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AstroArxiv
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astroarxiv.bsky.social
GRHayL: a modern, infrastructure-agnostic, extensible library for GRMHD simulations. Samuel Cupp et. al. https://arxiv.org/abs/2512.15846
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February 13, 2026 at 5:23 AM
astroarxiv.bsky.social
Freezing-in the Axiverse. Christopher Dessert et. al. https://arxiv.org/abs/2511.09631
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February 13, 2026 at 5:22 AM
astroarxiv.bsky.social
Hierarchical modeling of gravitational-wave populations for disentangling environmental and modified-gravity effects. Shubham Kejriwal et. al. https://arxiv.org/abs/2510.17398
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February 13, 2026 at 5:21 AM
astroarxiv.bsky.social
Scalar-induced gravitational waves in spatially covariant gravity. Jiehao Jiang et. al. https://arxiv.org/abs/2508.20000
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February 13, 2026 at 5:20 AM
astroarxiv.bsky.social
Cosmological constraints from UV/IR mixing. Niccolò Cribiori et. al. https://arxiv.org/abs/2507.02738
February 13, 2026 at 5:19 AM
astroarxiv.bsky.social
WIMP/FIMP dark matter and primordial black holes with memory burden effect. Teruyuki Kitabayashi et. al. https://arxiv.org/abs/2506.20071
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February 13, 2026 at 5:19 AM
astroarxiv.bsky.social
Blast-frozen Dark Matter and Modulated Density Perturbations. Miha Nemevšek et. al. https://arxiv.org/abs/2506.02176
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February 13, 2026 at 5:18 AM
astroarxiv.bsky.social
Sufficient and Necessary Conditions for Collective Neutrino Instability: Fast, Slow, and Mixed. Basudeb Dasgupta (Tata Inst.) et. al. https://arxiv.org/abs/2505.03886
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February 13, 2026 at 5:17 AM
astroarxiv.bsky.social
Freeze-in and freeze-out production of Higgs portal Majorana fermionic dark matter during and after reheating. Rajesh Mondal et. al. https://arxiv.org/abs/2503.20738
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February 13, 2026 at 5:17 AM
astroarxiv.bsky.social
Effect of ultralight dark matter on compact binary mergers. Kabir Chakravarti et. al. https://arxiv.org/abs/2503.19660
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February 13, 2026 at 5:16 AM
astroarxiv.bsky.social
Non-Commutative fluid: an alternative source of cosmic acceleration. Raj Kumar Das et. al. https://arxiv.org/abs/2503.17878
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February 13, 2026 at 5:15 AM
astroarxiv.bsky.social
Stratification of the AGN-Driven multi-phase outflows in the dwarf Seyfert galaxy NGC 4395. Payel Nandi et. al. https://arxiv.org/abs/2602.08447
Upper panel: Rotational excitation diagram of the pure molecular hydrogen emission lines. The solid lines indicate the best-fit models, while the points represent the observed data. The residual panels show the normalized residuals, defined as (data$-$model)/data. Lower panel: Lower panel: E... Figure 2 Distribution of the observed FWHM values (uncorrected for instrumental resolution) for the different gas phases: H$_2$, H {i Variation of outflow velocity ionised gas (top), outflow flux to total flux ratio (lower) (excluding [Fe II] lines) with IP.
