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.

August 13, 2026 Updates

High-temperature photovoltaics for solar-electric Oberth maneuvers: ton-class payload feasibility for interstellar-precursor missions
https://arxiv.org/abs/2608.11113

Perspectives on optical frequency comb research: sources, performance, and applications
https://iopscience.iop.org/article/10.1088/1361-6501/ae8b11

TOI-7475 spectroscopic follow up – detection of a massive hot Jupiter on an eccentric orbit
https://arxiv.org/abs/2608.09679

The final design of GMagAO-X: high-contrast imaging at first-light of the GMT
https://arxiv.org/abs/2608.10212

Probing Planet Formation with JWST Spectroscopy of IC 348: Sustained Diversity but Limited Chemical Evolution and Pebble Drift
https://iopscience.iop.org/article/10.3847/1538-4357/ae88eb

August 12, 2026 Updates

On the Utility of Transmission Color Analysis i: Differentiating Super-Earths and Sub-Neptunes
https://iopscience.iop.org/article/10.3847/1538-3881/ac0e2c

Intense but Harmless: Exo-Space Weather Around an M Dwarf with a Single-Hemisphere Dynamo
https://arxiv.org/abs/2608.11087

Toward a unified framework for helium observations and interpretation of atmospheric escape
https://arxiv.org/abs/2608.10707

Detecting Extraterrestrial Civilizations that Employ an Earth-level Deep Space Network
https://iopscience.iop.org/article/10.3847/2041-8213/adf6b0

The First Remotely Detected Biosignature May Not Be the Most Common: Implications for JWST and HWO
https://iopscience.iop.org/article/10.3847/2041-8213/ae84cc

August 6, 2026 Updates

Circular polarization as a probe of cloud properties and asymmetries in giant exoplanet atmospheres
https://arxiv.org/abs/2608.04837

A Formation-Stage Bottleneck for Exomoons around Close-in Rocky Planets
https://arxiv.org/abs/2608.04512

Life 2.0: A Scalable Distributed Space-Telescope Array for Biosignature Spectroscopy
https://arxiv.org/abs/2608.04342

Searching for Habitable Exoplanets with Relative Astrometry (SHERA). I. The Case for Searching for Planets in Binary Star Systems
https://arxiv.org/abs/2608.04250

The Evolutionary Track of H/He Envelopes of the Observed Population of Sub-Neptunes and Super-Earths
https://iopscience.iop.org/article/10.3847/1538-4357/ab9a4d

The Influence of Age on the Relative Frequency of Super-Earths and Sub-Neptunes
https://iopscience.iop.org/article/10.3847/1538-4357/abea9e

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