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410149dbc978974598acd019106bba6b21a173e3bc53aa14ff4fa9155173cd17 | 2026-01-13T00:00:00-05:00 | Omnibus goodness-of-fit tests based on trigonometric moments | arXiv:2507.18591v2 Announce Type: replace-cross Abstract: We propose a new omnibus goodness-of-fit test based on trigonometric moments of probability-integral-transformed data. The test builds on the framework of the LK test introduced by Langholz and Kronmal [J. Amer. Statist. Assoc. 86 (1991), 1077-1084], but fully e... | https://arxiv.org/abs/2507.18591 | Academic Papers | svg |
9b326291b489041fc230480f49510208842f877390828af11fb2add78003353e | 2026-01-13T00:00:00-05:00 | GSO Defects: IIA/IIB Walls and the Surprisingly Stable $\mathrm{R}7$-Brane | arXiv:2507.21210v2 Announce Type: replace-cross Abstract: The recently proposed Swampland Cobordism Conjecture predicts the existence of new non-supersymmetric objects which supplement the spectrum of low-energy gravitational effective field theories. In this paper, we study a subset of these defects related to the GSO... | https://arxiv.org/abs/2507.21210 | Academic Papers | svg |
9106132bdb70aab6fad7a7864e87651c344732f6c511765d1781fc001c0dc654 | 2026-01-13T00:00:00-05:00 | Simulating Posterior Bayesian Neural Networks with Dependent Weights | arXiv:2507.22095v3 Announce Type: replace-cross Abstract: We consider fully connected and feedforward deep neural networks with dependent and possibly heavy-tailed weights, as introduced in Lee et al. 2023, to address limitations of the standard Gaussian prior. It has been proved in Lee et al. 2023 that, as the number ... | https://arxiv.org/abs/2507.22095 | Academic Papers | svg |
db6ec0660df39243c76e95e8fc4ac4f53014afabc8c4be3011ba51d4c3565463 | 2026-01-13T00:00:00-05:00 | Geometry-Controlled Freezing and Revival of Bell Nonlocality through Environmental Memory | arXiv:2508.07046v2 Announce Type: replace-cross Abstract: We show that the distance between two qubits coupled to a structured reservoir acts as a single geometric control that can store, revive, or suppress Bell nonlocality. In a mirror-terminated guide, quantum correlations lost to the bath return at discrete recurre... | https://arxiv.org/abs/2508.07046 | Academic Papers | svg |
0f42ddbb98e8f5c80f52181d9c783198e1bef2fcc734a1ccade3dcddd1c95b1d | 2026-01-13T00:00:00-05:00 | A Convergent Generalized Krylov Subspace Method for Compressed Sensing MRI Reconstruction with Gradient-Driven Denoisers | arXiv:2508.11219v2 Announce Type: replace-cross Abstract: Model-based reconstruction plays a key role in compressed sensing (CS) MRI, as it incorporates effective image regularizers to improve the quality of reconstruction. The Plug-and-Play and Regularization-by-Denoising frameworks leverage advanced denoisers (e.g., ... | https://arxiv.org/abs/2508.11219 | Academic Papers | svg |
689f7197c0d8f74c1c4ae5ed6d95b81c65a56108f93bf1d3cbf31f68e5aad3f6 | 2026-01-13T00:00:00-05:00 | Gauge origami and quiver W-algebras IV: Pandharipande--Thomas $qq$-characters | arXiv:2508.12125v2 Announce Type: replace-cross Abstract: We develop a contour integral formalism for computing the K-theoretic equivariant 3-vertex. Within the Jeffrey--Kirwan (JK) residue framework, we show that, by an appropriate choice of the reference vector, both the equivariant Donaldson--Thomas (DT) and Pandhar... | https://arxiv.org/abs/2508.12125 | Academic Papers | svg |
ff00b1c64c926c8d3dc670df13c194213047111040558fe643f0c9dfdae1840e | 2026-01-13T00:00:00-05:00 | Average weighted ratio of consecutive level spacings for infinite-dimensional orthogonal random matrices | arXiv:2508.14172v2 Announce Type: replace-cross Abstract: The onset of quantum ergodicity is often quantified by the average ratio of consecutive level spacings. The reference values for ergodic quantum systems have been obtained numerically from the spectra of large but finite-dimensional random matrices. This work in... | https://arxiv.org/abs/2508.14172 | Academic Papers | svg |
abea3fdbf7396f70c3d8a3924269efe36c90dc06f49855ff1ed27419d795afd8 | 2026-01-13T00:00:00-05:00 | First Experimental Demonstration of Natural Hovering Extremum Seeking: A New Paradigm in Flapping Flight Physics | arXiv:2508.20836v2 Announce Type: replace-cross Abstract: In this letter, we report the first experimental demonstration of the recently emerged new paradigm in flapping flight physics called (Natural Hovering Extremum Seeking (NH-ES)) [doi.org/10.1103/4dm4-kc4g], which theorized that hovering flight physics observed i... | https://arxiv.org/abs/2508.20836 | Academic Papers | svg |
38f8bf5b0661d09d82e2c041921730fead8283d1952079e265ab96d46af464a8 | 2026-01-13T00:00:00-05:00 | A Kernel-based Stochastic Approximation Framework for Nonlinear Operator Learning | arXiv:2509.11070v3 Announce Type: replace-cross Abstract: We develop a stochastic approximation framework for learning nonlinear operators between infinite-dimensional spaces utilizing general Mercer operator-valued kernels. Our framework encompasses two key classes: (i) compact kernels, which admit discrete spectral d... | https://arxiv.org/abs/2509.11070 | Academic Papers | svg |
d8a8cab1b0a913c3d94bba13d81a90b2ba703d0e77c900da8e11d8b873f52a1b | 2026-01-13T00:00:00-05:00 | Predictive inference for time series: why is split conformal effective despite temporal dependence? | arXiv:2510.02471v2 Announce Type: replace-cross Abstract: We consider the problem of uncertainty quantification for prediction in a time series: if we use past data to forecast the next time point, can we provide valid prediction intervals around our forecasts? To avoid placing distributional assumptions on the data, i... | https://arxiv.org/abs/2510.02471 | Academic Papers | svg |
f24040220b5ae3e8e5d99a90aa05fb0f074ea80a899c6fcf9b8f5b6b02fc98a9 | 2026-01-13T00:00:00-05:00 | Quantum Filtering at Finite Temperature | arXiv:2510.04967v2 Announce Type: replace-cross Abstract: We pose and solve the problem of quantum filtering based on continuous-in-time quadrature measurements (homodyning) for the case where the quantum process is in a thermal state. The standard construction of quantum filters involves the determination of the condi... | https://arxiv.org/abs/2510.04967 | Academic Papers | svg |
2082771f33ddcd97499b3a41e4655cf40948fb9f7455bdbe70b7b66778d7ef5d | 2026-01-13T00:00:00-05:00 | Self-dual bivariate bicycle codes with transversal Clifford gates | arXiv:2510.05211v2 Announce Type: replace-cross Abstract: Bivariate bicycle codes are promising candidates for high-threshold, low-overhead fault-tolerant quantum memories. Meanwhile, color codes are the most prominent self-dual CSS codes, supporting transversal Clifford gates that have been demonstrated experimentally... | https://arxiv.org/abs/2510.05211 | Academic Papers | svg |
a002d812dfae27fabdf8d926b00e830ab6d737fb1e8ac2b2cdc29e8f64dbf752 | 2026-01-13T00:00:00-05:00 | A Universal Chern Model on Arbitrary Triangulations | arXiv:2510.20862v2 Announce Type: replace-cross Abstract: Given a triangulation of a closed orientable surface, we place single-mode resonators or single-orbital artificial atoms at its vertices, edges and facets, and we devise near-neighbor hopping terms derived from the boundary and Poincar\'e duality maps of the sim... | https://arxiv.org/abs/2510.20862 | Academic Papers | svg |
