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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March 20, 2018 updates

Inward migration of the TRAPPIST-1 planets as inferred from their water-rich compositions

Relativistic Spacecraft Propelled by Directed Energy

A Population Study of Gaseous Exoplanets

Robo-AO Kepler Survey. IV. The Effect of Nearby Stars on 3857 Planetary Candidate Systems

Line shape parameters for the H2O–H2 collision system for application to exoplanet and planetary atmospheres

Characterizing Earth Analogs in Reflected Light: Atmospheric Retrieval Studies for Future Space Telescopes

Magnetic Fields of Extrasolar Planets: Planetary Interiors and Habitability

Dynamical Evolution of Planetary Systems

A Decade of MWC 758 Disk Images: Where Are the Spiral-Arm-Driving Planets?

Prehistory of Transit Searches

The Feasibility and Benefits of In Situ Exploration of `Oumuamua-like objects

Habitability from Tidally-Induced Tectonics

March 19, 2018 updates

The Telltale Heartbeat: Detection and Characterization of Eccentric Orbiting Planets via Tides on their Host Star

Earth: Atmospheric Evolution of a Habitable Planet

Orbital migration and Resonance Offset of the Kepler-25 and K2-24 systems

The crucial role of ground-based, Doppler measurements for the future of exoplanet science

Pre-discovery transits of the exoplanets WASP-18 b and WASP-33 b from Hipparcos

Characterization of Exoplanets: Secondary Eclipses

March 15, 2018 updates

The Transiting Exoplanet Community Early Release Science Program for JWST

Stellar obliquities and magnetic activities of Planet-Hosting Stars and Eclipsing Binaries based on Transit Chord Correlation

Three small planets transiting the bright young field star EPIC 249622103

Surface and Temporal Biosignatures

Energy Dissipation in the Upper Atmospheres of Trappist-1 Planets

A Likely Detection of a Two-Planet System in a Low Magnification Microlensing Event

Resonance Capture and Dynamics of 3-Planet Systems

The ngVLA’s Role in Exoplanet Science: Constraining Exo-Space Weather

Model-independent exoplanet transit spectroscopy

Superflare UV flashes impact on Kepler-96 system: a glimpse of habitability when the ozone layer first formed on Earth

March 14, 2018 updates

Possible Photometric Signatures of Moderately Advanced Civilizations: The Clarke Exobelt

Spitzer Opens New Path to Break Classic Degeneracy for Jupiter-Mass Microlensing Planet OGLE-2017-BLG-1140Lb

Key Technology Challenges for the Study of Exoplanets and the Search for Habitable Worlds

Kepler Data Validation I — Architecture, Diagnostic Tests, and Data Products for Vetting Transiting Planet Candidates

Possible Bright Starspots on TRAPPIST-1

The value of astrometry for exoplanet science

Project Blue: Visible Light Imaging Search for Terrestrial-class Exoplanets in the Habitable Zones of Alpha Centauri A and B

Implications of Neutron Star Mergers for Extraterrestrial Civilizations

A system of three transiting super-Earths in a cool dwarf star