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.

August 21, 2024 updates

What doesn’t kill Gaia makes her stronger: impacts of external perturbations on biosphere evolution
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae2003/7737677

Chemical Mapping of Temperate Sub-Neptune Atmospheres: Constraining the Deep Interior H2O/H2 Ratio from the Atmospheric CO2/CH4 Ratio
https://iopscience.iop.org/article/10.3847/2041-8213/ad6b25

RV measurements of directly imaged brown dwarf GQ Lup B to search for exo-satellites
https://arxiv.org/abs/2408.10299

An Extragalactic Widefield Search for Technosignatures with the Murchison Widefield Array
https://arxiv.org/abs/2408.10372

Geodynamics of super-Earth GJ 486b
https://arxiv.org/abs/2408.10851

Future exoplanet direct imaging instruments: Simulating spatial light modulator-based pixelated focal-plane coronagraphy
https://arxiv.org/abs/2408.10891

A reassessment of the “hard-steps” model for the evolution of intelligent life
https://arxiv.org/abs/2408.10293

August 20, 2024 updates

A Bayesian Analysis of the Probability of the Origin of Life Per Site Conducive to Abiogenesis
https://liebertpub.com/doi/10.1089/ast.2024.0037

The interior as the dominant water reservoir in super-Earths and sub-Neptunes
https://link.springer.com/article/10.1038/s41550-024-02347-z

Planet Mass and Metallicity: The Exoplanets and Solar System Connection
https://link.springer.com/article/10.1007/s11214-024-01098-7

The formation of the TRAPPIST-1 system in two steps during the recession of the disk inner edge
https://www.nature.com/articles/s41550-024-02342-4

Tracking Advanced Planetary Systems (TAPAS) with HARPS-N – VIII. A wide-orbit planetary companion in the hot-Jupiter system HD 118203
https://www.aanda.org/articles/aa/full_html/2024/08/aa51084-24/aa51084-24.html

Peering above the clouds of the warm Neptune GJ 436 b with CRIRES+
https://www.aanda.org/articles/aa/full_html/2024/08/aa49932-24/aa49932-24.html

Microphysical Prescriptions for Parameterized Water Cloud Formation on Ultra-cool Substellar Objects
https://arxiv.org/abs/2408.08958

Pursuing Truth: Improving Retrievals on Mid-Infrared Exo-Earth Spectra with Physically Motivated Water Abundance Profiles and Cloud Models
https://arxiv.org/abs/2408.09129

Analysis of Habitability and Stellar Habitable Zones from Observed Exoplanets
https://arxiv.org/abs/2408.09296

Discovery of a Jupiter Analog Misaligned to the Inner Planetary System in HD 73344
https://arxiv.org/abs/2408.09614

Obliquities of Exoplanet Host Stars: 19 New and Updated Measurements, and Trends in the Sample of 205 Measurements
https://arxiv.org/abs/2408.09793

Ocean Circulation on Tide-locked Lava Worlds, Part I: An Idealized 2D Numerical Model
https://arxiv.org/abs/2408.09986

Ocean Circulation on Tide-locked Lava Worlds, Part II: Scalings
https://arxiv.org/abs/2408.09985

Single-Star Warm-Jupiter Systems Tend to Be Aligned, Even Around Hot Stellar Hosts: No Teff−λ Dependency
https://arxiv.org/abs/2408.10038

August 19, 2024 updates

Astronism, Cosmism and Cosmodeism: An Analysis of the Space Religions espousing Transcension
https://philpapers.org/rec/ACALQC

Antimatter and its Application
https://www.deanfrancispress.com/index.php/te/article/view/958

Illumination of a Planet by a Black Hole Moon as a Technological Signature
https://iopscience.iop.org/article/10.3847/2515-5172/ad6e7a

Arecibo Wow! I: An Astrophysical Explanation for the Wow! Signal
https://arxiv.org/abs/2408.08513

Semi-empirical Estimates of the Cosmic Planet Formation Rate
https://arxiv.org/abs/2408.08611

August 16, 2024 updates

A Hidden Implication of the Fermi Paradox: The Emergence of Intelligent Civilizations from the Complex Universe
https://osf.io/preprints/osf/84rwq

SmallSat Technology Accelerated Maturation Platform-1: a proposal to advance ultraviolet science, workforce, and technology for the Habitable Worlds Observatory
https://www.spiedigitallibrary.org/journals/Journal-of-Astronomical-Telescopes-Instruments-and-Systems/volume-10/issue-3/034004/SmallSat-Technology-Accelerated-Maturation-Platform-1–a-proposal-to/10.1117/1.JATIS.10.3.034004.full

Extraterrestrial Life: Plasmas, UAP, Shape Shifters, Replicons, Thunderstorms, Unidentified Ocean Phenomenon
https://www.researchgate.net/publication/383034675_Extraterrestrial_Life_Plasmas_UAP_Shape_Shifters_Replicons_Thunderstorms_Unidentified_Ocean_Phenomenon

A Laboratory Model of the Large-Scale Atmospheric Circulation of Tidally Locked Exoplanets
https://www.mdpi.com/2073-4433/15/8/982

Investing in the Unrivaled Potential of Wide-Separation Sub-Jupiter Exoplanet Detection and Characterisation with JWST — Strategic Exoplanet Initiatives with HST and JWST White Paper
https://arxiv.org/abs/2408.07722

The Unrealised Interdisciplinary Advantage of Observing High Mass Transiting Exoplanets and Brown Dwarfs — Strategic Exoplanet Initiatives with HST and JWST White Paper
https://arxiv.org/abs/2408.07723

From the Shadows: The Impact of Nightside Thermal Emission on Ultra-hot Jupiter Transmission Spectra Retrievals
https://arxiv.org/abs/2408.07739