ecbdb4e53a6ad0c43010bea961f217bbbad30eb20d9e2c8cdd6c837e7e5e81b0 | 2026-01-13T00:00:00-05:00 | An Error-Based Safety Buffer for Safe Adaptive Control (Extended Version) | arXiv:2510.23491v2 Announce Type: replace-cross Abstract: We consider the problem of adaptive control of a class of feedback linearizable plants with matched parametric uncertainties whose states are accessible, subject to state constraints, which often arise due to safety considerations. In this paper, we combine adap... | https://arxiv.org/abs/2510.23491 | Academic Papers | svg |
a364d0d443b6feafcc332e5f265f91755b41dad5365c41217930808987be8ef1 | 2026-01-13T00:00:00-05:00 | Gradient descent for deep equilibrium single-index models | arXiv:2511.16976v2 Announce Type: replace-cross Abstract: Deep equilibrium models (DEQs) have recently emerged as a powerful paradigm for training infinitely deep weight-tied neural networks that achieve state of the art performance across many modern machine learning tasks. Despite their practical success, theoretical... | https://arxiv.org/abs/2511.16976 | Academic Papers | svg |
ac7ebc6a1726b770c93c0c5fddf4676b17d57439f3f32b1ffc16b5827077325a | 2026-01-13T00:00:00-05:00 | The Blueprints of Intelligence: A Functional-Topological Foundation for Perception and Representation | arXiv:2512.05089v3 Announce Type: replace-cross Abstract: Real-world phenomena do not generate arbitrary variability: their signals concentrate on compact, low-variability subsets of functional space, enabling rapid generalization from few examples. A small child can recognize a dog after extremely limited exposure bec... | https://arxiv.org/abs/2512.05089 | Academic Papers | svg |
332faafde40d91e1be0278ebf9a4fa2d77843d701d6fd8fa3e489afe5b3cf924 | 2026-01-13T00:00:00-05:00 | Low-Complexity Monitoring and Compensation of Transceiver IQ Imbalance by Multi-dimensional Architecture for Dual-Polarization 16 Quadrature Amplitude Modulation | arXiv:2512.13266v2 Announce Type: replace-cross Abstract: In this paper, a low-complexity multi-dimensional architecture for IQ imbalance compensation is proposed, which reduces the effects of in-phase (I) and quadrature (Q) imbalance. The architecture use a transceiver IQ skew estimation structure to compensate for IQ... | https://arxiv.org/abs/2512.13266 | Academic Papers | svg |
8746130b45f4cd0fcb9f1389a33fbae53b2184ab7d4fa2a16d9272f9b05aa895 | 2026-01-13T00:00:00-05:00 | Modern Neuromorphic AI: From Intra-Token to Inter-Token Processing | arXiv:2601.00245v3 Announce Type: replace-cross Abstract: The rapid growth of artificial intelligence (AI) has brought novel data processing and generative capabilities but also escalating energy requirements. This challenge motivates renewed interest in neuromorphic computing principles, which promise brain-like effic... | https://arxiv.org/abs/2601.00245 | Academic Papers | svg |
2543033db0fb0811616f6689156057211416dccc02608e87a681088b0b25c563 | 2026-01-13T00:00:00-05:00 | Improved Lower Bounds for Learning Quantum Channels in Diamond Distance | arXiv:2601.04180v2 Announce Type: replace-cross Abstract: We prove that learning an unknown quantum channel with input dimension $d_A$, output dimension $d_B$, and Choi rank $r$ to diamond distance $\varepsilon$ requires $ \Omega\!\left( \frac{d_A d_B r}{\varepsilon \log(d_B r / \varepsilon)} \right)$ channel queries w... | https://arxiv.org/abs/2601.04180 | Academic Papers | svg |
179f83e797ea38e4fb4ba5ae189389f48a26a7ecad5ea19e53c5330c071196f3 | 2026-01-13T00:00:00-05:00 | Exact Multimode Quantization of Superconducting Circuits via Boundary Admittance | arXiv:2601.04407v2 Announce Type: replace-cross Abstract: We show that the Schur complement of the nodal admittance matrix, which reduces a multiport electromagnetic environment to the driving-point admittance $Y_{\mathrm{in}}(s)$ at the Josephson junction, naturally leads to an eigenvalue-dependent boundary condition ... | https://arxiv.org/abs/2601.04407 | Academic Papers | svg |
d9e048bbd39b25c1728e5637dbff5753ec2566c409bc98cf9f55005aa753769c | 2026-01-13T00:00:00-05:00 | Exoplanet characterization with NASA's Habitable Worlds Observatory | arXiv:2601.06233v1 Announce Type: new Abstract: Exoplanet atmosphere characterization has seen revolutionary advances over the last few years, providing us with unique insights into atmospheric chemistry, dynamics and planet formation mechanisms. However, true solar system analog planets remain inaccessible. A major go... | https://arxiv.org/abs/2601.06233 | Academic Papers | svg |
42019fe0e682dfe8526617b6d599f3bcd853237d12197c15ab5d7e2224fb3003 | 2026-01-13T00:00:00-05:00 | Transiting exoplanets as the immediate future for population-level atmospheric science | arXiv:2601.06236v1 Announce Type: new Abstract: The transit method, during which a planet's presence is inferred by measuring the reduction in flux as it passes in front of its parent star, is a highly successful exoplanet detection and characterization technique. During transit, the small fraction of starlight that pa... | https://arxiv.org/abs/2601.06236 | Academic Papers | svg |
ea85a34aed72fb286b737dbd9697b92fd9dd27c46d894e8935bcb8f8a4049d17 | 2026-01-13T00:00:00-05:00 | Characterizing turbulence in galaxy clusters: defining turbulent energies and assessing multi-scale versus fixed-scale filters | arXiv:2601.06250v1 Announce Type: new Abstract: Disentangling turbulence and bulk motions in the intracluster medium (ICM) of galaxy clusters is inherently ambiguous, as the plasma is continuously stirred by different processes on disparate scales. This poses a serious problem in the interpretation of both observations... | https://arxiv.org/abs/2601.06250 | Academic Papers | svg |
e5bda963d12009ca2abec399115cc775768d4a1ad5f8e2cfe2541ab9b0abe59d | 2026-01-13T00:00:00-05:00 | Formation of massive multiple-star systems: early migration and mergers | arXiv:2601.06251v1 Announce Type: new Abstract: Massive stars are often found in multiple systems, yet how binary-star systems with very close separations ($\lesssim$ au) assemble remains unresolved. We investigate the formation and inward migration of massive-star binaries in Solar-metallicity environments using the s... | https://arxiv.org/abs/2601.06251 | Academic Papers | svg |
ef88e2c89cc35f5f4a52ef605ac77fdfe4a16a1012fbe7b8a01e3ea28e939d17 | 2026-01-13T00:00:00-05:00 | Masers and Broad-Line Mapping Favor Magnetically-Dominated AGN Accretion Disks | arXiv:2601.06253v1 Announce Type: new Abstract: We present a novel and powerful constraint on the physics of supermassive black hole (BH) accretion disks. We show that in the outer disk (radii $R \gtrsim 0.01\,$pc or $\gtrsim 1000\,R_{G}$), models supported by thermal or radiation pressure predict disk masses which are... | https://arxiv.org/abs/2601.06253 | Academic Papers | svg |
