Interstellar Updates

 

These are items of interest to the interstellar exploration community that we’ve found in our quest for information that will help us advance toward our goals.  If you know of anything we’ve overlooked, or any sources of such information we should monitor, or if you would like to be added to our IRG-updates mailing list and receive these updates in you email every weekday, please send that information to info@irg.space.

You can now search our database of interstellar updates and find items of interest to you.

May 30, 2025 updates

Capture and Escape of Planetary Mean-motion Resonances in Turbulent Discs
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf867/8152801

The shaping of terrestrial planets by late accretions
https://link.springer.com/article/10.1038/s41586-025-08970-8

Connecting Planetary Composition with Formation: a New Paradigm Emerges
https://arxiv.org/abs/2505.22724

Origin of compact exoplanetary systems during disk infall
https://arxiv.org/abs/2505.22806

A Terminology and Quantitative Framework for Assessing the Habitability of Solar System and Extraterrestrial Worlds
https://arxiv.org/abs/2505.22808

MOA-2022-BLG-091Lb and KMT-2024-BLG-1209Lb: Microlensing planets detected through weak caustic-crossing signals
https://arxiv.org/abs/2505.22951

The Narrow Formation Pathway of Hot Saturns: Constraints on Initial Planetary Properties
https://arxiv.org/abs/2505.23148

Detecting Atmospheric CO2 Trends as Population-Level Signatures for Long-Term Stable Water Oceans and Biotic Activity on Temperate Terrestrial Exoplanets
https://arxiv.org/abs/2505.23230

Is Ozone a Reliable Proxy for Molecular Oxygen? II. The impact of NO on the O-O relationship for Earth-like atmospheres
https://arxiv.org/abs/2505.23279

May 29, 2025 updates

A Human Community on Earth and Beyond: Revisiting the Rationale for Human Spaceflight in the Context of Autonomous Artificial Systems
https://www.proquest.com/openview/bbb88ff885624c7e778e3ab1e8ea8a3e

General Analytic Solutions for Circumplanetary Disks during the Late Stages of Giant Planet Formation
https://iopscience.iop.org/article/10.1088/1538-3873/adcf57

The Gaia spectroscopic catalogue of exoplanets and host stars
https://arxiv.org/abs/2505.22205

Exocomets of β Pictoris I: Exocomet destruction, sodium and disk line variability in 17 years of HARPS observations
https://arxiv.org/abs/2505.21625

Hot Rocks Survey III: A deep eclipse for LHS 1140c and a new Gaussian process method to account for correlated noise in individual pixels
https://arxiv.org/abs/2505.22186

Solar C/O ratio in planet-forming gas at 1 au in a highly irradiated disk
https://arxiv.org/abs/2505.22314

May 28, 2025 updates

QHF – Quantitative Habitability Framework
https://zenodo.org/records/15420506

Kinetic Modeling of Non-Thermal Processes in the Upper Atmosphere of Sub-Neptune π Men c
https://link.springer.com/article/10.1134/S1990341324600674

Feasibility of interferometric observations and characterization of planet-induced structures at sub au to au scales in protoplanetary disks
https://www.aanda.org/articles/aa/full_html/2025/06/aa52153-24/aa52153-24.html

Characterizing the Radiative–Convective Structure of Dense Rocky Planet Atmospheres
https://iopscience.iop.org/article/10.3847/PSJ/adcd5f

Continuous Habitable Zone Metric for Prioritizing Habitable Worlds Observatory Targets
https://arxiv.org/abs/2505.20558

Ten Aligned Orbits: Planet Migration in the Era of JWST and Ariel
https://arxiv.org/abs/2505.20516

Semi-analytical model for the dynamical evolution of planetary systems via giant impacts
https://arxiv.org/abs/2505.20548

Multiverse Predictions for Habitability: The Habitability of Exotic Environments
https://arxiv.org/abs/2505.20557

Continuous helium absorption from the leading and trailing tails of WASP-107b
https://arxiv.org/abs/2505.20588

The James Webb Space Telescope NIRSpec-PRISM Transmission Spectrum of the Super-Puff, Kepler-51d
https://arxiv.org/abs/2505.21358

May 27, 2025 updates

The discovery of exoplanets: towards understanding planet formation
https://link.springer.com/article/10.1007/s12210-025-01335-3

Very-wide-orbit planets from dynamical instabilities during the stellar birth cluster phase
https://link.springer.com/article/10.1038/s41550-025-02556-0

Searching for Traces of Exoplanet Atmospheres Using Multicolor Photometric Observations of Transits
https://link.springer.com/article/10.1134/S1990341325600061

An MHD-based model for wind-driven disc-planet interactions
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf805/8142536

Ground to Dust: Collisional Cascades and the Fate of Kardashev II Megaswarms
https://iopscience.iop.org/article/10.3847/1538-4357/adccc5

Characterizing the Radiative–Convective Structure of Dense Rocky Planet Atmospheres
https://iopscience.iop.org/article/10.3847/PSJ/adcd5f

The Spin Zone: Synchronously and Asynchronously Rotating Land Planets Have Spectral Differences in Transmission
https://iopscience.iop.org/article/10.3847/PSJ/adcea9

Cloud and Haze Parameterization in Atmospheric Retrievals: Insights from Titan’s Cassini Data and JWST Observations of Hot Jupiters
https://arxiv.org/abs/2505.18715

Orbital Decay of the Shortest-Period Hot Jupiter, TOI-2109b: Tidal Constraints and Transit-Timing Analysis
https://arxiv.org/abs/2505.18941

EBLM XV — Revised dynamical masses for the circumbinary planet host Kepler-16 AB, using the SOPHIE spectrograph
https://arxiv.org/abs/2505.19718

Cold Jupiters and small planets: friends, foes, or indifferent? A search for correlations with the largest exoplanet samples
https://arxiv.org/abs/2505.20035

May 26, 2025 Updates

Unraveling the origin of giant exoplanets — Observational implications of convective mixing
https://www.aanda.org/articles/aa/full_html/2025/06/aa54506-25/aa54506-25.html

The state of hybrid artificial intelligence for interstellar missions
https://www.sciencedirect.com/science/article/pii/S0376042125000260

Effects of Planetary Parameters on Disequilibrium Chemistry in Irradiated Planetary Atmospheres: From Gas Giants to Sub-Neptunes
https://iopscience.iop.org/article/10.3847/1538-4357/adc7b3

Far-ultraviolet flares and variability of the young M dwarf AU Mic: a non-detection of planet c in transit at Lyman-alpha
https://arxiv.org/abs/2505.17197

Grand Theft Moons. Formation of habitable moons around giant planets
https://arxiv.org/abs/2505.18144