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 04, 2024 updates

Probably Not Aliens — Seismic Data Analysis from the 2014 ‘Interstellar Meteor’
https://www.hou.usra.edu/meetings/lpsc2024/pdf/2595.pdf

Thermal tides in neutrally stratified atmospheres: Revisiting the Earth’s Precambrian rotational equilibrium
https://www.aanda.org/articles/aa/full_html/2024/04/aa48625-23/aa48625-23.html

Trapped Water on Silicates in the Laboratory and in Astrophysical Environments
https://iopscience.iop.org/article/10.3847/1538-4357/ad2c07

Is artificial intelligence the great filter that makes advanced technical civilisations rare in the universe?
https://www.sciencedirect.com/science/article/pii/S0094576524001772

Data availability and requirements relevant for the Ariel space mission and other exoplanet atmosphere applications
https://arxiv.org/abs/2404.02188

April 03, 2024 updates

Different Scenarios for the Origin and the Subsequent Succession of a Hypothetical Microbial Community in the Cloud Layer of Venus
https://liebertpub.com/doi/10.1089/ast.2022.0117

ARES – VI. Viability of one-dimensional retrieval models for transmission spectroscopy characterization of exo-atmospheres in the era of JWST and Ariel
https://www.aanda.org/articles/aa/full_html/2024/04/aa47379-23/aa47379-23.html

Retrieved Atmospheres and Inferred Surface Properties for Exoplanets Using Transmission and Reflected Light Spectroscopy
https://arxiv.org/abs/2404.01423

A fading radius valley towards M-dwarfs, a persistent density valley across stellar types
https://arxiv.org/abs/2404.01967

April 02, 2024 updates

This super-Earth is the first planet confirmed to have a permanent dark side
https://www.nature.com/articles/d41586-024-00414-z

ARES – Viability of one-dimensional retrieval models for transmission spectroscopy characterization of exo-atmospheres in the era of JWST and Ariel
https://www.aanda.org/articles/aa/full_html/2024/04/aa47379-23/aa47379-23.html

JWST COMPASS: NIRSpec/G395H Transmission Observations of the Super-Earth TOI-836b
https://arxiv.org/abs/2404.00093

A Promising New Dark Matter Candidate, and Implications for the Search for Extraterrestrial Intelligence (SETI)
https://arxiv.org/abs/2404.00465

A proposal for enhancing technosignature search toward the Galactic center
https://arxiv.org/abs/2404.00840

JWST COMPASS: A NIRSpec/G395H Transmission Spectrum of the Sub-Neptune TOI-836c
https://arxiv.org/abs/2404.01264

Search for gravitationally lensed interstellar transmissions
https://arxiv.org/abs/2404.01201

April 1, 2024 Updates

Cooperative Evolutionary Pressure and Diminishing Returns Might Explain the Fermi Paradox: On What Super-AIs Are Like
https://osf.io/preprints/osf/bq438

Preliminary analysis of in-orbit operation accidents for an ultra-small Lithium-cooled space reactor power system
https://www.sciencedirect.com/science/article/abs/pii/S014919702400146X

Erratum: “Dynamical Evolution and Spin-orbit Resonances of Potentially Habitable Exoplanets. The Case of GJ 667C”
https://iopscience.iop.org/article/10.3847/1538-4357/ad21e5

Mapping the Vertical Gas Structure of the Planet-hosting PDS 70 Disk
https://iopscience.iop.org/article/10.3847/1538-4357/ad24d2

Erratum: “Flares, Rotation, Activity Cycles, and a Magnetic Star–Planet Interaction Hypothesis for the Far-ultraviolet Emission of GJ 436”
https://iopscience.iop.org/article/10.3847/1538-3881/ad2de0

A Self-Consistent Model of Radial Transport in the Magnetodisks of Gas Giants Including Interhemispheric Asymmetries
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023JA032233

Planets observed with CHEOPS – Two super-Earths orbiting the red dwarf star TOI-776
https://www.aanda.org/articles/aa/full_html/2024/04/aa43838-22/aa43838-22.html

Effects of planetary day-night temperature gradients on He 1083 nm transit spectra
https://www.aanda.org/articles/aa/full_html/2024/04/aa47709-23/aa47709-23.html

March 29, 2024 updates

TOI-1199 b and TOI-1273 b: Two new transiting hot Saturns detected and characterized with SOPHIE and TESS
https://www.aanda.org/articles/aa/full_html/2024/04/aa48288-23/aa48288-23.html

Planets observed with CHEOPS – Two super-Earths orbiting the red dwarf star TOI-776
https://www.aanda.org/articles/aa/full_html/2024/04/aa43838-22/aa43838-22.html

Venus Cloud Sample Return Concept for Astrobiology
https://www.sciencedirect.com/science/article/abs/pii/S0273117724003004

High-resolution Spectroscopic Reconnaissance of a Temperate Sub-Neptune
https://arxiv.org/abs/2403.18891

Feasibility of High-Resolution Transmission Spectroscopy for Low-Velocity Exoplanets
https://arxiv.org/abs/2403.18894

ATMOSPHERIX: III- Estimating the C/O ratio and molecular dynamics at the limbs of WASP-76 b with SPIRou
https://arxiv.org/abs/2403.19434

The phase curve of the ultra-hot Jupiter WASP-167b as seen by TESS
https://arxiv.org/abs/2403.19468