February 13, 2026 at 5:14 AM
astroarxiv.bsky.social
Forecasting Constraints on Cosmology and Modified Gravitational-wave Propagation by Strongly Lensed Gravitational Waves Associating with Galaxy Surveys. Anson Chen et. al. https://arxiv.org/abs/2601.21820
The figure shows the forecasted posterior on cosmological parameters in the $w_0w_a$CDM model by jointly analyzing all lensed GW events in each realization, and averaging over all realizations, with different detector networks. The grey dashed lines indicate the parameter values in the fiducial $... The figure shows the forecasted posterior on cosmological parameters in the scalar-tensor gravity model by jointly analyzing all lensed GW events in each realization, and averaging over all realizations, with different detector networks. The grey dashed lines indicate the parameter values in the ... The figure shows the forecasted posterior on cosmological parameters in the $ $CDM model by jointly analyzing all lensed GW events in each realization, and averaging over all realizations, with different detector networks. The grey dashed lines indicate the parameter values in the fiducial $ $CDM... Figure 4
February 13, 2026 at 5:14 AM
astroarxiv.bsky.social
ReveaLLAGN 1: JWST Emission-Line Spectra Reveal Low-Luminosity AGN with UV-Deficient SEDs and Warm Molecular Gas. Kameron Goold et. al. https://arxiv.org/abs/2601.16977
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February 13, 2026 at 5:13 AM
astroarxiv.bsky.social
Deep Submillimeter and Radio Observations in the SSA22 Field. III. Multiwavelength Identifications and Properties of the 850 $μ$m-selected Submillimeter Galaxies. Xin Zeng et. al. https://arxiv.org/abs/2601.11215
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February 13, 2026 at 5:12 AM
astroarxiv.bsky.social
Deep Submillimeter and Radio Observations in the SSA22 Field. IV. Spectral Energy Distributions, Star Formation Histories, and the Infrared-Radio Correlation of the 850 $μ$m-selected SMGs. Xin Zeng et. al. https://arxiv.org/abs/2601.11174
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February 13, 2026 at 5:11 AM
astroarxiv.bsky.social
Are NICER and GW170817 constraints suggesting a compactified scenario for Neutron stars?. Asim Kumar Saha et. al. https://arxiv.org/abs/2512.24729
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February 13, 2026 at 5:11 AM
astroarxiv.bsky.social
Gravitational wave oscillations in Multi-Proca dark energy models. Gabriel Gomez et. al. https://arxiv.org/abs/2512.17088
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February 13, 2026 at 5:10 AM
astroarxiv.bsky.social
On the Origin of Kinematic Structure in the Young Association Serpens OB2. Michael A. Kuhn (1) et. al. https://arxiv.org/abs/2512.16708
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February 13, 2026 at 5:09 AM
astroarxiv.bsky.social
N-emitters as possible sign-posts of GC formation. D. Schaerer et. al. https://arxiv.org/abs/2512.16549
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February 13, 2026 at 5:08 AM
astroarxiv.bsky.social
Fastest or Significant: A Systematic Framework for Validating Global Minimum Variability Timescale Measurements of Gamma-ray Bursts. S. Bala et. al. https://arxiv.org/abs/2512.16204
Figure 1 , identical to Figure~ {fig:gaussian_mvt_vs_amp $ {SNR $ {SNR
February 13, 2026 at 5:08 AM
astroarxiv.bsky.social
Structural Limitations on Constraining the Time Evolution of Dark Energy. Seokcheon Lee https://arxiv.org/abs/2512.14747
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February 13, 2026 at 5:07 AM
astroarxiv.bsky.social
Kinematic Reconstruction of $Λ(t)$CDM Models. P. A. S. Guillen et. al. https://arxiv.org/abs/2512.14578
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February 13, 2026 at 5:06 AM
astroarxiv.bsky.social
The Astrometric Resoeccentric Degeneracy: Eccentric Single Planets Mimic 2:1 Resonant Planet Pairs in Astrometry. Daniel A. Yahalomi et. al. https://arxiv.org/abs/2512.02007
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February 13, 2026 at 5:05 AM
astroarxiv.bsky.social
Characterizing the Post-Red Supergiant binary system AFGL 4106 and its complex nebula with SPHERE/VLT. G. Tomassini et. al. https://arxiv.org/abs/2512.01543
Figure 1 Zoomed-in view of intensity contours of AFGL 4106 nebula in J band is shown in Figure~ {fig:contour Figure 3 HR diagram of two components of AFGL 4106 at 3.19 kpc. Evolutionary tracks are from {Ekstrom2012
February 13, 2026 at 5:05 AM