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.

September 17, 2026 Updates

Laboratory astrochemistry studies using compact devices based on laser-produced plasma sources of extreme ultraviolet and soft x-rays
https://iopscience.iop.org/article/10.1088/1361-6463/aea33f

WINERED Detects a Strong Atmospheric Outflow on the Sub-Neptune GJ 3090b
https://arxiv.org/abs/2609.14704

Setup and performance of focal-plane characterization benches for high precision astrometry
https://arxiv.org/abs/2609.15682

A Binary Flux Calibrator Reveals the Scientific Potential of Short-integration JWST MIRI Imaging to Directly Detect sub-Jupiter Exoplanets
https://arxiv.org/abs/2609.19133

Detecting transiting exoplanets in simulated PLATO data: A comparison of light curve filter and transit search algorithms
https://arxiv.org/abs/2609.15493

September 16, 2026 Updates

Stellar Ages of M Dwarf Hosts of Temperate Sub-Neptunes
https://arxiv.org/abs/2609.17505

Resolving core-envelope degeneracies in giant planets and sub-Neptunes: Constraining the equivalence in the presence of dilute gradients
https://www.aanda.org/articles/aa/full_html/2026/09/aa60091-26/aa60091-26.html

The JWST weather report: Unravelling the atmospheric variability of isolated worlds using principal component analysis
https://www.aanda.org/articles/aa/full_html/2026/09/aa60109-26/aa60109-26.html

Rescuing Kepler’s False Positives: A Possible Habitable Zone Exoplanet in the Triple Star System KOI-1623
https://arxiv.org/abs/2609.16201

No statistically significant evidence for a correlation between stellar and planetary composition
https://arxiv.org/abs/2609.17159

September 10, 2026 Updates

Probing Ancient Biosignatures: Laser Mass Spectrometric Analysis of the 3.33 Ga Josefsdal Chert Using Laboratory and Space-prototype Instrumentation
https://iopscience.iop.org/article/10.3847/PSJ/ae9839

Interstellar Complex Organic Molecules and Molecular Outflows in NGC 1333 IRAS 4B and 4B’ Observed Using NOEMA
https://arxiv.org/abs/2609.06295

That’s no moon: Exomoon survival and detection limitations
https://arxiv.org/abs/2609.07320

Shaving the Outskirts of Planetary Systems Probed by Roman via Stellar Flybys
https://arxiv.org/abs/2609.06112

The effect of the atmospheric C/O ratio on interiors of hot Jupiters
https://arxiv.org/abs/2609.07278

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