JWST MIRI observations of 634 galaxies at 0.2<z<2 yield IR luminosity functions with faint-end slope α≈0.147, implying lower dust-obscured SFRD than previous ALMA/Herschel/Spitzer studies.
and others, year = 2011, month = may
32 Pith papers cite this work, alongside 2,174 external citations. Polarity classification is still indexing.
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Lyα observations of Little Red Dots show luminosities and equivalent widths like normal star-forming galaxies but lower Lyα/Hα ratios and extended asymmetric emission, supporting a two-component model with host-scale gas.
High-resolution spectra show Balmer absorption in 4/10 LRDs with blue-shifted velocities and exponential wings, supporting a model of co-located partial-covering gas with inflow/outflow gradients.
SN 2023aeaf is photometrically classified as a likely Type II supernova at z=3.195, consistent with a 12 solar mass progenitor and low-metallicity star-forming host.
A new catalogue of bar lengths and widths from HST images of 8230 galaxies shows bars are about 13% weaker at higher redshift, with longer bars in higher-mass quiescent galaxies and trends consistent with slow quenching.
Direct detection of ionizing photons from z~6 faint galaxies yields escape fraction ~0.8 and log ξ_ion^true = 25.86, implying higher IGM transparency and that young low-metallicity stars in such galaxies can reionize the universe.
JWST difference imaging from COSMOS-Web and PRIMER has yielded 68 high-redshift supernovae including a core-collapse event at z>3 and a Type Ia at z>2, demonstrating the feasibility of wide-area time-domain searches in the early universe.
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.
FC-ENZO predicts UCD contamination in photometric high-z samples; T/early-Y dwarfs dominate at z~8, rates rise with metallicity and depend strongly on SED library and Galactic density model.
JWST imaging reveals a z=0.92 disk galaxy with an X-shaped bulge, nuclear stellar disk, and extended disk whose bar geometry matches present-day systems, showing bar-driven secular evolution largely complete 7.6 Gyr ago.
Post-starburst galaxies show compact morphologies with minimal wavelength-dependent structural change and low overall disturbance levels, except for enhanced residual asymmetry in massive systems at z > 1, supporting two distinct quenching pathways.
Morphology-density and morphology-mass relations are present at z~1.6 in both cluster and field galaxies.
Resolved JWST photometry reveals negative color gradients in three of four z>3 massive quiescent galaxies, and an age-only interpretation of these gradients eases—but does not remove—tensions with early-galaxy formation models.
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.
A massive galaxy at z=9.3 shows bursty star formation with a recent downturn and sits in a small ionized bubble in a neutral IGM.
A Hubble-like sequence of galaxy morphologies exists by redshift 4, with low-mass galaxies as persistent star-forming disks and massive galaxies following either stable disk or rapid compaction-quenching paths.
PITA, a new semi-supervised deep learning algorithm, outperforms prior photo-z methods by using a triple-task loss on images, colors, and available redshifts to produce a smooth latent space.
The clumpy-galaxy fraction rises from ~20% at z>6.5 to ~80% at z~2.75 in a 9,121-galaxy JWST sample, higher than HST-based values because JWST detects fainter clumps.
New empirical calibrations between 19 emission-line ratios and oxygen abundance are derived from direct electron-temperature measurements in 139 star-forming galaxies at z=1.4-10.6.
NIRSpec enables low- to high-resolution near-infrared spectroscopy from 0.6 to 5.3 microns on JWST in single-object, integral-field, and multi-object modes with a novel micro-shutter array.
Barred galaxies transition from actively star-forming at z~1-2 to quiescent at z~0, with the fraction of quiescent galaxies hosting bars increasing steeply over cosmic time.
SED fitting of star clusters in NGC 628 identifies an evolutionary sequence from embedded young clusters to visible ones with a photo-dissociation region clearing timescale of approximately 4 Myr.
Clumpy galaxies at cosmic noon show systematically lower metallicities than the mass-metallicity relation, with clump properties indicating metal-poor gas accretion as the driver rather than mergers.
HETDEX PDR1 releases an expanded public catalog of 426,654 LAEs, 491,411 [O II] emitters and additional sources from 86.67 sq deg of integral-field spectroscopy with improved classifiers.
citing papers explorer
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MEGA and SMILES Find Fewer Dusty Galaxies than Expected at Cosmic Noon
JWST MIRI observations of 634 galaxies at 0.2<z<2 yield IR luminosity functions with faint-end slope α≈0.147, implying lower dust-obscured SFRD than previous ALMA/Herschel/Spitzer studies.