b404f16b10be6329affe78bd7632e84ec55f81bd9584629d36038e410403fd5f | 2026-01-13T00:00:00-05:00 | GA-NIFS: high prevalence of dusty and metal-enriched outflows in massive and luminous star-forming galaxies at $z\sim3-9$ | arXiv:2601.06255v1 Announce Type: new Abstract: We present a search for and characterization of ionized outflows in 15 star-forming systems at $z\sim3-9$ with no evidence of Active Galactic Nuclei (AGN), observed with JWST/NIRSpec IFU as part of the GA-NIFS program. The targets often show satellites and complex substru... | https://arxiv.org/abs/2601.06255 | Academic Papers | svg |
7775803e8968a3a7d73629f03864d081a20fa0dd4db57a58166911d21da35dfc | 2026-01-13T00:00:00-05:00 | Cosmological back-reaction of baryons on dark matter in the CAMELS simulations | arXiv:2601.06258v1 Announce Type: new Abstract: Baryonic processes such as radiative cooling and feedback from massive stars and active galactic nuclei (AGN) directly redistribute baryons in the Universe but also indirectly redistribute dark matter due to changes in the gravitational potential. In this work, we investi... | https://arxiv.org/abs/2601.06258 | Academic Papers | svg |
e69422c05c4cb47fb997c64f9ffb918f92d5c5afd9c9d864204f6617f9c09866 | 2026-01-13T00:00:00-05:00 | Ultraviolet observations of atmospheric escape in exoplanets with the Habitable Worlds Observatory | arXiv:2601.06263v1 Announce Type: new Abstract: Among the many recommendations of the Decadal Survey on Astronomy and Astrophysics 2020, we found that a priority area of research is to pave the pathways towards finding and characterizing habitable worlds. In this context, we aim to understand how planetary systems evol... | https://arxiv.org/abs/2601.06263 | Academic Papers | svg |
b3804984a7cddba382c451154c50578fbf9ff9fb6eb9c4de104d519cdded4d9b | 2026-01-13T00:00:00-05:00 | Spectral Signatures of Spinning Dust from Grain Ensembles in Diverse Environments: A Combined Theoretical and Observational Study | arXiv:2601.06270v1 Announce Type: new Abstract: Recent observations of anomalous microwave emission (AME) reveal spectral features that are not readily reproduced by spinning dust models, motivating further investigation. We examine how dust grain distributions and environmental parameters determine the peak frequency ... | https://arxiv.org/abs/2601.06270 | Academic Papers | svg |
499504e4105fa16bac205140fa16cfdd76ae6b55dfeca88e6b921967af303d94 | 2026-01-13T00:00:00-05:00 | The Energy-Duration Relationship in Astrophysical Self-Organized Criticality Systems | arXiv:2601.06277v1 Announce Type: new Abstract: Scaling laws in astrophysical systems that involve the energy, the geometry, and the spatio-temporal evolution, provide the theoretical framework for physical models of energy dissipation processes. A leading model is the standard fractal-diffusive self-organized critical... | https://arxiv.org/abs/2601.06277 | Academic Papers | svg |
7fd1e84652ff93ef6cb0837d3f3887da869023948afbf638d137fd8e1c734aa5 | 2026-01-13T00:00:00-05:00 | VLBI Observations of SN 2012au Reveal a Compact Radio Source a Decade Post Explosion | arXiv:2601.06278v1 Announce Type: new Abstract: Three leading models have been put forth to justify the observed radio re-brightening associated with stripped-envelope supernovae (SESNe) years post-explosion: radiation from an emerging pulsar wind nebula (PWN), shock interaction with a dense circumstellar medium (CSM),... | https://arxiv.org/abs/2601.06278 | Academic Papers | svg |
58b164bd4d896e4ce56509d2cc2e0ec4bf23f8c8acfa744b83431e5911e1cd87 | 2026-01-13T00:00:00-05:00 | CAMELS Environments: The Impact of Local Neighbours on Galaxy Evolution across the SIMBA, IllustrisTNG, ASTRID, and Swift-EAGLE Simulations | arXiv:2601.06290v1 Announce Type: new Abstract: Internal feedback from massive stars and active galactic nuclei (AGN) play a key role in galaxy evolution, but external environmental effects can also strongly influence galaxies. We investigate the impact of environment on galaxy evolution, and its dependence on baryonic... | https://arxiv.org/abs/2601.06290 | Academic Papers | svg |
206aba6cac77da8c2760afc1ff3ac546b5970b9b8202ccd6abc2062af0b73b13 | 2026-01-13T00:00:00-05:00 | Star formation quenching precedes morphological transformation in COSMOS-WEB's richest galaxy groups | arXiv:2601.06297v1 Announce Type: new Abstract: We analyzed the 25 richest galaxy groups in COSMOS-Web at z = 0.18-3.65, identified via the AMICO algorithm. These groups contain 20-30 galaxies with high (>75%) membership probability. Our study reveals both passive-density and active-density relations: late-type galaxie... | https://arxiv.org/abs/2601.06297 | Academic Papers | svg |
4285804f4748521263dd470d152ef970b5ce9f928193846b8308f1ed418f8e91 | 2026-01-13T00:00:00-05:00 | The Role of Interferometric Phase in Measuring Black Hole Photon Rings | arXiv:2601.06313v1 Announce Type: new Abstract: The Event Horizon Telescope (EHT) captured the first images of a black hole using Very Long Baseline Interferometry (VLBI). In the near future, extensions of the EHT such as the Black Hole Explorer (BHEX) will allow access to finer-scale features, such as a black hole's '... | https://arxiv.org/abs/2601.06313 | Academic Papers | svg |
d8646a703a1a256075fd6ad561d14d16ff2b90310d65f451dbfb148ca317ca82 | 2026-01-13T00:00:00-05:00 | Incorporating Wavefront Error, Wavefront Sensing and Control, and Sensitivities into Exposure Time Calculations for Future Space Missions with the Error Budget Software (EBS) | arXiv:2601.06342v1 Announce Type: new Abstract: A primary goal of NASA's Habitable Worlds Observatory (HWO) mission concept is to explore the Habitable Zones (HZ) of ~100 stellar systems and acquire spectra of ~25 terrestrial-type planets (with planet/star flux ratios on the order of 1E-10) which places tight constrain... | https://arxiv.org/abs/2601.06342 | Academic Papers | svg |
af86b1a486338eead1c83676437284ade2f82396026293e55a3cabae3dade2f0 | 2026-01-13T00:00:00-05:00 | Collision between molecular clouds IV: The role of feedback and magnetic field in head on collisions | arXiv:2601.06355v1 Announce Type: new Abstract: We systematically investigate how cloud-cloud collisions influence star formation, emphasizing the roles of collision velocity, magnetic field orientation, and radiative feedback. Using the first cloud-cloud collision simulations that model individual star formation and a... | https://arxiv.org/abs/2601.06355 | Academic Papers | svg |
1ec2bc8697dac4a9f7c349e7ca26c97abc3faa3f71d70c4f50d2eb3690ae4fe0 | 2026-01-13T00:00:00-05:00 | Exploring the internal structure of a neutron star and the associated magnetic fields aided by the mass-radius relationship | arXiv:2601.06380v1 Announce Type: new Abstract: Neutron stars exhibit magnetic fields and densities far beyond those achievable in terrestrial laboratories, offering a natural probe of strongly interacting matter under extreme conditions. Using observationally anchored mass-radius relations and a density profile consis... | https://arxiv.org/abs/2601.06380 | Academic Papers | svg |
