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 16, 2018 updates

New inner boundaries of the habitable zones around M dwarfs
https://www.sciencedirect.com/science/article/pii/S0012821X18301985

Binary companions of evolved stars in APOGEE DR14: Search method and catalog of ~5,000 companions
https://arxiv.org/abs/1804.04662

Puzzling out the coexistence of terrestrial planets and giant exoplanets. The 2/1 resonant periodic orbits
https://arxiv.org/abs/1804.04936

Analytical Models of Exoplanetary Atmospheres. VI. Full Solutions for Improved Two-stream Radiative Transfer Including Direct Stellar Beam
https://arxiv.org/abs/1804.04961

FastChem: A computer program for efficient complex chemical equilibrium calculations in the neutral/ionized gas phase with applications to stellar and planetary atmospheres
https://arxiv.org/abs/1804.05010

A Revised Exoplanet Yield from the Transiting Exoplanet Survey Satellite (TESS)
https://arxiv.org/abs/1804.05050

Spaceflight from Super-Earths is difficult [Serious version of the April Fool’s idea previously posted]
https://arxiv.org/abs/1804.04727

An Improved Transit Measurement for a 2.4 R_{Earth} Planet Orbiting A Bright Mid-M Dwarf K2−28
https://arxiv.org/abs/1801.10177

April 13, 2018 updates

TESS readies for takeoff
https://news.mit.edu/2018/tess-readies-takeoff-discover-exoplanets-0412

Earth as an Exoplanet
https://arxiv.org/abs/1804.04138

Mars’ Growth Stunted by an Early Giant Planet Instability
https://arxiv.org/abs/1804.04233

X-Ray Ionization of Planet-Opened Gaps in Protostellar Disks
https://arxiv.org/abs/1804.04265

The Breakthrough Listen Search for Intelligent Life: Wide-bandwidth Digital Instrumentation for the CSIRO Parkes 64-m Telescope
https://arxiv.org/abs/1804.04571

A Multi-Year Search For Transits Of Proxima Centauri. I: Light Curves Corresponding To Published Ephemerides
https://arxiv.org/abs/1802.04284

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