SN 2023fyq is the first Type Ibn supernova with a directly detected hot luminous progenitor consistent with a low-mass helium star in a binary system, based on pre-explosion imaging, disappearance confirmation, and multi-wavelength environmental analysis.
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Exact analytic relations express M, α, D (and a) of Schwarzschild-MOG and Kerr-MOG black holes directly in terms of accretion-disk frequency shift, aperture angle, and redshift rapidity (plus acceleration in the rotating case).
Extending to wCDM mainly suppresses the leading Planck Fisher eigenvalue to 2.7% of its LambdaCDM value with only modest eigenmode rotation, while late-time data adds curvature that limits tension relief.
Multi-wavelength timing analysis of an X-class flare reveals temperature-dependent phase drifting in 5-minute QPPs, interpreted as evidence for periodic magnetic reconnection triggered by lower-atmosphere oscillations.
TSseek approximates time series as line segments and regex queries as bounding rectangles, then uses a distributed spatial index (TSseek-X) to support efficient exact whole-matching and subsequence-matching queries.
The quiet-Sun temperature ratio R≈2.4 equals the KL-divergence difference between a κ=2.5 distribution and its EUV and radio Maxwellian projections, satisfying ΔD_KL = (3/2)[R0 − ln R0 − 1] = (3/2) d_IS(T_eff, T_core).
Stacking Fermi-LAT data from 21 blazars aligned to their jet directions detects anisotropic extended emission consistent with pair halos produced by a 2.8 x 10^{-16} G intergalactic magnetic field at 3.8 sigma.
Visibility modulations from additional photon rings appear only in spherical boson stars at restricted inclinations, while rotating cases show incomplete rings.
MHD models predict that above 10 keV the solar magnetic field collimates plasma into high-latitude lobes, producing a factor of ~2 ENA enhancement at 80 keV that IMAP can detect.
Sulphur abundances decrease above 150 G in coronal loops, indicating FIP fractionation is modulated by mean magnetic field strength.
Symbolic emulators approximate key Lambda CDM functions to 0.001-0.05% accuracy across relevant redshifts and Omega_m values, enabling faster 3x2pt inference with consistent results.
Multi-wavelength observations of NGC 3351 provide evidence that the stellar bar redistributes molecular gas inward, depleting it along the bar and suppressing star formation while building a central reservoir.
EHT angular diameter data yield upper bounds on the holonomy correction b (e.g., b ≤ 0.1319M at a=0 for M87*) showing nonzero b remains consistent with observations for RHCBH spacetimes.
REBOUNDx now includes interoperable modules implementing standard binary evolution physics including RLOF, CE drag, winds, magnetic braking, and post-Newtonian corrections.
Reviews direct imaging of protoplanets and proposes deriving observational estimates of planet mass-to-radius ratio to test formation models, highlighting ELT capabilities.
The spokes are modeled as a two-component system of persistent diamagnetic pyrolytic carbon and transient diamagnetic ice grains whose visibility and dynamics are controlled by electromagnetic interactions with Saturn's magnetosphere and solar elevation.
Numerical and analytical modeling of cosmic-ray transport attributes the long-term variation in the AMS-observed proton-to-helium ratio below 3 GV to mass-to-charge dependence in the heliospheric diffusion coefficient.
Observational evidence points to the chromosphere as the site of chemical fractionation responsible for the FIP effect in the solar corona.
The review identifies and discusses key unsolved problems in planetary nebulae such as 3D morphology, multipolar origins, dust distribution, binarity, and the abundance discrepancy, along with suggested future directions.
The Bern Model has incorporated MHD disk evolution, pebble accretion, and improved interiors, yielding quantitative matches to exoplanet mass functions, radius distributions, and system architectures.
The paper reviews physical processes, modeling techniques, retrieval methods, and observational strategies for characterizing exoplanet atmospheres, emphasizing Swiss research progress.
citing papers explorer
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Symbolic Emulators for Cosmology: Accelerating Cosmological Analyses Without Sacrificing Precision
Symbolic emulators approximate key Lambda CDM functions to 0.001-0.05% accuracy across relevant redshifts and Omega_m values, enabling faster 3x2pt inference with consistent results.
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The Two-component Model of the 'spokes' in Saturn's Rings
The spokes are modeled as a two-component system of persistent diamagnetic pyrolytic carbon and transient diamagnetic ice grains whose visibility and dynamics are controlled by electromagnetic interactions with Saturn's magnetosphere and solar elevation.