614f2580cb1753a9c6458ff4dbc805659b077c922df1469990cfbb0525298d5a | 2026-01-13T00:00:00-05:00 | NASA Decadal Astrobiology Research and Exploration Strategy (NASA-DARES 2025) White Paper -- Habitable Worlds Observatory Living Worlds Science Cases: Research Gaps and Needs | arXiv:2601.06386v1 Announce Type: new Abstract: Executive Summary: The Habitable Worlds Observatory (HWO) is the first astrophysics flagship mission with a key cross-divisional astrobiology science goal of searching for signs of life on rocky planets beyond our solar system. The Living Worlds Working Group under the Sc... | https://arxiv.org/abs/2601.06386 | Academic Papers | svg |
8e32bbbb9aefa5dee04de4eb8dce624f2e85e70f1aea16b44632e77c182c8767 | 2026-01-13T00:00:00-05:00 | Generalized Bondi Accretion Flow with and without Outflow | arXiv:2601.06397v1 Announce Type: new Abstract: The properties of accretion flows are affected by the angular momentum of the accreting gas. M.-G. Park found that the mass accretion rate, specifically, decreases significantly as the gas angular momentum increases. However, R. Narayan & A. C. Fabian found the decrease m... | https://arxiv.org/abs/2601.06397 | Academic Papers | svg |
8822994adeb0db9a923a3c4f2996bef0e08b600e616b44c549bc4c718032844f | 2026-01-13T00:00:00-05:00 | Radio Signatures of Cosmic-Ray Particle Showers in Deep In-Ice Antennas | arXiv:2601.06409v1 Announce Type: new Abstract: To detect ultra-high-energy neutrinos, experiments such as ARA and RNO-G target the radio emission induced by these particles as they cascade in the ice, using deep in-ice antennas at the South Pole or in Greenland. In this context, it is essential to first characterize t... | https://arxiv.org/abs/2601.06409 | Academic Papers | svg |
505dd8d3c16ccaa4d811309859966b270b30d12a39994ff278fa3d4567f50c90 | 2026-01-13T00:00:00-05:00 | In-ice Radio Signatures of Cosmic Ray Particle Cascades | arXiv:2601.06417v1 Announce Type: new Abstract: To detect ultra-high-energy neutrinos, experiments such as the Askaryan Radio Array and the Radio Neutrino Observatory in Greenland target the radio emission induced by these particles as they cascade in the ice, using deep in-ice antennas at the South Pole or in Greenlan... | https://arxiv.org/abs/2601.06417 | Academic Papers | svg |
f0bdc3734fd5bf1423fccaf3c0dc49a73803fea0294ff5629be50f28f7d5a616 | 2026-01-13T00:00:00-05:00 | Radio Morphing: Fast computation of inclined air shower radio emission | arXiv:2601.06418v1 Announce Type: new Abstract: The preparation of next-generation large-scale radio experiments requires running a fast and efficient number of simulations to explore multiple detector configurations over vast areas and develop novel methods for the reconstruction of air shower parameters. While Monte ... | https://arxiv.org/abs/2601.06418 | Academic Papers | svg |
d653b69ac8d9c7943d11c57b8c2bb58b27f70ad02252db1d85d41af2c6681f71 | 2026-01-13T00:00:00-05:00 | Simulations of Electron Beam Interactions in Brown Dwarf Atmospheres | arXiv:2601.06420v1 Announce Type: new Abstract: Over two decades ago, the first detection of electron cyclotron maser instability (ECMI) radio emission from a brown dwarf confirmed the presence of aurorally precipitating electrons on these objects. This detection established that brown dwarfs can exhibit magnetic activ... | https://arxiv.org/abs/2601.06420 | Academic Papers | svg |
b98c0031c431e91bf1a6a09f93c0e44658e28853c9ab4a59e1ded41ed7c0db7f | 2026-01-13T00:00:00-05:00 | Brahe: A Modern Astrodynamics Library for Research and Engineering Applications | arXiv:2601.06452v1 Announce Type: new Abstract: Brahe is a modern satellite dynamics library for research and engineering applications. The representation and prediction of satellite motion is the fundamental problem of astrodynamics. Current research and applications in space situational awareness, satellite task plan... | https://arxiv.org/abs/2601.06452 | Academic Papers | svg |
cf0b9042c4fb9fdf9b3de57ca221bbbdd3bf75d087fbdf0a0fecdffaab11b4e1 | 2026-01-13T00:00:00-05:00 | Ruling Out Compact Jets as the Dominant Source of Radio Emission in Radio-quiet, High Eddington-ratio Active Galactic Nuclei | arXiv:2601.06480v1 Announce Type: new Abstract: The origin of core radio emission in radio-quiet active galactic nuclei (AGNs) is still actively debated. General relativistic magnetohydrodynamics simulations often predict the launching of moderately large-scale jets from super-Eddington accretion flows, but this predic... | https://arxiv.org/abs/2601.06480 | Academic Papers | svg |
22a51e802c080ebd5d037c427eb7ba2195a077121f1350a3af182a2d2124b07a | 2026-01-13T00:00:00-05:00 | High-order expansions of multi-revolution elliptic Halo orbits in the elliptic restricted three-body problem | arXiv:2601.06563v1 Announce Type: new Abstract: Multi-revolution elliptic Halo (ME-Halo) orbits are a special class of symmetric and periodic solutions within the framework of the elliptic restricted three-body problem (ERTBP). During a single period, an M:N ME-Halo orbit completes $M$ revolutions around a libration po... | https://arxiv.org/abs/2601.06563 | Academic Papers | svg |
0482cadff7d60edaecbe3c1654e0b9b3b7951018ea8b9b6d70bd7fb3f16da5bd | 2026-01-13T00:00:00-05:00 | A binary merger product as the direct progenitor of a Type II-P supernova | arXiv:2601.06577v1 Announce Type: new Abstract: Type II-P supernovae (SNe II-P) are the most common class of core-collapse SNe in the local Universe and play critical roles in many aspects of astrophysics. Since decades ago theorists have predicted that SNe II-P may originate not only from single stars but also from in... | https://arxiv.org/abs/2601.06577 | Academic Papers | svg |
04c2a3e38db3b2f1ae0eb9fbc98ca08efeae0256dbda2fef30127c027a3aeb44 | 2026-01-13T00:00:00-05:00 | AstroSat UV Deep Field IV. An Extended UV disk around a massive spiral galaxy at z=0.67 | arXiv:2601.06581v1 Announce Type: new Abstract: Extended ultraviolet (XUV) emission in nearby disk galaxies supports the inside-out growth scenario through low-efficiency star formation in their outer regions. However, such detections have largely been limited to the local Universe (z ~ 0) due to the need for deep, hig... | https://arxiv.org/abs/2601.06581 | Academic Papers | svg |
11d39fad7991f8ae5126c3e5323e8b35e9e919d555c904e94b6f56e6e7b31244 | 2026-01-13T00:00:00-05:00 | Constraining Inflation Models with Spinning Voids | arXiv:2601.06589v1 Announce Type: new Abstract: We present a powerful new diagnostics by which the running of scalar spectral index of primordial density fluctuations can be tightly and independently constrained. This new diagnostics utilizes coherent rotation of void galaxies, which can be observed as redshift asymmet... | https://arxiv.org/abs/2601.06589 | Academic Papers | svg |
132ec50ed3e44b5f29f924763b93cb425a9ebd9a0f7e511100f1e61629e97f49 | 2026-01-13T00:00:00-05:00 | Impact of a negative cosmological constant on the reconstruction of dark energy in light of DESI BAO data | arXiv:2601.06656v1 Announce Type: new Abstract: An anti-de Sitter vacuum, corresponding to a negative cosmological constant (NCC), might coexist with one evolving positive dark energy component at low redshift and is hinted by the latest DESI observations. In this paper, we use two methods, \textit{redshift-binned} and... | https://arxiv.org/abs/2601.06656 | Academic Papers | svg |
