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 23, 2025 updates

Experimental demonstration of a quantum-optimal coronagraph using spatial mode sorters
https://opg.optica.org/optica/fulltext.cfm?uri=optica-12-4-518&id=570325

Percolative sulfide core formation in oxidized planetary bodies
https://www.nature.com/articles/s41467-025-58517-8

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

Asteroseismology of the Ancient Naked-Eye Exoplanet Host Star ν2 Lupi
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf829/8140858

gr8stars I: A homogeneous spectroscopic study of bright FGKM dwarfs and a public library of their high-resolution spectra
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf825/8140870

Unveiling the Atmosphere of the Super-Jupiter HAT-P-14 b with JWST NIRISS and NIRSpec
https://iopscience.iop.org/article/10.3847/1538-3881/adcba7

Formation of Near-surface Atmospheric Inversion and Surface Inversion in Hothouse Climates
https://iopscience.iop.org/article/10.3847/1538-4357/adca3c

Impacts of Tidal Locking on Magnetospheric Energy Input to Exoplanet Atmospheres
https://iopscience.iop.org/article/10.3847/1538-4357/adcec7

Projections of Earth’s technosphere: Scenario modeling, worldbuilding, and overview of remotely detectable technosignatures
https://www.sciencedirect.com/science/article/pii/S0040162525002252

NIRCam yells at cloud: JWST MIRI imaging can directly detect exoplanets of the same temperature, mass, age, and orbital separation as Saturn and Jupiter
https://arxiv.org/abs/2505.15995

Physics-based machine learning for mantle convection simulations
https://arxiv.org/abs/2505.16041

Modern Earth-like Chemical Disequilibrium Biosignatures Are Challenging To Constrain Through Spectroscopic Retrievals
https://arxiv.org/abs/2505.16231

Abiotic Ozone in the Observable Atmospheres of Venus and Venus-like Exoplanets
https://arxiv.org/abs/2505.16543

May 22, 2025 updates

Dying stars give a second wind to exoplanet formation
https://www.nature.com/articles/d41586-025-01445-w

Parameters for Photon Pressure Propulsion to Obtain Relativistic Speeds
https://www.researchgate.net/profile/Sergey-Yurish/publication/391849089_Optics_Photonics_and_Laser_Proceedings_of_the_8th_International_Conference_OPAL%27_2025/links/6829af7bdf0e3f544f552635/Optics-Photonics-and-Laser-Proceedings-of-the-8th-International-Conference-OPAL-2025.pdf

Revisiting the bimodality of galactic habitability in IllustrisTNG
https://arxiv.org/abs/2505.11048

A retrograde planet in a tight binary star system with a white dwarf
https://www.nature.com/articles/s41586-025-09006-x

Long-term evolution of the temperature structure in magnetized protoplanetary disks and its implication for the dichotomy of planetary composition
https://www.aanda.org/articles/aa/full_html/2025/05/aa53362-24/aa53362-24.html

Spirals, rings, and vortices shaped by shadows in protoplanetary disks: from radiative hydrodynamical simulations to observable signatures
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf785/8138670

A Complex Systems Approach to Exoplanet Atmospheric Chemistry: New Prospects for Ruling Out the Possibility of Alien Life As We Know It
https://iopscience.iop.org/article/10.3847/PSJ/adcc27

Open-source High-resolution Exoplanet Atmosphere Retrievals with POSEIDON
https://iopscience.iop.org/article/10.3847/1538-3881/adcac7

Stringent Limits on H3+ Emission from the Hot Jupiters WASP-80b and WASP-69b
https://iopscience.iop.org/article/10.3847/1538-3881/adce76

Discovery of a dwarf planet candidate in an extremely wide orbit: 2017 OF201
https://arxiv.org/abs/2505.15806

May 21, 2025 updates

Determination of Jupiter’s primordial physical state
https://www.nature.com/articles/s41550-025-02512-y

Concerning the possible exomoons around Kepler-1625 b and Kepler-1708 b
https://www.nature.com/articles/s41550-025-02547-1

Magnetic Exoplanets in the Subalvenic Stellar Wind: Collimators of the Interplanetary Magnetic Field
https://link.springer.com/article/10.1134/S0038094624601737

Planet Earth in reflected and polarized light – I. Three-dimensional radiative transfer simulations of realistic surface-atmosphere systems
https://www.aanda.org/articles/aa/full_html/2025/05/aa54167-25/aa54167-25.html

Insights of traversable wormhole geometries under complexity factor and different equations of state in modified gravity
https://www.sciencedirect.com/science/article/abs/pii/S0003491625001575

A Panchromatic Characterization of the Evening and Morning Atmosphere of WASP-107 b: Composition and Cloud Variations, and Insight into the Effect of Stellar Contamination
https://arxiv.org/abs/2505.13602

