Discovery and characterization of the highest-redshift barred spiral galaxy candidate at z=5.102, with bar length ~4.5 kpc, stellar mass 10^10.45 solar masses, SFR 144 solar masses per year, and evidence for AGN and interaction.
Mixed citations
Evolution of metallicity gradients
Mixed citation behavior. Most common role is background (62%).
453
Pith papers citing it
Background
62% of classified citations
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background 24
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representative citing papers
JWST spectra of SN 2024abup show CO, C, O, and Mg features plus possible dust emission, with no clear r-process signatures identified via SUMO modeling.
First joint 2PCF+3PCF full-shape analysis on BOSS DR12 real data improves σ(h) by ~29%, σ(ω_cdm) by ~10%, and σ(A_s) by ~24% over 2PCF alone via extra BAO information in 3PCF triangles.
Discovery of PSR J0125-5854, a 24 ms pulsar in a binary with orbital period ~834 days, low eccentricity, and likely helium white dwarf companion.
A 4.46 solar-mass black hole is found in a 94-year eccentric orbit with a main-sequence turnoff star in ω Centauri via 23-year astrometric monitoring.
Detection of a variable stratified UFO with velocities 0.1c and 0.3c, extreme mass outflow rates, and kinetic powers of 1-10% of bolometric luminosity in quasar WISSH13 at z=3.294.
A new histogram-free likelihood method applied to simulated JWST observations of brown dwarfs shows that globular cluster ages can be determined with formal errors under 0.2 Gyr.
X-ray reverberation lags are used to measure the mass of the stellar-mass black hole Cygnus X-1 for the first time.
LRD host galaxies show average metallicity 0.08 Z_sun with narrow stable range, challenging pristine-gas formation models while ruling out typical local AGN.
SMaSH+ survey data yields the first observationally grounded distributions of key parameters for 26 hierarchical massive triples, dominated by tight inner binaries and wider tertiaries with no strong mass-separation correlations.
Presents a normalized signed area statistic with Monte Carlo uncertainty propagation and surrogate-based significance testing for detecting hysteresis loops in ordered 2D spectral parameter trajectories.
Simulation study proposes that weakly rotating, gas-rich cosmic wallflowers at high redshift are natural proto-globular cluster candidates based on kinematics and densities.
Derives analytical solutions and fitting formulae for Lyα spectra under cylindrical geometry including recoil and velocity gradients, validated against Monte Carlo simulations.
Thermal instability produces steady-state temperature fluctuations in the ICM outside cluster cores when conduction is anomalously suppressed by heat-flux-driven instabilities, extending the unstable regime to over half the cluster volume.
GraphNPE recovers a significantly lower central density for Boötes I consistent with a core while Draco remains marginally cuspy, and demonstrates that higher-order velocity moments reduce bias in dynamical modeling.
Asteroseismic masses average 1.29 Msun for Ba dwarfs versus 1.96 Msun for Ba giants, supporting main-sequence accretion evolution from dwarfs to giants, though models fail to match the observed [hs/ls] ratio.
Anisotropic quenching is detected at the highest redshift yet and linked to preprocessing dominating over intrahalo effects by ~20% along the major axis in a delay-then-rapid quenching model informed by cluster accretion histories.
JWST/MIRI detects [Ne V] 14.3 micron emission from O-star winds in 5 of 22 observed stars, enabling wind speed and mass-loss rate estimates even in weak-wind regimes.
Time-resolved XRISM spectroscopy of NGC 4395 reveals variable inner-disk Fe Kα emission interpreted as Lense-Thirring precession, favoring low black hole mass (~9e3 solar masses) and moderate spin (a≳0.6).
Detection of a non-harmonic QPO precursor to Type-B in the HIMS of MAXI J1820+070 using NICER timing data.
Phase-resolved high-resolution spectroscopy of CoRoT-2b measures sub-synchronous rotation at 2.6-sigma significance, consistent with its western hotspot offset.
New template-fitting selection yields 241 BH*-dominated LRD candidates at z~1.7-9.3 with number density peaking at z~5-6, demonstrating persistence to lower redshifts.
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.
A Runge-Kutta-Gegenbauer super-time-stepping method for stable, efficient handling of anisotropic non-ideal MHD diffusion.
citing papers explorer
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JWST observations of SN 2024abup: First Detection of CO in a broad-lined Type Ic Supernova and Constraints on r-process Nucleosynthesis
JWST spectra of SN 2024abup show CO, C, O, and Mg features plus possible dust emission, with no clear r-process signatures identified via SUMO modeling.
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Discovery of a 24-millisecond pulsar in a very long orbit with the Murchison Widefield Array
Discovery of PSR J0125-5854, a 24 ms pulsar in a binary with orbital period ~834 days, low eccentricity, and likely helium white dwarf companion.