b4aed8ee477198e49178ca76b586b5514ef6eea789ad6e371f6e2d22c4c6528a | 2026-01-13T00:00:00-05:00 | Evaluating the efficacy of a data cube treatment procedure for kinematic analyses: application to NGC 3115 and NGC 4699 | arXiv:2601.06718v1 Announce Type: new Abstract: Data cubes have been increasingly used in astronomy. These data sets, however, are usually affected by instrumental effects and high-frequency noise. In this work, we evaluate the efficacy of a data cube treatment methodology, previously proposed by our research group, fo... | https://arxiv.org/abs/2601.06718 | Academic Papers | svg |
9cd4d7f4a5f8d63fd97f38e5de09ba8201920f1aef2ac312a81e4eb9e2f1f447 | 2026-01-13T00:00:00-05:00 | SPHEREx Re-Observation of Interstellar Object 3I/ATLAS in December 2025: Detection of Increased Post-Perihelion Activity, Refractory Coma Dust, and New Coma Gas Species | arXiv:2601.06759v1 Announce Type: new Abstract: In December-2025, the NASA SPHEREx spacecraft re-observed ISO 3I/ATLAS post-perihelion, finding a much more active object compared to August-2025 SPHEREx pre-perihelion observations, with marked evidence for development into an cometary body fully sublimating all its ices... | https://arxiv.org/abs/2601.06759 | Academic Papers | svg |
b930280082ae0c374d2f839743c9b217a14b944cd4f187191664fbaf33337df4 | 2026-01-13T00:00:00-05:00 | Joint Optical-HI mock catalogs and prospects for upcoming HI surveys | arXiv:2601.06815v1 Announce Type: new Abstract: Atomic hydrogen (HI) regulates star formation as cold gas fuels star formation. It represents a key phase of matter in the baryon cycle involving accretion, feedback, outflows, and gas recycling. Redshifted $21$ cm line emission originating from galaxies serves as a key t... | https://arxiv.org/abs/2601.06815 | Academic Papers | svg |
cf992a8dcc186e569cb297a0185926c42cdbfd827a68437fa1250609d073a9db | 2026-01-13T00:00:00-05:00 | Computing Natural Magnitudes in the Photometric Systems of Astronomical Plates using Gaia DR3 SEDs | arXiv:2601.06859v1 Announce Type: new Abstract: Context. Accurate photometric calibration of astronomical photographic plates remains a fundamental challenge in astronomy, especially when bridging historical photographic data with modern observations due to the mismatch of spectral sensitivities of photographic plates ... | https://arxiv.org/abs/2601.06859 | Academic Papers | svg |
6610912156de4c12da0885ef4dfced8a783ad26f731361077a724820797d14a8 | 2026-01-13T00:00:00-05:00 | Turbulent Properties of Interplanetary Coronal Mass Ejections Observed by Solar Orbiter in the Inner Heliosphere | arXiv:2601.06904v1 Announce Type: new Abstract: We investigate the turbulent properties of 12 interplanetary coronal mass ejections (ICMEs) observed by Solar Orbiter between 0.29 and 1.0 AU. We analyze fluctuation power, spectral indices, break scales, and correlations between magnetic and velocity fluctuations (v-b) t... | https://arxiv.org/abs/2601.06904 | Academic Papers | svg |
1440983b5565c8c57934cf72fcace42ab223d00cc5743376a2215f65920b3cf4 | 2026-01-13T00:00:00-05:00 | The Isaac Newton Telescope Monitoring Survey of Local Group Dwarf Galaxies-VIII. A Census of Long-Period Variable Stars across the Andromeda Dwarf Satellite System | arXiv:2601.06924v1 Announce Type: new Abstract: We present a comprehensive catalog, in the Sloan $i$ and Harris $V$ filters, of long-period variable (LPV) stars in the spheroidal dwarf satellites of the Andromeda galaxy, based on a dedicated survey for variable stars in Local Group dwarf systems. Using photometric time... | https://arxiv.org/abs/2601.06924 | Academic Papers | svg |
275e8028329bd23b3fcd69d46e97d89425f7896c56ef2b32c6aed37e79c0f879 | 2026-01-13T00:00:00-05:00 | Nitrogen abundances in star-forming galaxies 2.2 Gyr after the Big Bang are not elevated | arXiv:2601.06968v1 Announce Type: new Abstract: Using deep medium-resolution JWST rest-optical spectra of a sample of typical star-forming galaxies (Lyman break galaxies and Lyman-$\alpha$ emitters) from the LyC22 survey at $z \sim 3$, we determined the nebular abundances of N, O, and Ne relative to H for a subsample o... | https://arxiv.org/abs/2601.06968 | Academic Papers | svg |
b27fe46783c4295d41a4894e45f406371548e199dd33826d6444e270f5640479 | 2026-01-13T00:00:00-05:00 | Rings around irregular bodies. II. Numerical simulations of the 1/3 spin-orbit resonance confinement and applications to Chariklo | arXiv:2601.06975v1 Announce Type: new Abstract: Rings have been found around Chariklo, Haumea and Quaoar, three small objects of the Solar System. All these rings are observed near the second-order spin-orbit resonances (SORs) 1/3 or 5/7 with the central body, suggesting an active confinement mechanism by these resonan... | https://arxiv.org/abs/2601.06975 | Academic Papers | svg |
6f2ae1ed0edc4fbf5e066a8ec96bb4d5c7b8594933b8e911c6dc5c97d464d89a | 2026-01-13T00:00:00-05:00 | Magnetic winds in resistive compact binary discs | arXiv:2601.06994v1 Announce Type: new Abstract: Dwarf Novae and low-mass X-ray binaries are eruptive binary systems comprised of a Roche-lobe overflowing solar-type star and an accreting compact object. Their recurrence time can be explained by a low-accreting phase, the quiescence, during which the angular momentum tr... | https://arxiv.org/abs/2601.06994 | Academic Papers | svg |
6ee9beb984e6bdf8f8e0ef2f4325c87fed97353c2af3f60185ee7337485ff042 | 2026-01-13T00:00:00-05:00 | The Structure of Poloidal Fields Embedded in Thin Disks | arXiv:2601.07031v1 Announce Type: new Abstract: Many accreting systems are modeled as geometrically thin disks. Simulations of accretion disks cannot be extended to this regime, although local models can address the behavior of narrow annuli. A global model needs to account for the interactions between a large-scale po... | https://arxiv.org/abs/2601.07031 | Academic Papers | svg |
6f4d61c58a8682ee35663e0f29067106d8af136e0f0a12d025b2c4b1455c871b | 2026-01-13T00:00:00-05:00 | A New Consistency Test for the $\Lambda$CDM Model using Radial and Transverse BAO Measurements | arXiv:2601.07075v1 Announce Type: new Abstract: We present a calibration-free consistency test of spatially flat $\Lambda$CDM based on baryon acoustic oscillation (BAO) distance measurements. The method forms ratios of BAO distances -- the Hubble distance $\DH(z)$, the comoving angular diameter distance $\DM(z)$, and t... | https://arxiv.org/abs/2601.07075 | Academic Papers | svg |
dfd790428568f628c459fb68125b9259057f05ffa0fbcc37a4e9aaf6b5ccd681 | 2026-01-13T00:00:00-05:00 | Magma Ocean Waves and Thermal Variability on Lava Worlds | arXiv:2601.07080v1 Announce Type: new Abstract: Lava worlds are rocky planets with dayside skins made molten by stellar irradiation. Tidal heating on these shortest-period planets is more than skin deep. We show how orbital eccentricities of just a few percent (within current observed bounds and maintained secularly by... | https://arxiv.org/abs/2601.07080 | Academic Papers | svg |