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Through the Veil: Ly$\alpha$ Illuminates the Host Galaxies of Little Red Dots
Lyα observations of Little Red Dots show luminosities and equivalent widths like normal star-forming galaxies but lower Lyα/Hα ratios and extended asymmetric emission, supporting a two-component model with host-scale gas.
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OCEANS of Absorption: High-resolution NIRSpec Spectroscopy Reveals Diverse Balmer-line Absorption in Little Red Dots
High-resolution spectra show Balmer absorption in 4/10 LRDs with blue-shifted velocities and exponential wings, supporting a model of co-located partial-covering gas with inflow/outflow gradients.
-
Discovery and Analysis of a Type II Supernova Candidate at z = 3.19 from JWST's COSMOS-Web Survey
SN 2023aeaf is photometrically classified as a likely Type II supernova at z=3.195, consistent with a 12 solar mass progenitor and low-metallicity star-forming host.
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Galaxy Zoo Bar Lengths: A Catalogue of Measurements from Hubble Space Telescope Images and the Evolution of Galactic Bar Structure at z < 1
A new catalogue of bar lengths and widths from HST images of 8230 galaxies shows bars are about 13% weaker at higher redshift, with longer bars in higher-mass quiescent galaxies and trends consistent with slow quenching.
-
The Great Escape of ionizing photons during Cosmic Morning
Direct detection of ionizing photons from z~6 faint galaxies yields escape fraction ~0.8 and log ξ_ion^true = 25.86, implying higher IGM transparency and that young low-metallicity stars in such galaxies can reionize the universe.
-
Expanding the High-z Supernova Frontier: "Wide-Area" JWST Discoveries from the First Two Years of COSMOS-Web
JWST difference imaging from COSMOS-Web and PRIMER has yielded 68 high-redshift supernovae including a core-collapse event at z>3 and a Type Ia at z>2, demonstrating the feasibility of wide-area time-domain searches in the early universe.
-
The AURORA Survey: The Nebular Attenuation Curve of a Galaxy at z=4.41 from Ultraviolet to Near-Infrared Wavelengths
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.
-
Assessing Ultra-Cool Dwarf Contamination in Photometrically Selected High-Redshift Galaxy Samples
FC-ENZO predicts UCD contamination in photometric high-z samples; T/early-Y dwarfs dominate at z~8, rates rise with metallicity and depend strongly on SED library and Galactic density model.
-
Bar-driven secular evolution largely complete in a disk galaxy 7.6 billion years ago
JWST imaging reveals a z=0.92 disk galaxy with an X-shaped bulge, nuclear stellar disk, and extended disk whose bar geometry matches present-day systems, showing bar-driven secular evolution largely complete 7.6 Gyr ago.
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The multiwavelength structure of post-starburst galaxies at 0.5 < z < 3 with JWST PRIMER: compact morphologies and residual disturbances
Post-starburst galaxies show compact morphologies with minimal wavelength-dependent structural change and low overall disturbance levels, except for enhanced residual asymmetry in massive systems at z > 1, supporting two distinct quenching pathways.
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Cluster vs Field: Clear Evidence for a Morphology-Density Relation in All Environments at $z\sim1.6$
Morphology-density and morphology-mass relations are present at z~1.6 in both cluster and field galaxies.
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Towards Unbreaking the Universe: MINERVA Measurements of Color Gradients in Massive Quiescent Galaxies Can Help Ease Too-Early Star Formation Tensions
Resolved JWST photometry reveals negative color gradients in three of four z>3 massive quiescent galaxies, and an age-only interpretation of these gradients eases—but does not remove—tensions with early-galaxy formation models.
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Using Ly$\alpha$ Transmitted Spectrum to Probe IGM Transmission and Identify Ionized Structures in Cosmic Reionization
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.
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SPURS: Bursty Star Formation in an Extremely Luminous Weak Emission Line Galaxy at $z=9.3$
A massive galaxy at z=9.3 shows bursty star formation with a recent downturn and sits in a small ionized bubble in a neutral IGM.
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The Hubble sequence in JWST CEERS from unbiased galaxy morphologies
A Hubble-like sequence of galaxy morphologies exists by redshift 4, with low-mass galaxies as persistent star-forming disks and massive galaxies following either stable disk or rapid compaction-quenching paths.
