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.

March 14, 2019 updates

Detection and characterization of an ultra-dense sub-Neptunian planet orbiting the Sun-like star K2-292
https://www.aanda.org/articles/aa/abs/2019/03/aa34952-18/aa34952-18.html

Carrington-class Events as a Great Filter for Electronic Civilizations in the Drake Equation
https://iopscience.iop.org/article/10.1088/1538-3873/ab028e

Update of the HITRAN collision-induced absorption section
https://www.sciencedirect.com/science/article/abs/pii/S0019103518306997

A Statistical Comparative Planetology Approach to Maximize the Scientific Return of Future Exoplanet Characterization Efforts
https://arxiv.org/abs/1903.05211

The Super-Earth Opportunity – Search for Habitable Exoplanets in the 2020s
https://arxiv.org/abs/1903.05258

Multiple Populations of Extrasolar Gas Giants
https://arxiv.org/abs/1903.05317

A hot rocky and a warm puffy super-Earth orbiting TOI-402 (HD 15337)
https://arxiv.org/abs/1903.05419

The Critical, Strategic Importance of Adaptive Optics-Assisted Ground-Based Telescopes for the Success of Future NASA Exoplanet Direct Imaging Missions
https://arxiv.org/abs/1903.05468

The radio search for technosignatures in the decade 2020-2030
https://arxiv.org/abs/1903.05544

The ground-based optical transmission spectrum of hot Jupiter HAT-P-1b
https://arxiv.org/abs/1903.05563

The remote detectability of Earth’s biosphere through time and the importance of UV capability for characterizing habitable exoplanets
https://arxiv.org/abs/1903.05611

The HD 15337 transiting system: a pair of sub-Neptune-mass planets on the opposite sides of the radius gap
https://arxiv.org/abs/1903.05623

Exoplanet Exergy: Why useful work matters for planetary habitabilty
https://arxiv.org/abs/1903.05624

March 13, 2019 updates

NASA criticized for proposed budget cuts
https://spacenews.com/nasa-criticized-for-proposed-budget-cuts/

The Great Colonization Debate
https://www.sciencedirect.com/journal/futures/articles-in-press

Tides between the TRAPPIST-1 planets
https://arxiv.org/abs/1903.04501

Realistic On-The-Fly Outcomes of Planetary Collisions: Machine Learning Applied to Simulations of Giant Impacts
https://arxiv.org/abs/1903.04507

Fate of the runner in hit-and-run collisions
https://arxiv.org/abs/1903.04508

Identification and characterization of the host stars in planetary microlensing with ELTs
https://arxiv.org/abs/1903.04559

Asteroseismic determination of the stellar rotation period of the Kepler transiting planetary systems and its implications for the spin-orbit architecture
https://arxiv.org/abs/1903.04669

Discovery of Cold Brown Dwarfs or Free-Floating Giant Planets Close to the Sun
https://arxiv.org/abs/1903.04686

On the Anomalous Acceleration of 1I/2017 U1 `Oumuamua
https://arxiv.org/abs/1903.04723

Gliese 49: Activity evolution and detection of a super-Earth
https://arxiv.org/abs/1903.04808

The sub-Jovian desert of exoplanets: parameter dependent boundaries and implications on planet formation
https://arxiv.org/abs/1903.04817

The Metallicity-Period-Mass Diagram of low-mass exoplanets
https://arxiv.org/abs/1903.04937

The Importance of 3D General Circulation Models for Characterizing the Climate and Habitability of Terrestrial Extrasolar Planets
https://arxiv.org/abs/1903.05012

March 12, 2019 updates

Monitoring of the D Doublet of Neutral Sodium during Transits of Two “Evaporating” Planets
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stz693/5372460

Op-ed | The rocky landscape for astrophysics
https://spacenews.com/the-rocky-landscape-for-astrophysics/

The Space Astrophysics Landscape for the 2020s and Beyond
https://www.hou.usra.edu/meetings/landscape2019/

Habitable zone predictions and how to test them
https://arxiv.org/abs/1903.03706

Mechanisms leading to a warmer climate on high obliquity planets
https://arxiv.org/abs/1903.03726

Effectively Calculating Gaseous Absorption in Radiative Transfer Models of Exoplanetary and Brown Dwarf Atmospheres
https://arxiv.org/abs/1903.03997

A hypothesis for the rapid formation of planets
https://arxiv.org/abs/1903.04451

Impact of thermal effects on the evolution of eccentricity and inclination of low-mass planets
https://arxiv.org/abs/1903.04470

Tracing the Origins and Evolution of Small Planets using Their Orbital Obliquities
https://arxiv.org/abs/1903.04482

March 11, 2019 updates

The Halo Drive: Fuel-free Relativistic Propulsion of Large Masses via Recycled Boomerang Photons
https://arxiv.org/abs/1903.03423

Quantitative evaluation of a dual-band spacecraft communication concept for a 1000 AU interstellar pathfinder mission
https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10910/1091003/Quantitative-evaluation-of-a-dual-band-spacecraft-communication-concept-for/10.1117/12.2513937.short

Revealing signatures of planets migrating in protoplanetary discs with ALMA multi-wavelength observations
https://arxiv.org/abs/1903.03114

Data-driven stellar parameters for southern TESS FGK targets
https://arxiv.org/abs/1903.03115

Stellar Astrophysics and Exoplanet Science with the Maunakea Spectroscopic Explorer (MSE)
https://arxiv.org/abs/1903.03157

Mass and Mass Scalings of Super-Earths
https://arxiv.org/abs/1806.04693

March 8, 2019 updates

“Goldilocks” Stars May Be “Just Right” for Finding Habitable Worlds
https://www.nasa.gov/feature/goddard/2019/k-star-advantage

The K Dwarf Advantage for Biosignatures on Directly Imaged Exoplanets
https://iopscience.iop.org/article/10.3847/2041-8213/ab0651

A Jovian planet in an eccentric 11.5 day orbit around HD 1397 discovered by TESS
https://www.aanda.org/articles/aa/abs/2019/03/aa34577-18/aa34577-18.html

Detecting exoplanets with FAST?
https://iopscience.iop.org/article/10.1088/1674-4527/19/2/23

Planet-planet scattering as the source of the highest eccentricity exoplanets
https://arxiv.org/abs/1903.02564

WASP-4b Arrived Early for the TESS Mission
https://arxiv.org/abs/1903.02573

Helium Absorption at 1083 nm from Extended Exoplanet Atmospheres: Dependence on Stellar Radiation
https://arxiv.org/abs/1903.02576

Physical properties and transmission spectrum of the WASP-74 planetary system from multi-band photometry
https://arxiv.org/abs/1903.02800

WASP-92, WASP-93 and WASP-118: Transit timing variations and long-term stability of the systems
https://arxiv.org/abs/1903.02804