81dd55220d506c514e0d6f798c9377d8054db8285109beebfb19a5e8b78430e3 | 2026-01-13T00:00:00-05:00 | On the 3D time evolution of the dust size distribution in protostellar envelopes | arXiv:2601.07088v1 Announce Type: new Abstract: Dust plays a fundamental role during protostellar collapse, disk and planet formation. Recent observations suggest that efficient dust growth may begin early, in the protostellar envelopes, potentially even before the formation of the disk. Three-dimensional models of pro... | https://arxiv.org/abs/2601.07088 | Academic Papers | svg |
54300e4626e3ce9805ce0a0a1fb01f48ad25371213b96d78771c5612e319049b | 2026-01-13T00:00:00-05:00 | More power on large scales | arXiv:2601.07106v1 Announce Type: new Abstract: The high value of the cosmic microwave dipole may be telling us that dark matter is macroscopic rather than a fundamental particle. The possible presence of a significant dark matter component in the form of primordial black holes suggests that dark halo formation simulat... | https://arxiv.org/abs/2601.07106 | Academic Papers | svg |
aeff60c63944b4791adf692c2249847f8a6fab1cdbf0fcdcea145dcdbc649088 | 2026-01-13T00:00:00-05:00 | The Hierarchical Structure of the Open Cluster NGC 752 | arXiv:2601.07127v1 Announce Type: new Abstract: The structure of open clusters provides key insights into their evolution and the dynamics of the Milky Way. Using Gaia DR3 data, we applied a hierarchical clustering algorithm to the open cluster NGC 752 based on the kinematical information and identified four substructu... | https://arxiv.org/abs/2601.07127 | Academic Papers | svg |
5bf282f39253b28b15ac339b402bbc6dae0db67ab3d070b9f094def6abcedd24 | 2026-01-13T00:00:00-05:00 | Slow White Dwarf Mergers as a New Galactic Source of Trans-Iron Elements | arXiv:2601.07151v1 Announce Type: new Abstract: The astrophysical origins of the heaviest stable elements that we observe today in the Solar System are still not fully understood. Recent studies have demonstrated that H-accreting white dwarfs (WDs) in a binary sys- tem exploding as type Ia supernovae could be an effici... | https://arxiv.org/abs/2601.07151 | Academic Papers | svg |
476bf1ddf94085858943b86109a4041f7caa1ace71912751029e76aafa3ae80f | 2026-01-13T00:00:00-05:00 | Limit cycles and the climate history of Mars | arXiv:2601.07159v1 Announce Type: new Abstract: Evidence for fluvial features and standing liquid water indicate that Mars was a warmer and wetter place in its past; however, climate models have historically been unable to produce conditions to yield a warm early Mars under the faint young sun. Some models invoke thick... | https://arxiv.org/abs/2601.07159 | Academic Papers | svg |
02cb16513197e12d14b4fda00354d87fc60053660e1fbc1ce9b6e901c864a59d | 2026-01-13T00:00:00-05:00 | First Submillimeter Lights from Dome A: Tracing the Carbon Cycle in the Feedback of Massive Stars | arXiv:2601.07162v1 Announce Type: new Abstract: The cycling of carbon between its ionized, atomic, and molecular phases shapes the chemical compositions and physical conditions of the interstellar medium (ISM). However, ground-based studies of the full carbon cycle have been limited by atmospheric absorption. Dome~A, t... | https://arxiv.org/abs/2601.07162 | Academic Papers | svg |
9ee54e394e24cf2942b37593707b2b52587e6205b3a95e4944e91f707c582aac | 2026-01-13T00:00:00-05:00 | A Study Revealing Physical Attributes of Supernova Remnant in G321.3-3.9 | arXiv:2601.07170v1 Announce Type: new Abstract: We present a radio analysis of the recently identified supernova remnant G321.3-3.9 using archival multi-wavelength data spanning 88-2304 MHz. The source exhibits an elliptical shell-like morphology (1.3 deg x 1.7 deg) and a relatively flat non-thermal spectral index of a... | https://arxiv.org/abs/2601.07170 | Academic Papers | svg |
559ba6c97ad1931c116316c268d2d3310f83f7b1f6e2e6212311627896faa331 | 2026-01-13T00:00:00-05:00 | Does the radio-active phase of XTE~J1810$-$197 recur following the same evolutionary pattern? | arXiv:2601.07173v1 Announce Type: new Abstract: Magnetars are the most strongly magnetized compact objects known in the Universe and are regarded as one of the primary engines powering a variety of enigmatic, high-energy transients. However, our understanding of magnetars remains highly limited, constrained by observat... | https://arxiv.org/abs/2601.07173 | Academic Papers | svg |
a4f8c63fd9b03e4dd9fca36c3e2d338729fb695145751fb147a35c9c3dcd9b23 | 2026-01-13T00:00:00-05:00 | The stellar initial mass function of nearby young moving groups | arXiv:2601.07184v1 Announce Type: new Abstract: The solar neighbourhood is populated by nearby, young moving groups (NYMGs) of stars that are candidates to be remnants of individual stellar clusters and associations, currently dispersing in the galactic disc. To derive the initial mass function (IMF) of a large sample ... | https://arxiv.org/abs/2601.07184 | Academic Papers | svg |
7ba2c30af3464e3feaa192c5dbba2f2bd5234093d3b284d8b3951ad888252a33 | 2026-01-13T00:00:00-05:00 | Broad line regions behind haze: Intrinsic shape of Br$\gamma$ line and its origin in a type-1 Seyfert galaxy | arXiv:2601.07211v1 Announce Type: new Abstract: The broad-line region (BLR) of active galactic nuclei (AGN) is an essential component, yet its small size keeps its origin, structure, and kinematics uncertain. Infrared interferometry with VLTI/GRAVITY is now resolving BLR-scale emission, with data for NGC 3783 consisten... | https://arxiv.org/abs/2601.07211 | Academic Papers | svg |
8e1f1bc86132eee5b185a7f1c505516483cb6f1d8858a72bfa44377c7eff6cd7 | 2026-01-13T00:00:00-05:00 | The magnetic helicity driven solar-type dynamo | arXiv:2601.07244v1 Announce Type: new Abstract: (1)The previous theoretical studies showed that in the presence of the small-scale dynamo the large-scale vorticity can produce the the divergent-type helicity flux breaking the equatorial reflection symmetry of the magnetic fluctuations in the stellar convection zone. Th... | https://arxiv.org/abs/2601.07244 | Academic Papers | svg |
906e4b94d7a1b31da4a033c056566ca1279e647042118e641f00e1081fcb664b | 2026-01-13T00:00:00-05:00 | What can be learnt from UHECR anisotropies observations Paper III: Update with new data and Galactic magnetic fields models | arXiv:2601.07259v1 Announce Type: new Abstract: Context. At large angular scales, the Pierre Auger Observatory has reported a significant dipole modulation in right ascension, while at intermediate angular scales, localized flux excesses have been identified by both the Auger and Telescope Array collaborations. These o... | https://arxiv.org/abs/2601.07259 | Academic Papers | svg |
02cb3d388b5d0bcccd7f707dd1b203b863b071800a58a4514c77c3ebf1983ffc | 2026-01-13T00:00:00-05:00 | Photometric Redshift Estimation Using Scaled Ensemble Learning | arXiv:2601.07292v1 Announce Type: new Abstract: The development of the state-of-the-art telescopic systems capable of performing expansive sky surveys such as the Sloan Digital Sky Survey, Euclid, and the Rubin Observatory's Legacy Survey of Space and Time (LSST) has significantly advanced efforts to refine cosmologica... | https://arxiv.org/abs/2601.07292 | Academic Papers | svg |
