Dust grain size distributions evolve from large-grain dominated at high redshift to MRN-like at low redshift, driven primarily by shattering and ISM accretion after stars supply initial large grains, reproducing z=0 dust masses and Milky Way extinction properties.
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@doi [ApJ] 10.3847/1538-4357/aabf3c
24 Pith papers cite this work. Polarity classification is still indexing.
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JWST observations of absorption lines in z~3 galaxies show inclination-dependent gas flows, with face-on systems exhibiting stronger outflows and inclined systems more inflows.
Lumen modeling of IllustrisTNG50 shows that high ionization parameters from massive star clusters plus enhanced nitrogen abundances are needed to reproduce the extreme [OIII]/Hβ, [OIII]/[OII], and [NII]/Hα ratios seen in z>3 galaxies.
High-resolution mapping reveals nitrogen enrichment around super star clusters in NGC 5253, attributed to Wolf-Rayet stars with material expelled to surrounding gas.
Measures a new nebular attenuation curve from 1400-9550 Å for galaxy GOODSN-17940 at z=4.41 that is steeper than Milky Way/SMC/Calzetti at long wavelengths, similar in blue-optical, and shallower in UV with no 2175 Å bump.
UV/optical attenuation underpredicts IR luminosity by 3-10x across 0<z<7 while κ_UV/κ_FIR falls by over an order of magnitude, pointing to evolving dust grain properties in average galaxies.
75% of massive compact quiescent galaxies at z~0 require three-component photometric models (bulge + disk + envelope), versus only 7% of mass-matched control quiescent galaxies.
Corrected empirical limits show the most massive galaxies never exceed the theoretical baryonic maximum of 0.16 times halo virial mass, keeping observations consistent with LambdaCDM at all redshifts.
JWST spectra of galaxies reveal a ~110 cMpc ionized bubble at z~6 with IGM transmission 0.17, an order of magnitude above average, linked to a galaxy overdensity.
Large sample of SN Ia hosts shows young mean progenitor age of 3.5 Gyr and only 1.5 Gyr evolution, leading to negligible cosmological bias of 0.007 mag.
Pantheon+ delivers tighter SN Ia constraints on Ω_M, w0, wa, and H0 from 1550 events, consistent with a cosmological constant, with SN systematics contributing less than one third to H0 uncertainty.
Resolved photometry of four high-redshift quiescent galaxies reveals negative color gradients that lower estimated stellar masses by 0.1 dex relative to slit measurements, reducing model tensions under an age-driven interpretation.
A z=4.556 QSO exhibits A_1500/A_V ≈8 with no 2175Å bump, taken as evidence for small-grain dominance from QSO-driven shattering or condensation.
CL-AGN host galaxies exhibit a 29% merger fraction (about 2x higher than non-CL-AGN controls) with morphology indicating modest disturbances, based on non-parametric metrics and visual inspection of DESI images.
Dust attenuation follows a universal mass-dependent relation from z=0 to 7 with a transition at 10^9 solar masses where nebular attenuation steepens relative to stellar.
MaNGA data shows dwarf galaxies (log M* <= 9.5) remain mostly star-forming with weak environmental dependence while intermediate-mass galaxies (9.5 < log M* < 10) display stronger quenching trends, and dwarf early-types host younger stellar populations than their intermediate-mass counterparts.
A z=2.96 protocluster in COSMOS shows +0.2 dex higher stellar masses, mild SFR enhancement in low-mass galaxies, and no rise in quiescent fraction compared to the field.
BayeSN analysis of ZTF Type Ia supernovae confirms a ~0.1 mag intrinsic environmental step in standardized brightness that is not explained by differences in dust extinction properties.
Close major galaxy pairs exhibit 8.8% lower HI gas fractions and 15% higher HI star formation efficiency in S+S systems than mass- and redshift-matched isolated controls.
A z=4.0148 galaxy shows clumpy ring morphology consistent with either a collisional ring or strong lensing by a foreground galaxy at z~1.7.
Stellar population synthesis of three AGN hosts shows recent rejuvenation and central metallicity drops consistent with gas inflows fueling both star formation and AGN activity.
Different SED fitting techniques and data types produce stellar parameters and xi_ion values differing by up to 1.1 dex even for a homogeneous sample of z=3 EoR-analog galaxies, with apparent redshift evolution of xi_ion appearing only under consistent methodology.
Strong bars correlate with massive red galaxies, boost central star formation in low-mass systems while quenching it in high-mass ones, and increase AGN incidence, supporting bar-driven gas inflow.
citing papers explorer
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Empirical estimates of how massive galaxies can be in {\Lambda}CDM
Corrected empirical limits show the most massive galaxies never exceed the theoretical baryonic maximum of 0.16 times halo virial mass, keeping observations consistent with LambdaCDM at all redshifts.
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JWST's PEARLS: A clumpy ring galaxy at $z = 4.0148$
A z=4.0148 galaxy shows clumpy ring morphology consistent with either a collisional ring or strong lensing by a foreground galaxy at z~1.7.