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Optimizing Deep Learning Photometric Redshifts for the Roman Space Telescope with HST/CANDELS
PITA, a new semi-supervised deep learning algorithm, outperforms prior photo-z methods by using a triple-task loss on images, colors, and available redshifts to produce a smooth latent space.
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The Fraction of Clumpy Galaxies in JADES Over $2<z<9$
The clumpy-galaxy fraction rises from ~20% at z>6.5 to ~80% at z~2.75 in a 9,121-galaxy JWST sample, higher than HST-based values because JWST detects fainter clumps.
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The AURORA Survey: High-Redshift Empirical Metallicity Calibrations from Electron Temperature Measurements at z=2-10
New empirical calibrations between 19 emission-line ratios and oxygen abundance are derived from direct electron-temperature measurements in 139 star-forming galaxies at z=1.4-10.6.
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The Near-Infrared Spectrograph (NIRSpec) on the James Webb Space Telescope I. Overview of the instrument and its capabilities
NIRSpec enables low- to high-resolution near-infrared spectroscopy from 0.6 to 5.3 microns on JWST in single-object, integral-field, and multi-object modes with a novel micro-shutter array.
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Exploring the Relationship Between Bars, Star Formation Activity, and Host Galaxy Properties from $\mathbf{z \sim 0}$ to $\mathbf{z \sim 2}$
Barred galaxies transition from actively star-forming at z~1-2 to quiescent at z~0, with the fraction of quiescent galaxies hosting bars increasing steeply over cosmic time.
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Feedback in Extragalactic Star Clusters (FEAST): Spectral Energy Distributions and the Physical Properties of Star Clusters in NGC 628 with CIGALE
SED fitting of star clusters in NGC 628 identifies an evolutionary sequence from embedded young clusters to visible ones with a photo-dissociation region clearing timescale of approximately 4 Myr.
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Metal-Poor Gas Accretion Drives Giant Clump Formation at 0.6 < z < 2.6
Clumpy galaxies at cosmic noon show systematically lower metallicities than the mass-metallicity relation, with clump properties indicating metal-poor gas accretion as the driver rather than mergers.
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HETDEX Public Data Release 1: Source Catalog 2 and Data Cubes from ~90 sq deg of Integral-Field Optical Spectroscopy
HETDEX PDR1 releases an expanded public catalog of 426,654 LAEs, 491,411 [O II] emitters and additional sources from 86.67 sq deg of integral-field spectroscopy with improved classifiers.
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Difference Between Half-mass Radius and Half-light Radius of Galaxies at 0.2 $< z <$ 2.5 Revealed by JWST/NIRCam Data
JWST data shows half-light radii larger than half-mass radii in galaxies at 0.2<z<2.5, with mass-dependent differences, steeper size-mass slopes for light, and faster mass-size growth for star-forming galaxies at high redshift.
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The Evolution of the SFR-M_* relation at 0.1<z<4: Environmental and Morphological Dependencies
The SFR-M_* relation develops a high-mass decline at low redshifts, driven mainly by morphological quenching from internal structure rather than environmental effects on star-forming galaxies.
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Transition from Outside-in to Inside-Out at $z\sim 2$: Evidence from Radial Profiles of Specific Star Formation Rate based on JWST/HST
Star-forming galaxies show a transition from negative to positive sSFR radial gradients around z~2, implying a change from outside-in to inside-out growth.
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JWST Predictions for $z > 10$ Galaxies from the Renaissance Simulations -- I: Photometry and Sizes
Renaissance Simulations produce galaxies at z>10 whose stellar masses, star formation rates, sizes, and colors overlap with JWST observations while extending to lower masses.
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Prevailing thermally-pulsing-asymptotic-giant branch stars in the near-infrared rest-frame spectra of distant quiescent galaxies: towards robust galaxy ages and masses
Models with prominent TP-AGB phases best fit the near-IR spectra of high-redshift quiescent galaxies, yielding younger ages and lower stellar masses than models with weaker TP-AGB contributions.
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Union Through UNITY: Cosmology with 2,000 SNe Using a Unified Bayesian Framework
Union3 compilation of 2087 SNe Ia with UNITY1.5 framework shows 1.7-2.6 sigma tension with LambdaCDM and possible thawing dark energy.
- From DESI to Euclid: A Generative Bridge to Improve Measurements of Galaxy Structure
- Discovery of a Barred-Spiral Galaxy at $z_{spec}$ = 3.16 I: Bar Identification and Properties