835d5f36d3eca7267e1256f54d39b8034ab835e5be109e87fd27b7cbf6715538 | 2026-01-13T00:00:00-05:00 | WISE/CatWISE Constraints on Dysonian Waste-Heat Technosignatures in Nearby Galaxies | arXiv:2601.07297v1 Announce Type: new Abstract: We search for galaxy-scale (Dysonian) waste heat in the mid-infrared using WISE. Starting from the 2MASS Redshift Survey (2MRS), we cross-match to CatWISE2020 and AllWISE, apply standard MIR AGN/starburst vetoes (Stern, Assef R90, Jarrett), and treat W1 and W2 as stellar ... | https://arxiv.org/abs/2601.07297 | Academic Papers | svg |
de76c402e2fdde3e51cc6fadfb5453078b276f4b03c22e872e2ae9ea8d89996b | 2026-01-13T00:00:00-05:00 | Emulator-Based Inference of Cosmological Subgrid Models | arXiv:2601.07306v1 Announce Type: new Abstract: The formation of structure in the Universe at large scales is dominated by gravity, with baryonic physics becoming significant at $\sim{\rm Mpc}$ scales. To capture the impact of baryonic physics, cosmological simulations must model gas dynamics and a host of relevant ast... | https://arxiv.org/abs/2601.07306 | Academic Papers | svg |
b899da64ac0a12856d6555cc3f82b8063bea1e739be4051e7214d5be725f0a44 | 2026-01-13T00:00:00-05:00 | Multi-wavelength properties of changing-state active galactic nuclei: I. the evolution of soft excess and X-ray continuum | arXiv:2601.07337v1 Announce Type: new Abstract: Changing-state active galactic nuclei (CSAGNs) exhibit rapid variability, with mass accretion rates that can change by several orders of magnitude in a few years. This provides us with a unique opportunity to study the evolution of the inner accretion flow almost in real ... | https://arxiv.org/abs/2601.07337 | Academic Papers | svg |
4fce30814deb78a7380b3d699e058330f70b002174dbe7a5147fcb6daeff98e4 | 2026-01-13T00:00:00-05:00 | New $H(z)$ measurement at Redshift = 0.12 with DESI Data Release 1 | arXiv:2601.07345v1 Announce Type: new Abstract: The Hubble parameter ($H(z)$) is a function of the redshift and a reliable measurement is very important to understand the expansion history of the Universe. In this work, we perform full-spectrum fitting using BAGPIPES on more than four thousand massive, passively evolvi... | https://arxiv.org/abs/2601.07345 | Academic Papers | svg |
a6a8fbfc543a9d0f9c02da529974a15b98c97442b52e5ba6de7f11917d2cac63 | 2026-01-13T00:00:00-05:00 | Direct detection of the non-thermal X-ray emission from the Arches star cluster | arXiv:2601.07357v1 Announce Type: new Abstract: The compact stellar clusters have emerged as particularly promising candidates for cosmic rays (CR) accelerators. The star clusters, recently observed in gamma-rays, are also known sources of non-thermal X-ray emission, which is due to synchrotron or inverse-Compton scatt... | https://arxiv.org/abs/2601.07357 | Academic Papers | svg |
cba0c47d2b892dfb83f220964b5f03d39310237606b077899e074a520abae2cb | 2026-01-13T00:00:00-05:00 | Strong Evidence for Dark Sector Interactions | arXiv:2601.07361v1 Announce Type: new Abstract: Recent DESI baryon acoustic oscillation data reveal deviations from $\Lambda$CDM cosmology, conventionally attributed to dynamical dark energy (DE). We demonstrate that these deviations are equally, if not better, explained by interactions between dark matter and dark ene... | https://arxiv.org/abs/2601.07361 | Academic Papers | svg |
cfa5a86fedfd5750db6a810e0d2a02d502462ad091b8012fc5a506d6a7e693d6 | 2026-01-13T00:00:00-05:00 | Expanding the C$_3$H$_6$O$_2$ Isomeric Interstellar Inventory: Discovery of Lactaldehyde and Methoxyacetaldehyde in G+0.693-0.027 | arXiv:2601.07365v1 Announce Type: new Abstract: The tentative detection of 3-hydroxypropanal (HO(CH$_2$)$_2$C(O)H) toward the Galactic center molecular cloud G+0.693-0.027 prompts a systematic survey in this source aimed at detecting all C$_3$H$_6$O$_2$ isomers with available spectroscopy. We use an ultra-deep broadban... | https://arxiv.org/abs/2601.07365 | Academic Papers | svg |
8d459661350a664c61abc53910f5451b4a6125264a3f628bd4628c8699b1353c | 2026-01-13T00:00:00-05:00 | Possible evidence for a pair-instability supernova nature of ultra-early JWST sources | arXiv:2601.07374v1 Announce Type: new Abstract: Recent JWST observations have revealed a population of unexpectedly bright sources at ultra-high redshift ($z > 15$), challenging current models of early galaxy formation. One extreme example is 'Capotauro', an F356W-dropout identified in the CEERS survey and initially in... | https://arxiv.org/abs/2601.07374 | Academic Papers | svg |
2707ae460b3ab3cbdb8890cec816e5ffc5c65f944f7687b9101ad06833f20e8c | 2026-01-13T00:00:00-05:00 | Temporal variability of polarization in blazars | arXiv:2601.07387v1 Announce Type: new Abstract: We investigate the temporal variability of polarization of synchrotron radiation from blazar jets. Multiwavelength observations revealed high-amplitude rotations of the electric vector position angle (EVPA), both in the optical and in the X-rays. More often, the polarizat... | https://arxiv.org/abs/2601.07387 | Academic Papers | svg |
b2764920db11742af75494cd1acc6488564518470b88077a8d93d592ef34287d | 2026-01-13T00:00:00-05:00 | Asymmetric distribution of Fe-peak elements in Cassiopeia A revealed by XRISM | arXiv:2601.07394v1 Announce Type: new Abstract: The elemental abundances of the Fe-peak elements (such as Cr, Mn, Fe and Ni) and Ti are important for understanding the environment of explosive nuclear burning for the core-collapse supernovae (CC SNe). In particular, the supernova remnant Cassiopeia A, which is well kno... | https://arxiv.org/abs/2601.07394 | Academic Papers | svg |
2f48b1787bc038599d3b5fd922baa5a32eb438a425448a8094b6b6d3672fb00f | 2026-01-13T00:00:00-05:00 | The converging gas flow around the infrared dark cloud G28.3 | arXiv:2601.07407v1 Announce Type: new Abstract: Aims: The G28.37+0.07 star-forming region is a prototypical infrared dark cloud (IRDC) located at the interface of a converging gas flow. This study characterizes the properties of this dynamic gas flow. Methods: Combining data from the Northern Extended Millimeter Array ... | https://arxiv.org/abs/2601.07407 | Academic Papers | svg |
b30c34e11013e53cfaea8c315454cc3ff6f6b8078aefe4918d7ae75f597776a7 | 2026-01-13T00:00:00-05:00 | Characterization of two new transiting sub-Neptunes and a terrestrial planet around M-dwarf hosts | arXiv:2601.07414v1 Announce Type: new Abstract: We report the confirmation of three transiting exoplanets orbiting TOI-1243 (LSPM~J0902+7138), TOI-4529 (G~2--21), and TOI-5388 (Wolf~346) that were initially detected by TESS through ground-based photometry and radial velocity follow-up measurements with CARMENES. The pl... | https://arxiv.org/abs/2601.07414 | Academic Papers | svg |
879299ec09f4ee4cca599feb98a223c4978aa48c0c1e2b53d3c4d95a7c32975c | 2026-01-13T00:00:00-05:00 | A free-fall-based switching criterion for P^3 T N-body methods in collisional stellar systems | arXiv:2601.07425v1 Announce Type: new Abstract: The P$^3$T scheme is a hybrid method for simulating gravitational $N$-body systems. It combines a fast particle-tree (PT) algorithm for long-range forces with a high-accuracy particle-particle (PP, direct $N$-body) solver for short-range interactions. Preserving both PT e... | https://arxiv.org/abs/2601.07425 | Academic Papers | svg |