Effects of Ultraviolet Radiation on Sub-Neptune Exoplanet Hazes Through Laboratory Experiments
https://arxiv.org/abs/2505.13692

CORALIE radial-velocity search for companions around evolved stars (CASCADES) IV: New planetary systems around HD 87816, HD 94890, and HD 102888 and an update on HD 121056
https://arxiv.org/abs/2505.14317

Non-ideal MHD simulations of hot Jupiter atmospheres
https://arxiv.org/abs/2505.14342

A model of magnetised and rotating convection for stellar and planetary interiors
https://arxiv.org/abs/2505.14650

Search for activity in the centimeter band of Solar-type dwarfs with Earth-like planets on the RATAN-600 radio telescope
https://arxiv.org/abs/2303.01791

The role of interior dynamics and differentiation on the surface and atmosphere of lava planets
https://arxiv.org/abs/2308.13614

ExoMiner++: Enhanced Transit Classification and a New Vetting Catalog for 2-Minute TESS Data
https://arxiv.org/abs/2502.09790

May 20, 2025 updates

Unexplained starlight pulses found in optical SETI searches
https://www.sciencedirect.com/science/article/pii/S0094576525002449

HST/WFC3 Constraints on the Abundances of OH and FeH in the Atmosphere of the Ultra-Hot Neptune LTT-9779 b
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf674/8137874

Life after death: Europa in the evolving Habitable Zone of a Red Sun
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf794/8137882

Far-ultraviolet Flares and Variability of the Young M Dwarf AU Mic: A Nondetection of Planet C in Transit at Lyα
https://iopscience.iop.org/article/10.3847/1538-3881/adccc7

OGLE-2016-BLG-1195Lb: A Sub-Neptune Beyond the Snow Line of an M-dwarf Confirmed by Keck Adaptive Optics
https://iopscience.iop.org/article/10.3847/1538-3881/adcec2

The Dynamic Inner Disk of a Planet-forming Star
https://iopscience.iop.org/article/10.3847/1538-3881/adcd68

The influence of passing field stars on the solar system’s dynamical future
https://www.sciencedirect.com/science/article/abs/pii/S0019103525001794

Planet Earth in reflected and polarized light – I. Three-dimensional radiative transfer simulations of realistic surface-atmosphere systems
https://www.aanda.org/articles/aa/full_html/2025/05/aa54167-25/aa54167-25.html

Three-Dimensional Orbital Architectures and Detectability of Adjacent Companions to Hot Jupiters
https://arxiv.org/abs/2505.11637

HST/WFC3 Constraints on the Abundances of OH and FeH in the Atmosphere of the Ultra-Hot Neptune LTT-9779 b
https://arxiv.org/abs/2505.11960

Global flow regimes of hot Jupiters
https://arxiv.org/abs/2505.12111

Dynamical regimes of two eccentric and mutually inclined giant planets
https://arxiv.org/abs/2505.12124

Modelling helium in exoplanet atmospheres. A revised network with photoelectron-driven processes
https://arxiv.org/abs/2505.12148

The NEID Earth Twin Survey. II. Dynamical Masses in Seven High-acceleration Star Systems
https://arxiv.org/abs/2505.12563

Retention of surface water on tidally locked rocky planets in the Venus zone around M dwarfs
https://arxiv.org/abs/2505.13066

A planetary-mass candidate imaged in the Young Suns Exoplanet Survey
https://arxiv.org/abs/2505.13295

Insufficient evidence for DMS and DMDS in the atmosphere of K2-18 b. From a joint analysis of JWST NIRISS, NIRSpec, and MIRI observations
https://arxiv.org/abs/2505.13407

March 19, 2025 Updates

Resonant Outcomes of Interactions of Massive Interstellar Objects with the Solar System
https://link.springer.com/article/10.1134/S0038094624601907

Wormholes in 4D Einstein-Gauss-Bonnet gravity with Bose-Einstein Condensated Dark Matter
https://arxiv.org/abs/2505.08481

A Preliminary Search for Planets and Exozodiacal Emission Around α Centauri A with JWST/MIRI
https://iopscience.iop.org/article/10.3847/2515-5172/add880

Exoplanet Detection with Microlensing
https://arxiv.org/abs/2505.10621

Interior and Climate Modeling of the Venus Zone Planet TOI-2285 b
https://arxiv.org/abs/2505.10647

Stellar Obliquity of the Ultra-Short-Period Planet System HD 93963
https://arxiv.org/abs/2505.10804

Cloudy mornings and clear evenings on a giant extrasolar world
https://arxiv.org/abs/2505.10910

Absence of a Runaway Greenhouse Limit on Lava Planets
https://arxiv.org/abs/2505.11149

Tracing the formation and migration history: molecular signatures in the atmosphere of misaligned hot Jupiter WASP-94Ab using JWST NIRSpec/G395H
https://arxiv.org/abs/2505.11224