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 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

December 21, 2023 updates

Nanophotonic designs for light-driven propulsion and space exploration
https://escholarship.org/uc/item/1d88x3gf

Unraveling the complex inventory of biorelevant organics in the plumes of icy moons
https://www.pnas.org/doi/abs/10.1073/pnas.2319167120

Exoplanet Radio Emission Detection: Principles and Approaches
https://drpress.org/ojs/index.php/HSET/article/view/12901

Reflection from Inclined, Relativistic Light Sails
https://iopscience.iop.org/article/10.3847/1538-3881/ad10b0

Coupled atmospheric chemistry, radiation, and dynamics of an exoplanet generate self-sustained oscillations
https://www.pnas.org/doi/10.1073/pnas.2309312120

The Rossiter-McLaughlin effect and exoplanet transits: A delicate association at medium and low spectral resolution
https://arxiv.org/abs/2312.12976

A Combined Ground-based and JWST Atmospheric Retrieval Analysis: Both IGRINS and NIRSpec Agree The Atmosphere of WASP-77A b is Metal-Poor
https://arxiv.org/abs/2312.13069

December 20, 2023 updates

Development of Solar Sail for Interstellar Exploration
https://link.springer.com/chapter/10.1007/978-3-031-38446-2_22

Astrophysicists publish Kepler Giant Planet Search, an aid to ‘figure out where to find life’
https://phys.org/news/2023-12-astrophysicists-publish-kepler-giant-planet.html

Parameterizing pressure–temperature profiles of exoplanet atmospheres with neural networks
https://www.aanda.org/articles/aa/full_html/2024/01/aa46390-23/aa46390-23.html

Bayesian Analysis for Remote Biosignature Identification on exoEarths (BARBIE). II. Using Grid-based Nested Sampling in Coronagraphy Observation Simulations for O2 and O3
https://iopscience.iop.org/article/10.3847/1538-3881/ad0fde

Geochemical and Photochemical Constraints on S[IV] Concentrations in Natural Waters on Prebiotic Earth
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023AV000926

The flipped orbit of KELT-19Ab inferred from the symmetric TESS transit light curves
https://arxiv.org/abs/2312.11815

The distribution of impactor core material during large impacts on Earth-like planets
https://arxiv.org/abs/2312.12132

Free-floating or wide-orbit? Keck adaptive-optics observations of free-floating planet candidates detected with gravitational microlensing
https://arxiv.org/abs/2303.04610