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.

July 9, 2026 Updates

Climates of temperate rocky planets with He-dominated atmospheres
https://arxiv.org/abs/2607.06857

Exoplanet Detection Using Adaptive Quantum-Optimal Measurement
https://arxiv.org/abs/2607.06931

Radio emission from close-in exoplanets: Can we extend the radio-magnetic scaling law to the sub-Alfvénic stellar wind regime?
https://arxiv.org/abs/2607.07704

“Perfect” spectra for ESO’s HARPS spectrograph
https://arxiv.org/abs/2607.06809

Mitigating Charge Migration in JWST NIRISS Reveals That KELT-7 b is a Metal-enriched Ultra-hot Jupiter Orbiting a Young Metal-rich Star
https://arxiv.org/abs/2607.06708

Decolonizing technosignatures: Reimagining technosignatures through an Indigenist lens
https://arxiv.org/abs/2607.07592

July 8, 2026 Updates

DebrisWatch II: Digging Deeper for Geosynchronous Debris
https://link.springer.com/article/10.1007/s40295-026-00602-1

Assessing the Impact of Varying HSO Cross Sections on Photochemical Models: Implications for the Spectral Characterization of Terrestrial Exoplanets
https://arxiv.org/abs/2607.04275

Atmospheric characterization of six ultra-hot Jupiters from K-band high-resolution spectroscopy
https://arxiv.org/abs/2607.03992

Evidence for an Atmosphere on the Ultra-Short Period super-Earth HD 3167 b
https://arxiv.org/abs/2604.11911

Planetary-Mass Exosatellite Detected Around the Substellar Companion of a Star
https://arxiv.org/abs/2607.05193

Star Planet Interactions
https://arxiv.org/abs/2607.03874

July 6, 2026 Updates

Aerosols and hydrocarbons in the atmosphere of a white dwarf planet
https://www.nature.com/articles/s41586-026-10514-7

Planet formation in chemically diverse and evolving discs II. Chemical fingerprints in planetary atmospheres
https://arxiv.org/abs/2607.00092

CO snow lines are stabilised by the vertical transport of volatiles
https://arxiv.org/abs/2606.30157

A distant brown dwarf coplanar to a warm Jupiter and a hot super-Earth
https://www.nature.com/articles/s41586-026-10586-5

ASTEP confirmation of a pair of long-period Jupiter-sized planets with extremely low densities transiting TOI-791
https://academic.oup.com/mnras/article/549/4/stag864/8715235

June 3, 2026 Updates

The Dust Mineralogy of Interstellar Comet 3I/ATLAS from JWST/MIRI Observations
https://arxiv.org/abs/2606.27535

Narrowband Radio Technosignature Search toward 3I/ATLAS with FAST
https://arxiv.org/abs/2603.19023

TOI-2155 b: A Massive Brown Dwarf or a Very Low-mass Star?
https://iopscience.iop.org/article/10.3847/1538-3881/ae7370

Hyperspectral imaging reveals early drought stress and associated molecular responses in lettuce for space agriculture
https://www.sciencedirect.com/science/article/pii/S2643651526000609

Nautilus Space Observatory: The Evolution of Planets and their Atmospheres
https://arxiv.org/abs/2606.26214

HWO Target Stars and Systems: Activity and Rotation Catalog (ARC) of Potential Target Stars for the Habitable Worlds Observatory
https://arxiv.org/abs/2605.22618

A Revised Mass and Period for the Habitable Zone super-Earth GJ 3378 b: A Planet Straddling the Cosmic Shoreline
https://iopscience.iop.org/article/10.3847/1538-4357/ae732b

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