy formation
We use FIRE simulations to study disc formation in z∼ 0, Milky Way-mass galaxies, and
conclude that a key ingredient for the formation of thin stellar discs is the ability for accreting …
conclude that a key ingredient for the formation of thin stellar discs is the ability for accreting …
Wet disc contraction to galactic blue nuggets and quenching to red nuggets
A Dekel, A Burkert - Monthly Notices of the Royal Astronomical …, 2014 - academic.oup.com
We study the origin of high-redshift, compact, quenched spheroids (red nuggets) through the
dissipative shrinkage of gaseous discs into compact star-forming systems (blue nuggets) …
dissipative shrinkage of gaseous discs into compact star-forming systems (blue nuggets) …
Dancing in the dark: galactic properties trace spin swings along the cosmic web
Y Dubois, C Pichon, C Welker… - Monthly Notices of …, 2014 - academic.oup.com
ABSTRACT A large-scale hydrodynamical cosmological simulation, Horizon-AGN, is used to
investigate the alignment between the spin of galaxies and the cosmic filaments above …
investigate the alignment between the spin of galaxies and the cosmic filaments above …
Evolution of density profiles in high-z galaxies: compaction and quenching inside-out
Using cosmological simulations, we address the interplay between structure and star
formation in high-redshift galaxies via the evolution of surface density profiles. Our sample …
formation in high-redshift galaxies via the evolution of surface density profiles. Our sample …
Four phases of angular-momentum buildup in high-z galaxies: from cosmic-web streams through an extended ring to disc and bulge
We study the angular-momentum (AM) buildup in high-z massive galaxies using high-
resolution cosmological simulations. The AM originates in co-planar streams of cold gas and …
resolution cosmological simulations. The AM originates in co-planar streams of cold gas and …