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

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January 20, 2023 updates

Chasing nomadic worlds: Opening up the space between the stars

Finding order in planetary architectures

The Dynamics of Interstellar Laser Sails

Fast Transit Interstellar Probe Mission with Extreme Solar Sailing

A Distributed Architecture to Accomplish the Solar Gravity Lens Mission

Warp Factory: A Numerical Toolkit for the Analysis and Optimization of Warp Drive Geometries

The Mantis network – A standard grid of templates and masks for cross-correlation analyses of ultra-hot Jupiter transmission spectra

Removing biases on the density of sub-Neptunes characterised via transit timing variations – Update on the mass-radius relationship of 34 Kepler planets

Binary microlensing with plasma environment – Star and planet

Detection of Atmospheric Escape from Four Young Mini-Neptunes

A Green Bank Telescope Search for Narrowband Technosignatures between 1.1 and 1.9 GHz During 12 Kepler Planetary Transits

TESS-Keck Survey. XIV. Two Giant Exoplanets from the Distant Giants Survey

The Three Regimes of Atmospheric Evaporation for Super-Earths and Sub-Neptunes

Water Worlds in the Solar System: Exploring Prospects of Extraterrestrial Habitability & Life

Planet Search with the Keck/NIRC2 Vortex Coronagraph in Ms-band for Vega

The geometric albedo of the hot Jupiter HD 187933b measured with CHEOPS

Biosignature Line Ratios of [P II] in Exoplanetary and Nebular Environments

Characterization of a set of small planets with TESS and CHEOPS and an analysis of photometric performance

A broadband thermal emission spectrum of the ultra-hot Jupiter WASP-18b

Inferring the rate of technosignatures from sixty years of nondetection

January 19, 2023 Updates

The Giant Accreting Protoplanet Survey (GAPlanetS): Optimization Techniques for Robust Detections of Protoplanets

Revisiting mass-radius relationships for exoplanet populations: a machine learning insight

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems: Best Practices for Data Collection in Cycle 2 and Beyond

On computing viscoelastic Love numbers for general planetary models: the \texttt{ALMA3} code

Hint of an exocomet transit in the CHEOPS lightcurve of HD 172555

Imaging faint sources with the extended solar gravitational lens

January 18, 2023 updates

DREAM – I. Orbital architecture orrery

Low-rank plus sparse trajectory decomposition for direct exoplanet imaging

Polarized Signatures of a Habitable World: Comparing Models of an Exoplanet Earth with Visible and Near-infrared Earthshine Spectra

A First Look at the JWST MIRI/LRS Phase Curve of WASP-43b

Neural posterior estimation for exoplanetary atmospheric retrieval

KMT-2022-BLG-0440Lb: A New q<10−4 Microlensing Planet with the Central-Resonant Caustic Degeneracy Broken

GJ 806 (TOI-4481): A bright nearby multi-planetary system with a transiting hot, low-density super-Earth h

The Breakthrough Listen Search for Intelligent Life: A Laser Search Pipeline for the Automated Planet Finder

January 16, 2023 Updates

An analysis of interstellar exploration focused on propulsion technologies

The W&T Realpolitik Scenario and Contact With Extraterrestrial Intelligence: A Reply to Wright et al.

Multiverse Predictions for Habitability: Origin of Life Scenarios

Supernovae may create interstellar meteorites

The smallest planetary drivers of white dwarf pollution

Lifting the Veil: Alien planets are shrouded in hazes that hide clues to their makeup. Lab experiments could help clear the view

A Mixed Stirring Mechanism for Debris Discs with Giant and Dwarf Planetary Perturbations

Leaky Dust Traps: How Fragmentation impacts Dust Filtering by Planets