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The WISSHFUL program: the highest redshift UFO discovered in a non-lensed QSO
Detection of a variable stratified UFO with velocities 0.1c and 0.3c, extreme mass outflow rates, and kinetic powers of 1-10% of bolometric luminosity in quasar WISSH13 at z=3.294.
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An X-ray reverberation mass measurement of Cygnus X-1
X-ray reverberation lags are used to measure the mass of the stellar-mass black hole Cygnus X-1 for the first time.
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A statistically robust framework for detecting and classifying hysteresis patterns in astrophysical spectral evolution
Presents a normalized signed area statistic with Monte Carlo uncertainty propagation and surrogate-based significance testing for detecting hysteresis loops in ordered 2D spectral parameter trajectories.
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XRISM Time-resolved Fe K$\alpha$ Spectroscopy of NGC 4395: Time-variable Inner-disk Emission
Time-resolved XRISM spectroscopy of NGC 4395 reveals variable inner-disk Fe Kα emission interpreted as Lense-Thirring precession, favoring low black hole mass (~9e3 solar masses) and moderate spin (a≳0.6).
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Discovery of a quasi-periodic oscillation non-harmonically related to the Type-C QPO in the hard intermedidate state of MAXI J1820+070
Detection of a non-harmonic QPO precursor to Type-B in the HIMS of MAXI J1820+070 using NICER timing data.
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Detection of a parsec-scale, compact, and fading ejecta from an accreting massive black hole
VLBI at 4.9 GHz plus multi-epoch survey data reveal a fading parsec-scale radio component near the optical center of a dwarf galaxy, interpreted as transient ejecta from IMBH accretion.
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TDEs on FIRE: Illuminating the Cosmic Evolution of Tidal Disruption Rates
FIRE-2 simulations show per-galaxy tidal disruption rates peak near z=2.5 at 4e-4 per year, correlate with SFR and central density, and remain high in satellite galaxies at early times.
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The strength of Type-C quasi-periodic oscillations in black hole X-ray binaries correlates with the jet inclination
Type-C QPO amplitudes correlate linearly with jet inclination up to 8 Hz in BH LMXBs, lower on decay than rise, reproducible by precessing hot flow if misalignment ≥10-15°.
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Minor Merger, Major Growth: An Overmassive, Highly Accreting Black Hole Powering a Secondary AGN In a Cosmic Noon Minor Merger
Discovery of an overmassive, highly accreting black hole powering a secondary AGN in a z=1.824 minor merger, inferred from Chandra X-ray and HST grism data.
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Inferring the role of binary neutron star mergers in r-process nucleosynthesis with multi-messenger observations using Cosmic Explorer and Einstein Telescope
A new redshift-correlation technique with third-generation GW detectors can constrain the BNS contribution to cosmic r-process nucleosynthesis to 5-6% precision via Fisher forecasts on mock bright- and dark-siren data.
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\texttt{calypso}: a Parameter-Conditioned Stochastic Surrogate Model for Circumbinary Accretion Time-Series
Calypso is a parameter-conditioned stochastic surrogate model for circumbinary accretion flows using PCA and multivariate Gaussian modeling, released as open-source software with a closed-form likelihood for parameter inference from time series.
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Relativistic Scattering in the Funnel of Cygnus X-3
A relativistic funnel scattering model with variable bulk velocity reproduces the ~23% hard-state and ~12% soft-state polarization in Cygnus X-3 at low inclination using half-opening angles of 13-16 degrees.
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Significant or Not? The Impact of Randomisation During Data Reduction on Confirming a New Pulsating Ultraluminous X-ray Source Candidate in Centaurus A
A soft-spectrum PULX candidate is reported in Cen A but XMM-SAS randomisation during data reduction renders the marginal 1.27 Hz pulsation detection unreliable across repeated reductions.
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The study of the circumnuclear environment of accreting supermassive black holes with realistic X-ray spectral models
New publicly available X-ray table models RXToPo and RXagn1 with realistic AGN geometries (torus, polar cone, disk, BLR) generated via RefleX and tested on NGC 424.
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Type Ib Supernovae are bluer than Type Ic Supernovae
Type Ib supernovae are systematically bluer than Type Ic supernovae in optical colors, likely due to helium-rich versus helium-poor progenitors.
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IXPE Polarizations of the Lighthouse Pulsar, Trail, and Filament
IXPE detects 55% polarization in the filament with B-field aligned along its axis, orthogonal X-ray and radio polarization in the trail indicating separate lepton populations, and a rotating vector model fit for the pulsar.