c0810cce5939444850cd57fd3e81afad419a448a158d61fcd0d95b8833de811d | 2026-01-13T00:00:00-05:00 | A Study of Two Type IIb Supernovae: SNe 2008aq and 2019gaf | arXiv:2601.07450v1 Announce Type: new Abstract: We present photometric and spectroscopic studies of two core-collapse supernovae (SNe) 2008aq and 2019gaf in the optical wavelengths. Light curve and spectral sequence of both the SNe are similar to those of other Type IIb SNe. The pre-maximum spectrum of SN~2008aq showed... | https://arxiv.org/abs/2601.07450 | Academic Papers | svg |
fc7bd642aad0e5f02d4904a4103157f2cc324e3b9fd3d649f78cd64b7430920b | 2026-01-13T00:00:00-05:00 | Exoplanet transit search at the detection limit: detection and false alarm vetting pipeline | arXiv:2601.07465v1 Announce Type: new Abstract: One of the primary mission goals of the Kepler space telescope was to detect Earth-like terrestrial planets in the habitable zone around Sun-like stars. These planets are at the detection limit, where the Kepler detection and vetting pipeline produced unreliable planet ca... | https://arxiv.org/abs/2601.07465 | Academic Papers | svg |
ce8fb25a5c00b55e89ec98f3320460649849ba8603bf23311ad64bb7ea8a7bb5 | 2026-01-13T00:00:00-05:00 | Instantaneous thermally-driven erosion can explain dearth of dark near-Sun asteroids | arXiv:2601.07471v1 Announce Type: new Abstract: Recent models of the near-Earth asteroid population show that asteroids must be super-catastrophically destroyed when they evolve to orbits with perihelion passages well inside of Mercury's orbit. The heliocentric distances at which the disruptions typically occur are ten... | https://arxiv.org/abs/2601.07471 | Academic Papers | svg |
98f792d03e1dcf6c5a7a1aebdbf945cc74f336502da460ba65fab2e53e1b0083 | 2026-01-13T00:00:00-05:00 | A Guided Unconditional Diffusion Model to Synthesize and Inpaint Radio Galaxies from FIRST, MGCLS and Radio Zoo | arXiv:2601.07485v1 Announce Type: new Abstract: We present a masked guided approach for a denoising diffusion probabilistic model (DDPM) trained to generate and inpaint realistic radio galaxy images. We train the DDPM using the FIRST radio galaxy catalog, the Radio Galaxies Zoo and cutouts of the MGCLS catalog. We comp... | https://arxiv.org/abs/2601.07485 | Academic Papers | svg |
26ff40e2d416a5b2a959933bd8553d13ed0341f5306ae8b1fc3d7dee26da5de8 | 2026-01-13T00:00:00-05:00 | Modified Gravity and the Origin of the Excess Radio Galaxy Number-Count Dipole | arXiv:2601.07487v1 Announce Type: new Abstract: Recent analyses of wide-area radio-galaxy surveys have reported a statistically significant excess in the cosmic number-count dipole, with an amplitude exceeding the purely kinematic expectation of the standard $\Lambda$CDM model by a factor of $\sim 3$--$4$, quoted at a ... | https://arxiv.org/abs/2601.07487 | Academic Papers | svg |
26a1c79ac59a4d9ffc0a68141ba2a49739d1a7dbdfe4362d4d9bd9d0de8c5e48 | 2026-01-13T00:00:00-05:00 | The combined X-ray and $\gamma$-ray modeling of millisecond pulsars PSR J0030+0451 in the dissipative magnetospheres | arXiv:2601.07491v1 Announce Type: new Abstract: Modeling of the NICER X-ray light curves of millisecond pulsars PSR J0030+0451 provides a strong evidence for the existence of non-dipole magnetic fields. We study the X-ray and $\gamma$-ray emission of PSR J0030+0451 in the dissipative dipole plus off-centred quadrupole ... | https://arxiv.org/abs/2601.07491 | Academic Papers | svg |
9017e3be1e1e0be91415ddd90d168836e6174089ef42a8762d560df739f9c11c | 2026-01-13T00:00:00-05:00 | High-resolution simulations of non-thermal emission from LS 5039 | arXiv:2601.07501v1 Announce Type: new Abstract: In a previous study, we investigated the relativistic wind dynamics in the LS 5039 system. In this work, we analyse energetic-particle transport within this modelling context, where we simulate the high-energy particle distribution and ensuing emission of non-thermal radi... | https://arxiv.org/abs/2601.07501 | Academic Papers | svg |
b414c54d472c8403effe66336ca109f8e46ada441da7cf3d312f0c428e4d7fae | 2026-01-13T00:00:00-05:00 | Revealing the diversity of Type IIn supernova progenitors through their environments | arXiv:2601.07542v1 Announce Type: new Abstract: Type IIn supernovae (SNe IIn) are hydrogen-rich explosions embedded in dense circumstellar medium (CSM), which gives rise to their characteristic narrow hydrogen emission lines. The nature of their progenitors and pre-explosion mass loss remains, however, poorly understoo... | https://arxiv.org/abs/2601.07542 | Academic Papers | svg |
88add4fb7feaedb197f33254a92259280c27aac4a503823d24d0d62c134b85dd | 2026-01-13T00:00:00-05:00 | CASCO: Cosmological and AStrophysical parameters from Cosmological simulations and Observations IV. Testing warm dark matter cosmologies with galaxy scaling relations: A joint simulation-observation study using DREAMS simulations | arXiv:2601.07543v1 Announce Type: new Abstract: Small-scale discrepancies in the standard Lambda cold dark matter paradigm have motivated the exploration of alternative dark matter (DM) models, such as warm dark matter (WDM). We investigate the constraining power of galaxy scaling relations on cosmological, astrophysic... | https://arxiv.org/abs/2601.07543 | Academic Papers | svg |
ba6b5789f4c5f279846f6faa003f85ba207c76077d9e7e8e723e45b327cbfa09 | 2026-01-13T00:00:00-05:00 | Isochrone Fitting of Galactic Globular Clusters -- VII. NGC\,1904 (M79), NGC\,4372, and revision of NGC\,288, NGC\,362, NGC\,5904 (M5), NGC\,6205 (M13), and NGC\,6218 (M12) | arXiv:2601.07555v1 Announce Type: new Abstract: We estimate key parameters for the Galactic globular clusters NGC1904 and NGC4372 and update the parameters for NGC288, NGC362, NGC5904, NGC6205, and NGC6218, which were analysed in our previous papers. We fit various colour--magnitude diagrams (CMDs) of the clusters usin... | https://arxiv.org/abs/2601.07555 | Academic Papers | svg |
748244347a1a963367c9246194d0d0c0992ed03ec15892b725cbe17d321c2329 | 2026-01-13T00:00:00-05:00 | Uniform models of neutron and quark (strange) stars in General Relativity | arXiv:2601.07560v1 Announce Type: new Abstract: Models of neutron and strange stars are considered in the approximation of a uniform density distribution. A universal algebraic equation, valid for any equation of state, is used to find the approximate mass of a star of a given density without resorting to the integrati... | https://arxiv.org/abs/2601.07560 | Academic Papers | svg |
fabcdf40b9846434135877610c606be8da5398606d2c9cfcd5eb00dffc6dc09d | 2026-01-13T00:00:00-05:00 | Cosmic rays, gamma rays and neutrinos from discrete black hole X-ray binary ejecta | arXiv:2601.07589v1 Announce Type: new Abstract: The origin of cosmic rays from outside the Solar system are unknown, as they are deflected by the interstellar magnetic field. Supernova remnants are the main candidate for cosmic rays up to PeV energies but due to lack of evidence, they cannot be concluded as the sources... | https://arxiv.org/abs/2601.07589 | Academic Papers | svg |
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