Exoplanets & Planetary Science
Research on exoplanets, planetary formation, and habitability.
astro-ph.EP · 210 papersChemistry and Isotope Ratios of Substellar Atmospheres in the $β$ Pictoris Young Moving Group
Atmospheric retrieval of a planetary-mass companion in $β$ Pictoris YMG reveals solar-like abundances, supporting gravitational collapse formation.
A Coordinate System for Dynamical Instabilities in Hierarchical Systems in REBOUND
A new coordinate system for REBOUND's TRACE integrator significantly improves accuracy and speed for simulating wide binary systems and hierarchical instabilities.
The Rocky Planet Picture Show: Implementation of Surface Reflection and Emission in $\texttt{POSEIDON}$ with Application to and Interpretation of JWST Data
New POSEIDON features enable rocky exoplanet surface characterization using JWST data, revealing atmospheric and geological insights.
ExoplaNeT accRetion mOnitoring sPectroscopic surveY (ENTROPY) III. Optical He I line profiles of the accreting super Jupiter Delorme 1 (AB)b
This study uses VLT/UVES spectra to analyze He I emission lines from the accreting super-Jupiter Delorme 1 (AB)b, revealing its accretion geometry.
Smaller Than Earth Habitability Model (STEHM): The Lower Size Limit for Atmosphere Retention in the Habitable Zone
A new model (STEHM) determines that rocky planets must be at least 0.8 Earth radii to retain atmospheres long-term in the habitable zone.
Confirmation of Fe I on MASCARA-5 b's Dayside Observed With EXPRES
New EXPRES observations confirm iron (Fe I) on the dayside of ultra-hot Jupiter MASCARA-5 b, revealing a strong thermal inversion and potential winds.
The dark and featureless surface of rocky exoplanet LHS 3844 b from JWST mid-infrared spectroscopy
JWST reveals rocky exoplanet LHS 3844 b has a dark, low-silica, space-weathered surface with no significant volcanic gases.
The Influences of Hydrogen-Silicate-Iron Miscibility on the Demographics of Sub-Neptunes and Super-Earths
Hydrogen-silicate-iron miscibility, combined with atmospheric escape, explains the observed demographics and core structures of sub-Neptunes and super-Earths.
Asteroseismic modelling of main-sequence solar-like stars and Kepler exoplanet host stars with the FICO procedure I. Catalogue of fundamental stellar properties
The FICO procedure precisely models 95 solar-like and exoplanet host stars, achieving high accuracy and outperforming direct fitting for higher-mass stars.
Probing dust properties through polarized scattered-light images of a sample of ring-shaped protoplanetary disks
This study uses VLT/SPHERE polarized light images and the DRAGyS tool to characterize dust properties in 30 ring-shaped protoplanetary disks.
Thermal instability and rocky planetesimal formation in the inner regions of protoplanetary disks
Thermal instability in protoplanetary disks drives cyclic MRI, causing dust self-accumulation and rocky planetesimal formation in the inner disk.
The Solar System Notification Alert Processing System (SNAPS): Public access to SNAPS data and products
SNAPS provides public access to ZTF and LSST moving object data, acting as a broker for solar system alerts.
Formation and Trapping of CO2 from Cryogenic Irradiation of Carbonate
Lab experiments show cryogenic electron irradiation of carbonates produces and traps CO2 with spectral features matching Europa, suggesting an endogenous source.
Searching for GEMS: Three warm Saturns and a super-Jupiter orbiting four early M-dwarfs
The GEMS survey confirmed four new giant exoplanets, including three warm Saturns and a super-Jupiter, orbiting early M-dwarfs, showing diverse outcomes.
The effect of spectral resolution on biosignature detection via reflected light observations of the Earth through time
This paper evaluates the optimal spectral resolution for NASA's HWO to detect biosignatures and habitability indicators on exoplanets across Earth's atmospheric history.
The tale of the 3 planets: 3D cloud feedback enhances the spectral diversity of warm Jupiters
3D cloud feedback, coupled with atmospheric circulation and radiation, explains the spectral diversity of warm Jupiters, with gravity playing a key role.
Oxygen and nitrogen isotopologues on cold COCONUTS-2b observed with MIRI/MRS
JWST MIRI/MRS observed oxygen and nitrogen isotopologues in the cold gas giant COCONUTS-2b, enabling detailed atmospheric characterization.
The Influence of the Fractal Dimension on Dust Evolution in Protoplanetary Disks
This study reveals how the fractal dimension of porous dust aggregates significantly impacts dust evolution and maximum particle mass in protoplanetary disks.
SPHEREx Ultracool Dwarf spectral Atlas (SUDA): Atmospheric and Fundamental Parameters of Ultracool Dwarfs
SUDA presents a new spectral atlas of 1675 ultracool dwarfs, deriving atmospheric and fundamental parameters and revealing spectral trends.
Shape and spin axis determination of the Tianwen-2 target asteroid (469219) Kamo'oalewa from lightcurve inversion
This paper determines the shape and spin axis of asteroid Kamo'oalewa, a Tianwen-2 target, using lightcurve inversion.
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