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A Radio Changing-state Jet in the Narrow-line Seyfert 1 Galaxy J1105+1452
J1105+1452 transitioned to a megahertz peaked-spectrum source with a new compact jet of radius ~0.68 pc, apparent velocity ~0.64c, and Doppler factor ~12, while X-ray emission stayed disk-corona dominated.
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Persistence of the Millihertz X-ray Quasi-Periodic Oscillation in the Active Galactic Nucleus 1ES 1927+654
The mHz QPO in 1ES 1927+654 has persisted and stabilized at ~2.5 mHz with stable soft lags, no strong harmonic, and repeatable large-amplitude flux patterns, also seen in NuSTAR.
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Isolating Sgr A East: The First Uncontaminated X-ray Maps of a Galactic Center Supernova Remnant
pGMCA separation of Chandra data yields the first uncontaminated X-ray maps of Sgr A East, with spectral fits showing lower ionization age and higher electron density than prior reports.
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An Intertwined Short and Long GRB with 4-minute Separation
GRB 160425A contains a short merger-like burst and a long collapsar-like burst separated by four minutes, challenging standard GRB classification and progenitor models.
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Fading Echoes of Interaction: Probing Centuries of Preexplosion Mass-Loss in Four Type IIn Supernovae
Radio and X-ray data on four old Type IIn supernovae show mass-loss rates 1-2 orders of magnitude below optical estimates, indicating rapidly evolving progenitor winds over the final centuries before explosion.
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The long quest for vacuum birefringence in magnetars: 1E 1547.0-5408 and the elusive smoking gun
IXPE data on magnetar 1E 1547.0-5408 show high linear polarization from a small hot spot whose phase-dependent angle is fit by a rotating vector model, with a marginal energy-dependent dip in polarization degree that may indicate vacuum resonance but does not constitute compelling evidence for biref
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X-ray and Radio Campaign of the Z-source GX 340+0 II: the X-ray polarization in the normal branch
First IXPE polarization measurement of GX 340+0 in normal branch yields PD 1.22±0.25% and PA 38±6°, consistent with origin in blackbody or Comptonized emission, with radio flux lower than in horizontal branch.
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JWST Medium-Resolution Infrared Spectroscopy of SN 2022acko: Tracing Molecule Formation in the Nebular Phase
JWST spectra of SN 2022acko reveal CO masses of 1.55e-4 and 2.47e-4 solar masses, IME velocities ~300 km/s vs ~100 km/s for H/He/IGEs suggesting bipolar outflow, and substantially less molecule formation than higher-mass Type II SNe.
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General Relativistic Shock Wave Solutions with Black Hole Formation: The Singular Isothermal Sphere Case
Derives GR jump conditions and self-similar shock solutions for SIS collapse to BH, showing shocks up to 0.4c, accretion suppressed by factor 5-7, and shock energy release ~10% of enclosed rest mass.
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Tracing the Orbital Motion of the Accreting White Dwarf in EX~Hydrae with XRISM/Resolve
XRISM/Resolve high-resolution spectroscopy detects coherent orbital modulation in Fe XXV Kα line centroids from EX Hydrae, yielding K1 = 58.1 km/s and a white dwarf mass of 0.79 solar masses consistent with optical tracers.
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Parsec-scale polarimetry and kinematics of a spine-sheath jet in the neutrino-blazar TXS 0506+056
VLBI observations of TXS 0506+056 show a spine-sheath jet with aligned inner and perpendicular outer EVPAs plus a new superluminal component near the IceCube neutrino detection.
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Getting Tilted: Random Walk of Binary Black Hole Spin-Orbit Alignment in Dense Star Clusters
Models BBH spin-orbit alignment as random walk on sphere, deriving exact distribution after n encounters and showing alignment survives several strong encounters before isotropy.
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Towards improved synchrotron self absorption energy estimates: accounting for inhomogeneous and non-spherical emitting regions
This paper derives quantitative correction factors for traditional SSA minimum energy estimates to account for inhomogeneity and non-spherical geometry in emitting regions.
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The Thousand-Pulsar-Array programme on MeerKAT XIX: Single-pulse data analysis, nulling and pulse energy distributions
Bayesian analysis of single-pulse data from 1192 pulsars finds that roughly half require multi-component energy distributions and that nulling fractions increase with spin period.
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A Disappearing Act: Constraints From "Missing" Flares of Repeating Partial TDE Candidates
Non-detections of expected third flares in TDE 2022dbl and TDE 2020vdq support rpTDE interpretation over independent events, with modeling favoring bound main-sequence star orbits and deep initial encounters.
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The X-ray emission of the long-period transient and accreting cataclysmic variable ASKAP J174508.9-505149
X-ray timing and spectral analysis of ASKAP J174508.9-505149 detects matching periodicity and features consistent with an accreting magnetic CV.
