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AstroArxiv
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astroarxiv.bsky.social
Searching for Axion-like particle Dark Matter with Time-domain Polarization: Constraints from a protoplanetary disk. Kanako Narita et. al. https://arxiv.org/abs/2602.15611
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February 18, 2026 at 11:42 PM
astroarxiv.bsky.social
Bayesian parameter study of the Seyfert-starburst composite galaxies NGC 1068 and NGC 7469. Björn Eichmann et. al. https://arxiv.org/abs/2602.15644
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February 18, 2026 at 11:41 PM
astroarxiv.bsky.social
Spectroscopic analysis and RHD modeling of the first Ca II H and H-epsilon flare spectra from DKIST/ViSP. Cole Tamburri et. al. https://arxiv.org/abs/2602.15658
/AIA images from 2022 August 19 for three time-steps before (20:30 UT, panels (b) and (e)), during (20:42 UT, panels (a), (c), (f)), and after (21:10 UT, panels (d) and (g)) DKIST flare observations. Panel (a), (b) through (d), and (e) through (g) show the 304 , 1600 , and 131 { $ $ observations of the GOES C6.7 class flare in NOAA active region 13078 on 2022 August 19. The bright flare ribbon and dark filament structures, used for co-alignment with ViSP spectra, are clearly visible, particularly in the first image frame (upper left). There are significant variations in... Co-alignment of the ViSP and VBI images using SDO's Helioseismic and Magnetic Imager (HMI) as a basis. (a) The VBI H$ $ image frame at 2022 August 19, 20:42:07UT. (b) The integrated {Ca -aligning DKIST/ViSP {Ca
February 18, 2026 at 11:40 PM
astroarxiv.bsky.social
Detecting the neutrino mass via the cross-correlation between matter tracers and the ISWRS effect?. Viviana Cuozzo et. al. https://arxiv.org/abs/2602.15688
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February 18, 2026 at 11:40 PM
astroarxiv.bsky.social
Hot subdwarf stars from the Hamburg Quasar Survey. Ulrich Heber et. al. https://arxiv.org/abs/2602.15692
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February 18, 2026 at 11:39 PM
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The Montreal Open Clusters and Associations (MOCA) Database: A Census of Nearby Associations, Open Clusters, and Young Substellar Objects within 500 pc of the Sun. Jonathan Gagné et. al. https://arxiv.org/abs/2602.15695
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February 18, 2026 at 11:38 PM
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Impact of rotation on the amplitude of acoustic modes in solar-like stars: Insights from hydrodynamical simulations. Arthur Le Saux et. al. https://arxiv.org/abs/2602.15735
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February 18, 2026 at 11:37 PM
astroarxiv.bsky.social
Slow focus sensor for the Keck I laser guide star adaptive optics system using focal plane wavefront sensing. Rafael M. Salgueiro et. al. https://arxiv.org/abs/2602.15746
Figure 1 a) Phase retrieval scheme (Adapted from {roddier1999adaptive On-sky results from the night of February 8, 2025, with the GS algorithm for slow focus tracking in closed loop. Raw FCS positions are also shown, in which the four moments when an intentional focus was introduced can be clearly identified. The mean and standard deviation of focus values obtained... Slow focus results, with AO residuals, after bias and gain calibration. Results obtained with five numerically integrated 1-second TRICK frames. Linear fit parameters from raw results: GS ($m=0.23$, $b=-6.2$ nm, $R^2=0.74$); Gf ($m=0.05$, $b=-6.2$ nm, $R^2=0.40$); LiFT ($m=0.22$, $b=-29.9$ nm, $R...
