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 info@irg.space.

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

April 12, 2018 updates

The cosmic gorilla effect or the problem of undetected non terrestrial intelligent signals
https://www.sciencedirect.com/science/article/pii/S009457651731706X

On The Lack of Circumbinary Planets Orbiting Isolated Binary Stars
https://arxiv.org/abs/1804.03676

Confirming Variability in the Secondary Eclipse Depth of the Super-Earth 55 Cancri e
https://arxiv.org/abs/1804.03735

The Silurian Hypothesis: Would it be possible to detect an industrial civilization in the geological record?
https://arxiv.org/abs/1804.03748

Planets around the evolved stars 24 Booties and γ Libra: A 30d-period planet and a double giant-planet system in possible 7:3 MMR
https://arxiv.org/abs/1804.04008

Connecting Planetary Composition with Formation
https://arxiv.org/abs/1804.04070

Interstellar Escape from Proxima b is Barely Possible with Chemical Rockets
https://arxiv.org/abs/1804.03698

April 11, 2018 updates

What is Alpha Centauri hiding? Searches for Earth-like planets ramp up around our nearest stellar neighbor
https://www.sciencemag.org/news/2018/04/what-alpha-centauri-hiding-searches-earth-planets-ramp-around-our-nearest-stellar

Finding and Characterizing Other Worlds: the Thermal-IR ELT Opportunity
https://arxiv.org/abs/1804.03218

The HADES RV Programme with HARPS-N@TNG VIII. Gl15A: A multiple wide planetary system sculpted by binary interaction
https://arxiv.org/abs/1804.03476

April 10, 2018 updates

Spectroscopic Characterization of Key Aromatic Molecules: A Route toward The Origin of Life
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5881883/

Interstellar Colonization
http://www.ideefiks.utwente.nl/wp_base/wp-content/uploads/2016/01/Interstellar-colonization_technolab2017.pdf

Policy options for the radio detectability of Earth
https://arxiv.org/abs/1804.01885

UKIRT-2017-BLG-001Lb: A Giant Planet Detected through the Dust
http://iopscience.iop.org/article/10.3847/2041-8213/aab71b

Investigating hot-Jupiter inflated radii with hierarchical Bayesian modelling
https://arxiv.org/abs/1804.03075

Role of stellar physics in regulating the critical steps for life
https://arxiv.org/abs/1804.02271

Redox evolution via gravitational differentiation on low mass planets: implications for abiotic oxygen, water loss and habitability
https://arxiv.org/abs/1710.00345

April 9, 2018 updates

The Gravitational Threshold of Spacefaring Civilizations
http://geopolicraticus.tumblr.com/post/172681556712/the-gravitational-threshold-of-spacefaring

Space Exploration: It’s Impact on Society–A Critical Review
http://www.ijater.com/files/NCRTSTM_01_18.pdf

The Traveling-Wave Tube in the History of Telecommunication
https://arxiv.org/abs/1803.11497

Spacedrives and Conservation Laws
https://arc.aiaa.org/doi/full/10.2514/1.A34116

Escape and fractionation of volatiles and noble gases from Mars-sized planetary embryos and growing protoplanets
https://www.sciencedirect.com/science/article/pii/S0019103517301677

The First Naked-Eye Superflare Detected from Proxima Centauri
https://arxiv.org/abs/1804.02001

A HARDCORE model for constraining an exoplanet’s core size
https://arxiv.org/abs/1804.02019

Giant planets: good neighbors for habitable worlds?
https://arxiv.org/abs/1804.02183

K-Stacker: Keplerian image recombination for the direct detection of exoplanets
https://arxiv.org/abs/1804.02192

Using asteroseismology to characterise exoplanet host stars
https://arxiv.org/abs/1804.02214

Low mass planet migration in magnetically torqued dead zones – II. Flow-locked and runaway migration, and a torque prescription
https://arxiv.org/abs/1804.02290

Formation of the terrestrial planets in the solar system around 1 au via radial concentration of planetesimals
https://arxiv.org/abs/1804.02361

April 6, 2018 updates

Advanced Diffractive MetaFilm Sailcraft
https://www.nasa.gov/directorates/spacetech/niac/2018_Phase_I_Phase_II/Advanced_Diffractive_MetaFilm_Sailcraft

Planetary population synthesis
https://arxiv.org/abs/1804.01532

HATS-39b, HATS-40b, HATS-41b, and HATS-42b: Three Inflated Hot Jupiters and a Super-Jupiter Transiting F Stars
https://arxiv.org/abs/1804.01623

SOPHIE velocimetry of Kepler transit candidates XVIII. Radial velocity confirmation, absolute masses and radii, and origin of the Kepler-419 multiplanetary system
https://arxiv.org/abs/1804.01869

Thermal emission of WASP-48b in the Ks-band
https://arxiv.org/abs/1804.01913

Resolving faint structures in the debris disk around TWA7
https://arxiv.org/abs/1804.01929

OGLE-2017-BLG-0373Lb: A Jovian Mass-Ratio Planet Exposes A New Accidental Microlensing Degeneracy
https://arxiv.org/abs/1802.10067

How much does turbulence change the pebble isolation mass for planet formation?
https://arxiv.org/abs/1804.00924