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 6, 2018 updates

JAMES WEBB SPACE TELESCOPE Integration and Test Challenges Have Delayed Launch and Threaten to Push Costs Over Cap

New Constraints on Gliese 876—Exemplar of Mean-motion Resonance

Habitable Evaporated Cores and the Occurrence of Panspermia Near the Galactic Center

A New Window into Escaping Exoplanet Atmospheres: 10830 Å Line of Helium

Haze production rates in super-Earth and mini-Neptune atmosphere experiments

Laboratory Simulations of Haze Formation in the Atmospheres of super-Earths and mini-Neptunes: Particle Color and Size Distribution

The resilience of Kepler systems to stellar obliquity

Dynamical analysis of the circumprimary planet in the eccentric binary system HD59686

The when and where of water in the history of the universe

Planetary Candidates Observed by Kepler. VIII. A Fully Automated Catalog With Measured Completeness and Reliability Based on Data Release 25

March 5, 2018 updates

Three Small Planets Transiting a Hyades Star

HATS-36b and 24 Other Transiting/Eclipsing Systems from the HATSouth-K2 Campaign 7 Program

K2-155: A Bright Metal-poor M Dwarf with Three Transiting Super-Earths

Exoplanets around Low-mass Stars Unveiled by K2

Long-term Stability of Tightly Packed Multi-planet Systems in Prograde, Coplanar, Circumstellar Orbits within the α Centauri AB System

Precision Orbit of δ Delphini and Prospects for Astrometric Detection of Exoplanets

Analytical Models of Exoplanetary Atmospheres. V. Non-gray Thermal Structure with Coherent Scattering

A Universal Break in the Planet-to-Star Mass-Ratio Function of Kepler MKG stars

Radio Emission from the Exoplanetary System ε Eridani

Planet Occurrence: Doppler and Transit Surveys

March 2, 2018 updates

The Complete Transmission Spectrum of WASP-39b with a Precise Water Constraint

Continuous reorientation of synchronous terrestrial planets due to mantle convection

A System of Three Super Earths Transiting the Late K-Dwarf GJ 9827 at 30 pc

Magellan/PFS Radial Velocities of GJ 9827, a late K dwarf at 30 pc with Three Transiting Super-Earths

The continued importance of habitability studies

Habitable Snowballs: Generalizing the Habitable Zone

Simulating the cloudy atmospheres of HD 209458 b and HD 189733 b with the 3D Met Office Unified Model

Inferring Planetary Obliquity Using Rotational & Orbital Photometry

Cool DZ white dwarfs II: Compositions and evolution of old remnant planetary systems

March 1, 2018 updates

Dependence of the Onset of the Runaway Greenhouse Effect on the Latitudinal Surface Water Distribution of Earth-Like Planets

Occurrence Rates from Direct Imaging Surveys

KELT: The Kilodegree Extremely Little Telescope, a Survey for Exoplanets Transiting Bright, Hot Stars

KMT-2016-BLG-0212: First KMTNet-Only Discovery of a Substellar Companion

Changes in the metallicity of gas giant planets due to pebble accretion

The nature of the giant exomoon candidate Kepler-1625 b-i

Exoplanet atmospheres with GIANO. I. Water in the transmission spectrum of HD 189733b

February 28, 2018 updates

Habitable Evaporated Cores and the Occurrence of Panspermia near the Galactic Center

About 30% of Sun-like Stars Have Kepler-like Planetary Systems: A Study of their Intrinsic Architecture

Identifying Young Kepler Planet Host Stars from Keck-HIRES Spectra of Lithium

Exoplanet Classification and Yield Estimates for Direct Imaging Missions

Mass determination of the 1:3:5 near-resonant planets transiting GJ 9827 (K2-135)

Medium-resolution integral-field spectroscopy for high-contrast exoplanet imaging: Molecule maps of the β Pictoris system with SINFONI

Aldebaran b’s temperate past uncovered in planet search data

The architecture and formation of the Kepler-30 planetary system

Water, Methane Depletion, and High-Altitude Condensates in the Atmosphere of the Warm Super-Neptune WASP-107b

H- Opacity and Water Dissociation in the Dayside Atmosphere of the Very Hot Gas Giant WASP-18 b

EPIC247098361b: a transiting warm Saturn on an eccentric P=11.2 days orbit around a V=9.9 star