The [CII]-to-molecular gas conversion factor evolves from over 10,000 to about 10 solar masses per solar luminosity as galaxies enrich from very low metallicity at high redshift to higher values later, making a redshift-independent factor unusable.
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representative citing papers
A z=6.64 LRD host galaxy exhibits a fast AGN-driven outflow with 5500 km/s velocities, dusty gas, and low metallicity, confirming AGN presence in these systems.
N-body and SPH simulations show that gas accretion along a galactic warp can generate global, long-lived phase spirals in the stellar disc with amplitudes comparable to those observed by Gaia.
Speckle imaging of 81 RR Lyrae stars detects 10 likely bound companions at 20-220 AU separations, yielding a binary fraction estimate above 12 percent.
A ~1 solar-mass main-sequence star with supersolar metallicity has been traced back to the galactic center as a hypervelocity star ejected by the Hills mechanism.
Stellar mass functions in the peaks of the Hyperion protostructure at z~2.5 show a mass-dependent excess relative to the field, with ~10x enhancement at log(M*/M⊙)~11 versus ~3.5x at log(M*/M⊙)~9.5.
Mass and radius of PSR J0030+0451 measured as 1.44 solar masses and 13.02 km, improving astrophysical constraints on the cold dense matter equation of state.
New envelope binding energies derived from PARSEC stellar tracks alter compact binary merger rate densities by over an order of magnitude when used in population synthesis.
The HRIEUV PSF at 174 Å redistributes 57% of light via diffraction (26%) and scattering (42%), and deconvolution with it boosts bright structure intensities by up to 40% while reducing dark areas by up to 85%.
Topography on tidally locked M-dwarf planets induces stationary Rossby waves that strengthen cross-terminator jets, boost nightside moisture transport and cloud formation, and reduce the critical stellar flux for global deglaciation.
Random forest models using early magnitudes, time differences, and new magnitude rates identify up to 13.6% of true broad-lined Ic supernovae in unseen test data.
OzDES final release delivers 62 new reverberation-mapped black hole masses and tighter lag-luminosity relations for Hβ, MgII, and CIV in high-redshift AGN after correcting for survey-length selection effects.
Extended-image strong lensing model of cluster G165 reduces mass-parameter uncertainties by over an order of magnitude and maps dust extinction in the host of SN H0pe at z=1.78, finding A_V ≈ 0.9 mag near the explosion site.
GravSphere2 extends Jeans modeling to fourth order with LOS and PM data plus flexible anisotropy forms to recover mass density, anisotropy, and density slope in spherical stellar systems while breaking the mass-anisotropy degeneracy.
Derives filters for fourth-order aperture statistics, implements a numerical pipeline achieving 2% precision on Gaussian random fields, and forecasts only minimal extra cosmological constraining power when added to second- and third-order aperture statistics in a DES-Y3-like non-tomographic analysis
Discovery of Spearman correlation 0.8 between energy-dependent time lag and polarization degree in Swift J1727.8-1613, with theoretical arguments for additional mechanisms beyond inverse Comptonization.
3D MHD simulations of CCSN remnants from RSG and WR stars show faster shocks from photoionization and CSM expansion, plus coherent reflected shocks in WR cases, with weakly magnetized bubbles limiting PeV acceleration.
The analysis identifies ~300 pc and ~200 pc transition scales in PAH emission and ISM density PDFs in nearby galaxies by decomposing JWST mid-IR images into compact and diffuse components.
3D radiative-MHD simulations reveal that chromospheric heating rises with magnetic flux while coronal base temperature responds non-monotonically due to enhanced mass loading and radiative cooling.
Simulations demonstrate that gas-dust interactions produce radial offsets between micron and millimeter dust in gas-bearing debris disks, depending on gas mass, optical depth, and small-grain abundance.
Radiative feedback from disk-reprocessed soft photons produces limit-cycle oscillations whose frequency and spectra match observed type-C QPOs in black-hole X-ray binaries for suitable coronal parameters.
Abeona is confirmed as a faint ~30 arcmin bilateral radio SNR shell with synchrotron polarization, flux density 1.5 Jy, and a spatially coincident 5.7-sigma GeV gamma-ray source.
Strong blended Lyα absorbers cluster with Lyα emitting galaxies at z>3 within 300 kpc and 300 km/s, confirming they trace the circumgalactic medium interface.
At z=0.9, disk galaxies show a TFR slope of 3.82 and FR slope of 0.44 with moderate TFR and strong FR evolution from z=0, implying higher and less mass-dependent stellar-to-halo mass fractions f_M while f_j remains near 0.8.
citing papers explorer
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Cosmic evolution of the [CII]-to-molecular gas relation
The [CII]-to-molecular gas conversion factor evolves from over 10,000 to about 10 solar masses per solar luminosity as galaxies enrich from very low metallicity at high redshift to higher values later, making a redshift-independent factor unusable.