February 18, 2026 at 11:36 PM
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Deep Learning for Point Spread Function Modeling in Cosmology. Dayana Andrea Henao Arbeláez et. al. https://arxiv.org/abs/2602.15780
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February 18, 2026 at 11:36 PM
astroarxiv.bsky.social
Between Plateaus and Slopes: A Data-Driven Exploration of Spectral Diversity Across Type IIP/L Supernovae. Géza Csörnyei et. al. https://arxiv.org/abs/2602.15788
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February 18, 2026 at 11:35 PM
astroarxiv.bsky.social
WISDOM Project - XXVII. Giant molecular clouds of the lenticular galaxy NGC 1387: similarities with spiral galaxy clouds. Fu-Heng Liang et. al. https://arxiv.org/abs/2602.15792
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February 18, 2026 at 11:34 PM
astroarxiv.bsky.social
Nearest Neighbour-Based Statistics for 21cm-Galaxy Cross-Correlations in the Epoch of Reionization. Anirban Chakraborty et. al. https://arxiv.org/abs/2602.15803
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February 18, 2026 at 11:34 PM
astroarxiv.bsky.social
Fabrication and characterization of AlMn alloy superconducting films for 0vbb experiments. Zhouhui Liu et. al. https://arxiv.org/abs/2510.00641
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February 17, 2026 at 2:30 AM
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Fabrication and Characterization of X-ray TES Detectors Based on Annular AlMn Alloy Films. Yifei Zhang et. al. https://arxiv.org/abs/2510.00642
A side view of a TES detector. The gold absorber is square (240 $ $m x 240 $ $m) with a thickness of 2.7 $ $m. It is elevated about 2.5 $ $m from the substrate by five 10 $ $m-width square stems. The center stem doubles as a thermal link to the AlMn TES. Figure 2 TES detector test system and internal physical diagram. (a) depicts the structure of the whole test bench, including a $^{55 Figure 4
February 17, 2026 at 2:30 AM
astroarxiv.bsky.social
SunBURST: Deterministic GPU-Accelerated Bayesian Evidence via Mode-Centric Laplace Integration. Ira Wolfson https://arxiv.org/abs/2601.19957
Wall-clock scaling comparison on Gaussian posteriors. {
February 17, 2026 at 2:29 AM
astroarxiv.bsky.social
Asymptotic Freedom and Vacuum Polarization Determine the Astrophysical End State of Relativistic Gravitational Collapse: Quark--Gluon Plasma Star Instead of Black Hole. Herman J. Mosquera Cuesta et. al. https://arxiv.org/abs/2602.07004
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February 17, 2026 at 2:29 AM
astroarxiv.bsky.social
Machine Learning-Ready Data Sets for the Analysis and Nowcasting of Atmospheric Radiation at Aviation Altitudes. Viacheslav M Sadykov et. al. https://arxiv.org/abs/2602.07108
Evolution of some selected Geospace environment parameters from June 2013 until December 2024, from top to bottom: daily sunspot number, neutron monitor corrected counts from four stations considered, integrated soft X-ray fluxes, energetic proton fluxes, geomagnetic indexes (Kp and Dst), and sol... (a) Schematic structure of the ML-ready dataset entity. A target corresponds to the measurement of radiation dose rate during the ARMAS flight, and the feature vector represents the flight timing and coordinates, NAIRAS predictions, and prehistory of the measurements of the environment. (b) Illus... Coverage of considered ARMAS flight measurements over the Earth globe. The individual measurements are marked as orange points on the map. Left: Measured radiation dose rates VS predicted using an ML model (Random Forest Regressor). The ML model was trained on partition 1 of the static dataset and evaluated on partition 2. Right: Measured radiation dose rates VS nowcast of a physics-based NAIRAS~V3 model for partition 2.
February 17, 2026 at 2:28 AM
astroarxiv.bsky.social
Neutron Stars as Perfect Fluids: Extracting the Linearized Response Function. Irvin Martínez-Rodríguez https://arxiv.org/abs/2602.07115
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February 17, 2026 at 2:27 AM
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Can Dirac neutrinos destabilize $\mathcal{Z}_2$ domain wall network?. Debasish Borah et. al. https://arxiv.org/abs/2602.07380
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February 17, 2026 at 2:26 AM
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Accelerating Black Hole Image Generation via Latent Space Diffusion Models. Ao Liu et. al. https://arxiv.org/abs/2602.07786
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February 17, 2026 at 2:26 AM
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New solution to the hyperon puzzle of neutron stars: Quantum many-body effects. Hao-Fu Zhu et. al. https://arxiv.org/abs/2602.07939
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February 17, 2026 at 2:25 AM
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Dynamic Black-hole Emission Tomography with Physics-informed Neural Fields. Berthy T. Feng et. al. https://arxiv.org/abs/2602.08029
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February 17, 2026 at 2:24 AM
astroarxiv.bsky.social
Can UV meet IR in the Swiss cheese?. Madina Abilmazhinova et. al. https://arxiv.org/abs/2602.08487
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February 17, 2026 at 2:23 AM
astroarxiv.bsky.social
Thermal Vacuum Cosmology Explains Hubble Tension. Robert Alicki https://arxiv.org/abs/2602.08522
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February 17, 2026 at 2:22 AM
astroarxiv.bsky.social
Post-Newtonian accelerations of a Mercury orbiter. Miriam Falletta et. al. https://arxiv.org/abs/2602.08720
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February 17, 2026 at 2:22 AM