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Systematic Error in Approximate Models of the GRB Early Afterglow
High-resolution simulations demonstrate that two-zone models for GRB early afterglows fail to match hydrodynamic evolution in the Newtonian reverse shock regime before Blandford-McKee self-similarity, causing systematic overpredictions of emission depending on the transition prescription.
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JWST Reveals Large Reservoirs of Dust and Ongoing Circumstellar Interaction in SN Ibn/Icn 2023xgo over a Year Post-Explosion
Late-time JWST spectra of SN 2023xgo detect cool silicate or carbonaceous dust masses of order 0.01-0.03 solar masses plus narrow He I emission indicating ongoing circumstellar interaction at +377 days.
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An extremely bright slow-rising afterglow from an off-axis jet in GRB 260310A
Multi-wavelength data on GRB 260310A support an off-axis jet model explaining weak prompt emission and bright delayed afterglow, including reverse-shock signatures and late X-ray rebrightening.
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Massquerade: Impacts of Mass Ratio Reversals on Binary Black Hole Merger Rates and Mass Distributions
Mass ratio reversals produce qualitatively different contributions to BBH merger rates and masses in COMPAS versus SEVN simulations, with core-growth dominating and most systems arising from massive low-metallicity progenitors.
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Chandra X-ray Observations of the Pulsar Wind Nebula within CTA 1
Chandra observations of CTA 1 PWN show jet/torus morphology, constrain pulsar velocity to ≲200 km/s, and model low magnetic field with PeV electron cutoff in a young low-efficiency nebula.
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On the origin of anomalous dissipation in simulations of tidal disruption events
Anomalous pre-intersection dissipation in TDE simulations is numerical in origin, arising from pericenter kinematics combined with algorithm sensitivities to converging versus diverging flows.
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Simulation-Based Prediction of Black Hole Fe K$\alpha$ Line Profiles
Fe Kα lines from accreting black holes are produced mostly outside 10 gravitational radii due to radial ionization gradients, allowing broad profiles without high spin.
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Low-Luminosity Type IIP Supernovae from the Zwicky Transient Facility Census of the Local Universe. III: Hunting for electron-capture supernovae using nebular spectroscopy
Nebular spectroscopy of low-luminosity Type IIP SNe from ZTF identifies two plausible ECSN candidates but derives an upper limit on the ECSN rate of ≲(5–8)×10² Gpc⁻³ yr⁻¹ implying a sAGB mass window narrower than 0.06 M⊙.
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Hydrodynamical simulation of wind production from hot accretion flows in tidal disruption events
Larger black holes in TDEs accrete more material and launch faster winds, with unbound mildly relativistic winds for higher viscosity parameters and bound convective outflows for lower ones.
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An Inverse-Compton-Boosted Cool Core Unifies Perseus's Radio and X-ray Halos
Ancient cosmic ray halos from the central galaxy boost Perseus's cool core via inverse-Compton scattering, simultaneously explaining radio minihalo, giant halo, X-ray properties, and gamma-ray data without re-acceleration.
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Non-uniform particle injection into black hole jets by radiative magnetic reconnection
Pair production via radiative magnetic reconnection near spinning black holes supplies non-uniform plasma to jets at levels sufficient to explain M87 radio emission.
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A bright wideband radio burst from the isolated neutron star 2XMM J104608.7$-$594306
A second coherent radio burst spanning 704-4032 MHz with spectral index -2.18, 54% linear and 22% circular polarization, and an orthogonal polarization angle jump was detected from 2XMM J104608.7-594306, showing rare radio activity in sources thought to be radio-quiet.
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A Detailed View of the Large-Scale Sloshing Cold Front in RXJ2014.8-2430
Deep Chandra data confirms three cold fronts in RXJ2014.8-2430 with widths indicating suppressed diffusion and identifies a concave structure consistent with either a Kelvin-Helmholtz instability or a powerful AGN cavity of radius 200-330 kpc.
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A public relativistic transfer function model for X-ray reverberation mapping of accreting black holes
A new public relativistic transfer-function model reltrans for X-ray reverberation mapping that fits both spectra and lags to measure black-hole masses.
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Radiation-pressure instability is an artifact of constant-$\alpha$ closure
Requiring thermal stability and single-valuedness in the thin-disk Ṁ-Σ plane produces a viscosity law α(X) with X = P_gas/P_rad that eliminates the radiation-pressure dominated instability while preserving the effective-temperature profile.
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Photoionization of the Composite Nebula Surrounding NGC 5408 X-1: Implications for Beamed Emission
Photoionization modeling indicates NGC 5408 X-1's EUV and X-ray emission is mildly beamed, consistent with supercritical accretion.