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AstroArxiv
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astroarxiv.bsky.social
Dynamic Accretion Disk-Corona Connection and Broad Fe K$α$ Variability in Mrk 766 Revealed by Time-Resolved High Resolution X-Ray Spectroscopic Analysis. Ayon Mondal (University of Maryland Baltimore County et. al. https://arxiv.org/abs/2609.16151
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September 18, 2026 at 4:50 AM
astroarxiv.bsky.social
Alpha-Core Breakup in the Strong Decay of \({}_{ΛΛ}^{6}\mathrm{He}\) to a Deeply Bound \(H\) Dibaryon. Mahboubeh Shahrbaf et. al. https://arxiv.org/abs/2609.17117
The intact-$ $ lifetime (orange dashed curve) is obtained by interpolating the benchmark results of Ref.~ {Gal2024
September 18, 2026 at 4:49 AM
astroarxiv.bsky.social
Quasinormal modes of Kerr-Newman-de Sitter black holes from Heun connection formulae. Hideo Furugori et. al. https://arxiv.org/abs/2609.17471
September 18, 2026 at 4:48 AM
astroarxiv.bsky.social
Observationally Reconstructed Spacetime of NGC 5907: Dark-Matter-Corrected Black Hole Thermodynamics and Galactic Shadow. Aritra Sanyal Farook Rahaman https://arxiv.org/abs/2609.17570
WISE W1 ($3.4\, $m) image of NGC\,5907 with the theoretical shadow boundaries overlaid. The {cyan dashed Figure 2 Figure 3 Figure 4
September 18, 2026 at 4:47 AM
astroarxiv.bsky.social
Gravitating sources with zero energy density in cosmology. Özgür Akarsu et. al. https://arxiv.org/abs/2609.17604
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September 18, 2026 at 4:47 AM
astroarxiv.bsky.social
Proper Time Shifts in Pulsar Timing Arrays. Vincent S. H. Lee https://arxiv.org/abs/2609.17668
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September 18, 2026 at 4:46 AM
astroarxiv.bsky.social
WIMPs with Enhanced Annihilation from a Feebly Interacting Unstable Partner. Chance Hoskinson et. al. https://arxiv.org/abs/2609.17672
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September 18, 2026 at 4:45 AM
astroarxiv.bsky.social
Massively parallel transdimensional sampling with data assimilation: an application to LISA galactic binaries. Gabriele Demasi et. al. https://arxiv.org/abs/2609.17674
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September 18, 2026 at 4:44 AM
astroarxiv.bsky.social
Environmental qualification and performance of a CubeSat-scale dual optical frequency comb payload for space applications. Stephanie D. Leifer et. al. https://arxiv.org/abs/2609.17976
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September 18, 2026 at 4:44 AM
astroarxiv.bsky.social
Gravitational lensing of neutrinos through the lens of decoherence. Bikash Kumar Acharya et. al. https://arxiv.org/abs/2609.18202
Sky distribution of the stochastic lensing flavour displacement constructed using the Planck-SZ catalogue as a phenomenological tracer of foreground lensing environments. The top left panel shows the normalized Planck-SZ foreground structure proxy $W_{ Source $(1: 2: 0)$ $E_{ $E_{
September 18, 2026 at 4:43 AM
astroarxiv.bsky.social
Probing Feebly Interacting Particles with 511 keV Line from Circumstellar Medium of Supernovae. Yu Cheng et. al. https://arxiv.org/abs/2609.18247
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September 18, 2026 at 4:42 AM
astroarxiv.bsky.social
Probing Lorentz-violating scalar forces and dark matter with precision matter and antimatter experiments. Yevgeny V. Stadnik https://arxiv.org/abs/2609.18263
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September 18, 2026 at 4:41 AM
astroarxiv.bsky.social
Searching for gravitational wave echo with group equivariant neural posterior estimation. Jian-Wei Luo et. al. https://arxiv.org/abs/2609.18337
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September 18, 2026 at 4:41 AM
astroarxiv.bsky.social
Reheating Bounds from Thermal GUT Monopole Production. Donald Liveoak et. al. https://arxiv.org/abs/2609.18596
Experimental and DM bounds on monopole abundance as a function of the monopole mass $m_M$ and the normalized initial monopole density $ $, for various values of the monopole velocity $v$ and overdensity $ $. Parker and DM bounds on monopole abundance as a function of the monopole mass $m_M$ and the normalized initial monopole density $ $, for various values of the monopole velocity $v_M$ and overdensity $ $. Parker and DM bounds on monopole abundance as a function of the monopole mass $m_M$ and the normalized reheating temperature $ $, for various values of the monopole velocity $v_M$ and overdensity $ $. Experimental and DM bounds on monopole abundance as a function of the monopole mass $m_M$ and the normalized reheating temperature $ $, for various values of the monopole velocity $v$ and overdensity $ $.
