1406 papers
Using JWST NIRCam grism spectroscopy of 316 H-selected galaxies behind the Abell 2744 cluster, this study reveals that the star-forming main sequence at has a significantly shallower slope and potentially mass-dependent scatter than predicted by simulations, suggesting potential issues with SFR calibrations, the presence of quenched low-mass galaxies, or underestimated dust attenuation.
This paper presents a comprehensive grid of over 38,000 massive binary evolution models using MESA to characterize the diverse surface properties, evolutionary stages, and chemical abundances of post-mass transfer stars, providing a crucial tool for distinguishing binary interaction products from single stars and improving supernova progenitor identification.
This paper applies a statistical formalism to LIGO/Virgo/KAGRA gravitational wave and AGN flare data, finding that while less than 3% of binary black hole mergers likely produce observable electromagnetic counterparts, up to 40% could still originate in AGN disks, though individual coincidences are more likely due to background flares than true associations.
This study utilizes deep learning to analyze HSC images up to and finds that galactic bars contribute to fuelling low-to-moderate luminosity Active Galactic Nuclei, whereas major mergers remain the primary driver for the most powerful accretion events.
This paper presents the largest ground-based catalogue of 1,229 M-dwarf flares identified in Zwicky Transient Facility data, revealing correlations between flare frequency and spectral subtype or Galactic height while establishing a framework for future wide-field surveys.
This paper presents a post-calibration mitigation strategy combining Gaussian Process Regression, Principal Component Analysis, and foreground avoidance to address residual foregrounds from gain calibration errors in SKA1-Low AA* observations, demonstrating that the 21-cm signal can be recovered within 2 accuracy for calibration errors up to 1% across the $0.05 \leq k \leq 0.5^{-1}$ scale range.
This paper demonstrates that a spontaneous quantum collapse model, constrained by Planck 2018 data, successfully explains the origin of primordial cosmic structures and the low- CMB power anomaly while simultaneously eliminating the problem of eternal inflation.
This paper presents AT2022kak, an extremely fast-evolving and faint dwarf nova candidate located in the Galactic thick disk, which is a rare potential Population II system identified through its rapid outbursts and spectroscopic characterization.
The StarDICE IV paper presents a method that utilizes simultaneous thermal infrared observations to correct visible photometry for atmospheric gray extinction, enabling ground-based surveys to achieve sub-percent calibration precision even under non-photometric conditions.
By using CRIRES+ near-infrared spectroscopy to detect strong CO absorption but no H in the edge-on debris disks of HD 110058 and HD 131488, the study establishes high CO/H ratios that rule out a primordial origin and strongly support an exocometary source for the gas.
This paper introduces ARTEMIDE, an open-source Mask R-CNN framework that successfully automates the detection and segmentation of strong gravitational lensing arcs in Euclid's Quick Data Release, achieving high precision and recall while demonstrating the viability of deep learning for analyzing massive wide-field survey datasets.
This paper demonstrates that the broad iron line feature observed in AGN X-ray spectra can be explained by a relativistic reflection model where a warm, dissipative corona above an accretion disk, illuminated by an external X-ray source, generates highly ionized iron lines that are significantly broadened and redshifted by strong gravity.
This paper presents a comprehensive photometric and spectroscopic analysis of the fast, linearly declining Type Ibn supernova SN 2024acyl, revealing that its properties are best explained by ejecta interacting with a helium-rich circumstellar medium originating from a low-mass helium star in an interacting binary system.
Using ALMA observations at a heliocentric distance of 2.1 au, this study characterizes the molecular composition and dust properties of comet C/2017 K2 (PanSTARRS) as it enters the water sublimation zone, revealing distinct production mechanisms for various volatiles and establishing an upper limit of 6.6 km for the nucleus diameter.
This study uses high-resolution, star-by-star cosmological simulations of an ultra-faint dwarf galaxy to demonstrate that while Type Ia supernova assumptions primarily dictate mean chemical abundances, massive star yields and stochastic sampling significantly shape abundance trends and limit the interpretability of single galaxies, underscoring the need to account for both systematic and statistical uncertainties in chemical enrichment modeling.
This paper introduces a Fourier-based inversion method that analyzes gravity-mode period spacing modulations to precisely locate and characterize internal buoyancy glitches in pulsating stars, thereby enabling rapid constraints on stellar age, composition gradients, and internal mixing processes.
This paper demonstrates that stochastic gravitational wave memory from early universe and astrophysical sources exhibits a fractional Brownian motion scaling ( with ) that grows faster than standard Brownian motion, offering a distinct signature to extract these signals from PTA data and probe post-Big Bang conditions.
This paper demonstrates high-power RF pulse shaping experiments using a digital-only Next Generation LLRF (NG-LLRF) platform and a Cool Copper Collider prototype, achieving peak powers up to 5.4 MW and validating the system's capability to perform complex modulations like phase reversal and beam loading compensation without additional analog components.
This paper introduces Synference, a fast and flexible Python framework that utilizes simulation-based inference to efficiently infer galaxy physical properties and photometric redshifts from multi-band photometry, achieving a ~1700-fold speedup over traditional methods while maintaining high accuracy and calibration.
This study demonstrates that the mass of a central supermassive black hole and a planet's distance from the galactic center critically determine exoplanet habitability by driving atmospheric heating, mass loss, and severe ozone depletion, particularly through energy-driven winds from active galactic nuclei.