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GLIMPSED: Direct evidence for a fast AGN-driven outflow from a z=6.64 Little Red Dot host galaxy
A z=6.64 LRD host galaxy exhibits a fast AGN-driven outflow with 5500 km/s velocities, dusty gas, and low metallicity, confirming AGN presence in these systems.
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Phase spirals induced by the gas warp
N-body and SPH simulations show that gas accretion along a galactic warp can generate global, long-lived phase spirals in the stellar disc with amplitudes comparable to those observed by Gaia.
-
Finding the elusive RR Lyrae companions via speckle imaging
Speckle imaging of 81 RR Lyrae stars detects 10 likely bound companions at 20-220 AU separations, yielding a binary fraction estimate above 12 percent.
-
Discovery of Galactic center ejected star in DESI DR1
A ~1 solar-mass main-sequence star with supersolar metallicity has been traced back to the galactic center as a hypervelocity star ejected by the Hills mechanism.
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The HST-Hyperion Survey: Environmental Imprints on the Stellar-Mass Function at z~2.5
Stellar mass functions in the peaks of the Hyperion protostructure at z~2.5 show a mass-dependent excess relative to the field, with ~10x enhancement at log(M*/M⊙)~11 versus ~3.5x at log(M*/M⊙)~9.5.
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PSR J0030+0451 Mass and Radius from NICER Data and Implications for the Properties of Neutron Star Matter
Mass and radius of PSR J0030+0451 measured as 1.44 solar masses and 13.02 km, improving astrophysical constraints on the cold dense matter equation of state.
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The impact of envelope binding energies on the merger rate density of binary compact objects
New envelope binding energies derived from PARSEC stellar tracks alter compact binary merger rate densities by over an order of magnitude when used in population synthesis.
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A Point-Spread Function for the Extreme Ultraviolet High-Resolution Imager on board Solar Orbiter
The HRIEUV PSF at 174 Å redistributes 57% of light via diffraction (26%) and scattering (42%), and deconvolution with it boosts bright structure intensities by up to 40% while reducing dark areas by up to 85%.
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Topography-Induced Stationary Waves and the Onset of Nightside Warming on Rocky Planets around M-dwarf Stars
Topography on tidally locked M-dwarf planets induces stationary Rossby waves that strengthen cross-terminator jets, boost nightside moisture transport and cloud formation, and reduce the critical stellar flux for global deglaciation.
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Machine learning for the early classification of broad-lined Ic supernovae
Random forest models using early magnitudes, time differences, and new magnitude rates identify up to 13.6% of true broad-lined Ic supernovae in unseen test data.
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OzDES Reverberation Mapping of Active Galactic Nuclei: Final Data Release, Black-Hole Mass Results, & Scaling Relations
OzDES final release delivers 62 new reverberation-mapped black hole masses and tighter lag-luminosity relations for Hβ, MgII, and CIV in high-redshift AGN after correcting for survey-length selection effects.
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Strong Lensing Model and Dust Extinction Maps of the Host Galaxy of Type Ia Supernova H0pe
Extended-image strong lensing model of cluster G165 reduces mass-parameter uncertainties by over an order of magnitude and maps dust extinction in the host of SN H0pe at z=1.78, finding A_V ≈ 0.9 mag near the explosion site.
-
GravSphere2: A higher-order Jeans method for mass-modeling spherical stellar systems
GravSphere2 extends Jeans modeling to fourth order with LOS and PM data plus flexible anisotropy forms to recover mass density, anisotropy, and density slope in spherical stellar systems while breaking the mass-anisotropy degeneracy.
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Towards an application of fourth-order shear statistics I. The information content of $\langle M_\mathrm{ap}^4 \rangle $
Derives filters for fourth-order aperture statistics, implements a numerical pipeline achieving 2% precision on Gaussian random fields, and forecasts only minimal extra cosmological constraining power when added to second- and third-order aperture statistics in a DES-Y3-like non-tomographic analysis
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Bridging X-ray Polarization with Timing & Spectroscopic Parameters of a galactic black hole: Swift J1727.8-1613
Discovery of Spearman correlation 0.8 between energy-dependent time lag and polarization degree in Swift J1727.8-1613, with theoretical arguments for additional mechanisms beyond inverse Comptonization.
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Multi-Dimensional MHD simulations of young Core-Collapse Supernova Remnants
3D MHD simulations of CCSN remnants from RSG and WR stars show faster shocks from photoionization and CSM expansion, plus coherent reflected shocks in WR cases, with weakly magnetized bubbles limiting PeV acceleration.
-
Uncovering the multi-scale structure of dust distribution in nearby galaxies
The analysis identifies ~300 pc and ~200 pc transition scales in PAH emission and ISM density PDFs in nearby galaxies by decomposing JWST mid-IR images into compact and diffuse components.
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Chromosphere of the quiet sun: II. Atmospheric response to small-scale magnetic flux emergence
3D radiative-MHD simulations reveal that chromospheric heating rises with magnetic flux while coronal base temperature responds non-monotonically due to enhanced mass loading and radiative cooling.