September 18, 2026 at 4:40 AM
astroarxiv.bsky.social
Shadow and Polarized Images of Schwarzschild-MOG Black Hole Illuminated by Thick Accretion Disk. Cheng Hu et. al. https://arxiv.org/abs/2609.18606
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September 18, 2026 at 4:39 AM
astroarxiv.bsky.social
After 60 years, here comes the Sun. Anatael Cabrera et. al. https://arxiv.org/abs/2609.18799
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September 18, 2026 at 4:38 AM
astroarxiv.bsky.social
Period-Inverted Blast-Radius Normalization for a Non-Ablating Hypersonic Reentry Source Using OSIRIS-REx Capsule Infrasound. Elizabeth A. Silber https://arxiv.org/abs/2609.19141
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September 18, 2026 at 4:38 AM
astroarxiv.bsky.social
FOSSIL: A future mission for CMB spectral distortion measurements. N. Aghanim et. al. https://arxiv.org/abs/2609.17618
Figure 1 Principle of the scanning strategy. {Left Figure 3 Figure 4
September 18, 2026 at 4:37 AM
astroarxiv.bsky.social
IViS: Interferometric Visibility-domain inversion Software - A GPU-accelerated Python framework for joint deconvolution with ASKAP. A. Marchal et. al. https://arxiv.org/abs/2609.17636
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September 18, 2026 at 4:37 AM
astroarxiv.bsky.social
Rethinking Domain Specialization for Open-Ended Scientific Reasoning in Astronomy Language Models. Vanessa Lama et. al. https://arxiv.org/abs/2609.17644
Figure 1 Representative 2026 free-response examples illustrating text-only and image-linked benchmark records. Representative 2026 free-response examples illustrating text-only and image-linked benchmark records. Figure 4
September 18, 2026 at 4:36 AM
astroarxiv.bsky.social
The OpenGadget3 Code for Cosmological Simulations. Klaus Dolag et. al. https://arxiv.org/abs/2609.17658
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September 18, 2026 at 4:35 AM
astroarxiv.bsky.social
1D PIC Simulations of Resonant Scattering-Driven Pair Cascades in Magnetar Magnetospheres. Jens F. Mahlmann (1) et. al. https://arxiv.org/abs/2609.17661
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September 18, 2026 at 4:34 AM
astroarxiv.bsky.social
The relationship between morphology, density, and location in the cosmic web from massive to dwarf galaxies. Ilin Lazar et. al. https://arxiv.org/abs/2609.17662
Figure 1 Figure 2 Examples of galaxies classified as compact (top row) by the visual inspection and those that are unclassifiable (bottom row). Galaxy images are taken from the {HST An example density map at $z .2$ with ETGs (red) and LTGs (blue) labelled on top. { {red
September 18, 2026 at 4:33 AM
astroarxiv.bsky.social
Unifying spatial correlation with hierarchical population inference to constrain the AGN channel for binary black hole mergers. Lucas Pouw et. al. https://arxiv.org/abs/2609.17665
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September 18, 2026 at 4:33 AM
astroarxiv.bsky.social
On the clumpy nature of super-early galaxies. A. Ferrara et. al. https://arxiv.org/abs/2609.17667
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September 18, 2026 at 4:32 AM