Exoplanets & Planetary Science
Research on exoplanets, planetary formation, and habitability.
astro-ph.EP · 210 papersA very eccentric brown dwarf coplanar to a warm Jupiter and a hot super Earth
Researchers discovered a unique multi-planet system, TOI-201, featuring an eccentric brown dwarf coplanar with a warm Jupiter and a hot super-Earth.
Probabilistic Spectral Reconstruction of Trans-Neptunian Objects from Sparse Photometry: A Framework for Taxonomy, Survey Optimization, and Outlier Detection
A new probabilistic framework reconstructs full near-IR spectra of Trans-Neptunian Objects from sparse photometry, enabling better taxonomy and survey optimization.
Two Exciting High-redshift Galaxy Candidates Turn Out to Be Two Exciting Ultra-cool Brown Dwarfs
Two high-redshift galaxy candidates observed by JWST were reclassified as ultra-cool brown dwarfs, highlighting potential contamination in deep surveys.
The Oort Cloud as a Gravitational Detector for Primordial Black Holes
The Oort Cloud can detect primordial black holes (PBHs) as dark matter, deriving new limits on their abundance using gravitational scattering.
Characterization of the Volatile Properties of 133P/Elst-Pizarro and Other Main-Belt Comets with JWST and Ground-Based Observations
JWST observations of main-belt comet 133P/Elst-Pizarro characterize its water outgassing and volatile depletion, consistent with other MBCs.
Emerging Diversity Among the Main-Belt Comets: Insights from JWST and Ground-Based Observations of 457P/Lemmon-PANSTARRS
JWST observations of main-belt comet 457P/Lemmon-PANSTARRS reveal dust activity but no water, suggesting a new diverse subclass of comets.
Substructures Induced by Dust Drag in Protoplanetary Disks
Simulations show gas-dust interactions, like streaming and vertical shear instabilities, create prominent dust substructures in protoplanetary disks, aiding planetesimal formation.
Simulation of a protoplanetary disk accretion activity due to a collision with a gas stream
3D simulations show how gas stream collisions with protoplanetary disks drive stellar accretion, matching FU Ori observations.
CosmicDancePro -- Measuring LEO satellite's orbital decay and network connectivity implications during solar storms
CosmicDancePro is an open-source tool analyzing LEO satellite orbital decay and network connectivity during solar storms, revealing Starlink's storm responses.
The Sound of the Universe: A Resonant Gravitational Instability Driven by Baryon-Dark Matter Relative Drift
Dark matter-baryon relative drift triggers a resonant gravitational instability, driving sound waves and enhancing baryon density perturbations across cosmic scales.
The circumstellar environment of the young, low-mass dipper star JH 223. Accretion and large-scale magnetic field topology
Multi-technique observations of the very-low-mass dipper star JH 223 confirm the magnetospheric accretion model, explaining its periodic dimming.
The science from asteroid sample return missions
Asteroid sample return missions (Hayabusa, Hayabusa2, OSIRIS-REx) offer pristine materials to study planetary formation, early Earth's water/organics, and hazardous asteroids.
Understanding HWO's Field of Regard and Characterization Requirement Trade Space with a Dynamic Observation Scheduling Algorithm
This study uses a dynamic scheduling algorithm to analyze how the Habitable Worlds Observatory's field of regard and characterization requirements impact its exoplanet yield.
A SPHEREx Pipeline and Spectral Library for Ultracool Dwarfs
A new SPHEREx pipeline and spectral library for ultracool dwarfs are presented, doubling available spectroscopic data and enabling new atmospheric studies.
Toward Inferring the Surface Fluxes of Biosignature Gases on Rocky Exoplanets from Telescope Spectra
This paper introduces a method to infer surface fluxes of biosignature gases from exoplanet spectra, improving life detection beyond atmospheric abundances.
MINDS: Intertwined evolution of dust and gas in large planet-forming disks. A diversity driven by halted pebble drift?
MIRI spectra reveal diverse gas and dust in large planet-forming disks, suggesting halted pebble drift drives inner disk chemistry and silica indicates C/O ratio.
Collisionless Phase Mixing Mimics Diffusive Transport in Radiation Belt Observations
Collisionless phase mixing causes structured radiation belt dynamics to appear as diffusive transport in observations, biasing our understanding.
Turbulent infall onto class 0 disks as cause of CAI brief condensation episode in the solar system
This study proposes that turbulent infall onto early Class 0 disks caused the brief, intense condensation and re-condensation of CAIs in the early solar system.
Properties and Radial Evolution of Solar Wind Turbulence Near Mercury's Orbit
MESSENGER data reveals solar wind turbulence near Mercury's orbit has a stable Alfvenic inertial range but radially evolving kinetic scales, providing new inner heliosphere constraints.
Orbital evolution of highly eccentric bodies embedded in a ringed accretion disc
Highly eccentric prograde bodies in ringed accretion discs are trapped and circularize, forming a population ring, while retrograde bodies migrate inward.
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