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The ALMA survey to Resolve exoKuiper belt Substructures (ARKS) XI: Gas-dust interactions and radial offsets between micron and millimetre-sized grains
Simulations demonstrate that gas-dust interactions produce radial offsets between micron and millimeter dust in gas-bearing debris disks, depending on gas mass, optical depth, and small-grain abundance.
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Radiative feedbacks as drivers for quasi-periodic-oscillation activity in black-hole X-ray binaries
Radiative feedback from disk-reprocessed soft photons produces limit-cycle oscillations whose frequency and spectra match observed type-C QPOs in black-hole X-ray binaries for suitable coronal parameters.
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Radio detection of supernova remnant G310.7-5.4 with $\gamma$-ray counterpart: Abeona SNR
Abeona is confirmed as a faint ~30 arcmin bilateral radio SNR shell with synchrotron polarization, flux density 1.5 Jy, and a spatially coincident 5.7-sigma GeV gamma-ray source.
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MUSE Analysis of Gas around Galaxies (MAGG) -- VII. Emission line galaxies near strong blended Ly$\alpha$ absorption systems at $z\gtrsim3$
Strong blended Lyα absorbers cluster with Lyα emitting galaxies at z>3 within 300 kpc and 300 km/s, confirming they trace the circumgalactic medium interface.
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Kinematic scaling relations of disc galaxies from ionised gas at $z\sim1$ and their connection with dark matter haloes
At z=0.9, disk galaxies show a TFR slope of 3.82 and FR slope of 0.44 with moderate TFR and strong FR evolution from z=0, implying higher and less mass-dependent stellar-to-halo mass fractions f_M while f_j remains near 0.8.
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QUEST (Quasar Unsupervised Encoder and Synthesis Tool): A machine learning framework to generate quasar spectra
A variational autoencoder learns to generate and reconstruct quasar spectra from SDSS data, reproducing median and variance properties while enabling photometry synthesis and absorption-line interpolation without ad-hoc tuning.
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Unraveling the Secrets of the lower Solar Atmosphere: One year of Operation of the Solar Ultraviolet Imaging Telescope (SUIT) on board Aditya-L1
SUIT on Aditya-L1 completed one year of UV solar imaging with calibration routines, software tools, and notable observations of the lower solar atmosphere presented.
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LITMUS: Bayesian Lag Recovery in Reverberation Mapping with Fast Differentiable Models
LITMUS introduces a differentiable Bayesian lag recovery framework that outperforms JAVELIN on OzDES-like mock data by reducing false positives from seasonal aliasing.
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The S stars' zone of avoidance in the Galactic center
Binary disruption and relaxation models explain the zone of avoidance and thermal eccentricities in S-star orbits around the Galactic center black hole.
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ComPACT: Mass-Redshift Properties of the galaxy cluster catalogue
ComPACT is a new SZ-selected galaxy cluster catalogue from CNN analysis of ACT+Planck data with 2,962 candidates, ~60% confirmation, 116 new redshifts, 158 new masses, and five new massive clusters at z>0.7 that increase the known high-mass high-z population by ~10%.
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Search for quasar pairs with Gaia astrometric data. II. Photometric redshift prediction with machine learning for the MGQPC catalogue
Machine learning models achieve NMAD 0.036 and 5.6% outliers for quasar photometric redshifts, identifying 185 high-probability pair candidates in MGQPC with 20 spectroscopically confirmed as physical pairs.
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Stellar mass and morphology segregation in pairs and multiplets in the cosmic web
Large-scale cosmic environment influences galaxy stellar mass and morphology beyond local companions, with void galaxies being less massive and showing distinct shape distributions.
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QUIJOTE-TFGI polarization calibration -- Ground characterization and on-sky validation with Tau A and the Moon
Ground diode and on-sky calibration of QUIJOTE-TFGI confirms phase-switch errors near zero and yields Moon refraction index 1.209 at 31 GHz with consistent responsivity results.
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CONCERTO: forward modeling of interferograms for calibration
A forward model is developed to simulate interferograms and spectral responses for the CONCERTO LEKID-based Fourier-transform spectrometer, enabling ZPD alignment, flat-fielding, and absolute brightness calibration of COSMOS field observations.
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Euclid: Constraints on f(R) cosmologies from the spectroscopic and photometric primary probes
Forecasts show Euclid combined probes can constrain log f_R0 at the 1% level for fiducial f_R0=5e-6, distinguishing from LCDM at >3 sigma in optimistic settings.
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Characterizing six seismic solar analogs observed by Kepler, K2, and HERMES
Six seismic solar analogs have masses 0.91-1.04 solar masses, radii 0.95-1.08 solar radii, and ages 1.8-9.1 Gyr, with one star matching the Sun closely enough to be called a solar twin.
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Investigating ACS/WFC Amp-to-Amp Sensitivities
New calibration data from white dwarf standards show no significant sensitivity offset between ACS/WFC chips in F606W and F814W, contradicting a prior 0.05 mag global difference.