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.

December 24, 2018 updates

Extraterrestrial Preservation of Terrestrial Heritage

A transiting super-Earth close to the inner edge of the habitable zone of an M0 dwarf star

Orbital Motion of the Wide Planetary-Mass Companion GSC 6214-210 b: No Evidence for Dynamical Scattering

Detection and characterization of an ultra-dense sub-Neptune planet orbiting the Sun-like star HD 119130

The discovery of WASP-134b, WASP-134c, WASP-137b, WASP-143b and WASP-146b: three hot Jupiters and a pair of warm Jupiters orbiting Solar-type stars

Experimental test of a 40 cm-long R=100 000 spectrometer for exoplanet characterisation

December 21, 2018 updates

An Astrobiology Strategy for the Search for Life in the Universe

Bright Opportunities for Atmospheric Characterization of Small Planets: Masses and Radii of K2-3 b, c, d and GJ3470 b from Radial Velocity Measurements and Spitzer Transits

Kepler-730: A hot Jupiter system with a close-in, transiting, Earth-sized planet

Juliet: a versatile modelling tool for transiting and non-transiting exoplanetary systems

NASA and the Search for Technosignatures: A Report from the NASA Technosignatures Workshop

December 20, 2018 updates

K2-264: A transiting multi-planet system in the Praesepe open cluster

The Atmospheric Radiation Interaction Simulator (AtRIS) – Description and Validation

The early instability scenario: terrestrial planet formation during the giant planet instability, and the effect of collisional fragmentation

HATS-54b-HATS-58Ab: five new transiting hot Jupiters including one with a possible temperate companion

Circumstellar dust distribution in systems with two planets in resonance

Modeling star-planet interactions in far-out planetary and exoplanetary systems

SPHERE dynamical and spectroscopic characterization of HD142527B

Detection of Periodicity Based on Independence Tests – IV. Phase Distance Correlation Periodogram for Two-Dimensional Astrometry

The independent discovery of planet candidates around low mass stars and astrophysical false positives from the first two TESS sectors

TVIW updates

Climate Sensitivity to Carbon Dioxide and the Moist Greenhouse Threshold of Earth-like Planets under an Increasing Solar Forcing

A search for accreting young companions embedded in circumstellar disks: High-contrast Hα imaging with VLT/SPHERE

Systematic Serendipity: A Test of Unsupervised Machine Learning as a Method for Anomaly Detection

ACCESS: Ground-based Optical Transmission Spectroscopy of the Hot Jupiter WASP-4b

Spectral and orbital characterisation of the directly imaged giant planet HIP 65426 b

A new class of Super-Earths formed from high-temperature condensates: HD219134 b, 55 Cnc e, WASP-47 e

Masses and radii for the three super-Earths orbiting GJ 9827, and implications for the composition of small exoplanets

Time’s arrow and life’s origin