Astrophysics · Physics & Astronomy
Solar & Stellar Astrophysics
The newest papers in Solar & Stellar Astrophysics that ReadSearch has read, newest first. Each links to its own page, with its authors, date, where it was published and the original.
233 papers, from 16 September 2026 to 5 November 2026: 233 arXiv preprints.
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Newest papers, page 11
A solution to the paradox of youth in the Galactic centre
The supermassive black hole at the Galactic centre, Sgr A*, is surrounded by an S cluster of young stars.The Molecular Circumstellar Environments of Red Supergiants in Galactic Open Clusters
We aim to expand the sample of RSGs with direct measurements of circumstellar gas through millimeter observations of two of the largest coeval RSG populations in the Galaxy: the open clusters RSGC1…Image Fidelity is Not Field Fidelity: Joint Thermodynamic Reconstruction and Error Localization in Neural Tomography
Neural fields for scientific tomography are optimized from 2D images, but the actual quantity of interest is often a latent 3D physical field.Uber-calibration-based Two-level Radial-velocity Zero-point Correction for APOGEE
APOGEE delivers high-resolution, near-infrared spectroscopy and highly precise radial velocities (RVs), with extensive repeat observations spanning more than a decade.Metal-Poor Stars as Metal-Rich Impostors via Planet Engulfment
Planet engulfment leads to planetary mass accretion and angular momentum deposition into the stellar envelope.A Census of Stellar-mass Black Holes in the Milky Way with POPKIN. I. Isolated Black Holes
Gravitational-wave observations have revealed hundreds of stellar-mass black holes, yet only about two dozen are known in the Milky Way, almost all in binaries.JWST Observations of the Metal-poor T Dwarf WISEA J155349.96+693355.2: The First Brown Dwarf Associated with the Gaia-Enceladus Milky Way Substructure
We present JWST NIRSpec and MIRI observations of the metal-poor T dwarf WISEA J155349.96+693355.2.The geometric origin of the thermal eccentricity law
The distribution $f(e)=2e$ is commonly referred to as the `thermal eccentricity distribution' of Keplerian binaries.Saturation Mechanism of Cosmic Ray Streaming Instabilities with a Shell Distribution
Cosmic rays (CRs) drive galactic winds and regulate galaxy growth while contributing to heating the central cooling plasma in dense galaxy clusters, making the nonlinear saturation of the…Collisional excitation of E- and Z-ethanimine to model cold molecular clouds
Ethanimine is a prebiotically relevant complex organic molecule that has been proposed as a key precursor of amino acids in the interstellar medium.Breaking the AGB Color Degeneracy with Variability and H$_2$O: A Consistent Picture of AGB Chemistry, Dust, and the J-Region Across Environments
Resolved asymptotic giant branch (AGB) populations present many observational puzzles.The JWST Proto-PAH project: Aromatic backbones with extensive aliphatic substitution account for both the aromatic and aliphatic emission
We find that the aromatic and aliphatic emission bands in four carbon-rich post-asymptotic giant branch stars with class D emission arise from a single carrier population: extensive aliphatic…PISCES: Physics-Informed Solar-wind Convolutional autoEncoder for Space-weather Anomaly Detection and Early Warning
Space weather early warning depends on detecting solar wind transients in in-situ measurements at the first Sun-Earth Lagrange point (L1), before they reach Earth.A Search For Stellar-mass Black Holes Via Astrometric Microlensing II: 2012-2015 Keck Candidates
The Milky Way is expected to host $\sim$10$^8$ stellar-mass black holes with an uncertain binary fraction.Triggering star formation by free-floating planets
Recently, a population of free-floating planets has been discovered in the Galaxy.Metal-poor Brown Dwarf Kinematics from JWST NIRSpec Spectroscopy
Galactic archaeology relies on stellar kinematics and chemical abundances to identify various stellar populations and associations.NGTS clusters survey - VII. An Enigmatic Short-Period Circumsecondary Disk Candidate in Orion
Young stellar systems provide key insights into the processes governing star/planet formation, often exhibiting complex and evolving photometric variability.Globular cluster candidates uncovered by VVVX and MUSE
The Milky Way has about 220 cataloged globular clusters.PROSWIN: Probabilistic Solar Wind Speed Forecasting Using Deep Distributional Regression From Solar Images
Accurately predicting fast solar wind conditions is challenging, as uncertainties are large and unquantified by traditional single-value prediction models.Spectroscopic Study of the Circularly Polarised Radio Source TYC 2834-1385-1: An Active Binary
Close binaries with active chromospheres have recently been shown to emit circularly polarised radio emission at low frequencies, motivating detailed studies of their orbital properties.