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.

December 28, 2023 updates

The Fatal Absence of Evidence for Extraterrestrial Intelligence and its Consequence for Humanity
https://osf.io/preprints/socarxiv/uckfw

Is the apparent absence of extraterrestrial technological civilizations down to the zoo hypothesis or nothing?
https://www.nature.com/articles/s41550-023-02134-2

Sustained and comparative habitability beyond Earth
https://www.nature.com/articles/s41550-023-02158-8

Is astrobiology serious science?
https://www.nature.com/articles/s41550-023-02165-9

Mitigating astrometric bias in barycentric correction with PEXO
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stad3796/7492279

The Kepler Giant Planet Search. I. A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory
https://iopscience.iop.org/article/10.3847/1538-4365/ad0cab

Planet-Driven Scatterings of Planetesimals Into a Star: Probability, Timescale and Applications
https://arxiv.org/abs/2308.10326

December 27, 2023 updates

Breakthrough Sun Diving: The Rectilinear Option
https://bis-space.com/shop/product/jbis-076-08-0283/

Day–Night Transport-induced Chemistry and Clouds on WASP-39b: Gas-phase Composition
https://iopscience.iop.org/article/10.3847/2041-8213/ad1405

The Role of Giant Impacts in Planet Formation
https://arxiv.org/abs/2312.15018

Large planets may not form fractionally large moons
https://arxiv.org/abs/2312.15050

A search for auroral radio emission from βPictoris b
https://arxiv.org/abs/2312.15176

December 22, 2023 updates

Tidal Dissipation in Stably Stratified and Semiconvective Regions of Rotating Giant Planets: Incorporating Coriolis Forces
https://iopscience.iop.org/article/10.3847/1538-4357/ad0a90

Degenerate Interpretations of O 3 Spectral Features in Exoplanet Atmosphere Observations Due to Stellar UV Uncertainties: A 3D Case Study with TRAPPIST-1 e
https://iopscience.iop.org/article/10.3847/1538-4357/ad0381

Retrograde Ring Formed Around Eccentric Extrasolar Giant Planet
https://arxiv.org/abs/2312.13786

High-Resolution Imaging of a TESS Control Sample: Verifying a Deficit of Close-In Stellar Companions to Exoplanet Host Stars
https://arxiv.org/abs/2312.14094