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

You can now search our database of interstellar updates and find items of interest to you.

May 23, 2022 Updates

Intergalactic Travel With MOND Rockets

The 2821 Star Southern Hemisphere Optical SETI Survey: An Archival
Search for Candidate Laser Signals in ESO’s HARPS Spectroscope Database

Internal structures and magnetic moments of rocky planets
Application to the first exoplanets discovered by TESS

Do tides destabilize Trojan exoplanets?

The unpopular Package: A Data-driven Approach to Detrending TESS Full-frame Image Light Curves

Earth as a Proxy Exoplanet: Simulating DSCOVR/EPIC Observations Using the Earth Spectrum Simulator

The Detection of Transiting Exoplanets by Gaia

A giant planet shaping the disk around the very low mass star CIDA 1

Intermediate Points for Missions to Interstellar Objects Using Optimum Interplanetary Trajectory Software

May 20, 2022 updates

Internal structures and magnetic moments of rocky planets – Application to the first exoplanets discovered by TESS

Extraterrestrial artificial photosynthesis

Alien suns reversing in exoplanet skies

A general stability-driven approach for the refinement of multi-planet systems

A CHEOPS Search for Massive, Long-Period Companions to the Warm Jupiter K2-139 b

Pandora: A fast open-source exomoon transit detection algorithm

The TESS Grand Unified Hot Jupiter Survey. I. Ten TESS Planets

May 19, 2022 Updates

Detection of CO emission lines in the dayside atmospheres of WASP-33b and WASP-189b with GIANO

Periodic orbits in the 1:2:3 resonant chain and their impact on the orbital dynamics of the Kepler-51 planetary system

A Multiplanet System’s Sole Super-puff: Exploring Allowable Physical Parameters for the Cold Super-puff HIP 41378 f

Engineers Investigating NASA’s Voyager 1 Telemetry Data

Weak evidence for variable occultation depth of 55 Cnc e with TESS

Internet of Spacecraft for Multi-planetary Defense and Prosperity

Space Weather-driven Variations in Lyα Absorption Signatures of Exoplanet Atmospheric Escape: MHD Simulations and the Case of AU Mic b

HD 28109 hosts a trio of transiting Neptunian planets including a near-resonant pair, confirmed by ASTEP from Antarctica

May 18, 2022 updates

The Near-Infrared Spectrograph (NIRSpec) on the James Webb Space Telescope – IV. Capabilities and predicted performance for exoplanet characterization

Origins of Chiral Life in Interstellar Molecular Clouds

Development of a rotational shearing interferometer for detection of (habitable) exoplanets

The Futility of Exoplanet Biosignatures

Impact of Economic Constraints on the Projected Timeframe for Human-Crewed Deep Space Exploration

The Great Planetary Heist: Theft and capture in star-forming regions

May 17, 2022 updates

AbSciCon 2022: From Stars to Cells

Nexus for Exoplanet System Science

Network for Life Detection

Request for Information: Early Cells to Multicellularity

Searching for the origin of the Ehrenreich effect in ultra-hot Jupiters – Evidence for strong C/O gradients in the atmosphere of WASP-76 b?

HD 83443c: A Highly Eccentric Giant Planet on a 22 yr Orbit

Water UV-shielding in the Terrestrial Planet-forming Zone: Implications from Water Emission

Resolving the Multiplicity of Exoplanet Host Stars in Gemini/NIRI Data

To Sample or Not To Sample: Retrieving Exoplanetary Spectra with Variational Inference and Normalising Flows

Transfer of Rocks between Planetary Systems: Panspermia Revisited

The Visual Survey Group: A Decade of Hunting Exoplanets and Unusual Stellar Events with Space-Based Telescopes

Patchy nightside clouds on ultra-hot Jupiters: General Circulation Model simulations with radiatively active cloud tracers

Five key exoplanet questions answered via the analysis of 25 hot Jupiter atmospheres in eclipse

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