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 05, 2024 updates

Analyzing warp drive spacetimes with Warp Factory
https://iopscience.iop.org/article/10.1088/1361-6382/ad2e42

LHS 475 b: A Potential Venus Analog Orbiting a Nearby M Dwarf
https://iopscience.iop.org/article/10.3847/1538-3881/ad1b58

The Solar Neighborhood LI: A Variability Survey of Nearby M Dwarfs with Planets from Months to Decades with TESS and the CTIO/SMARTS 0.9 m Telescope
https://iopscience.iop.org/article/10.3847/1538-3881/ad2ddc

Toward Atmospheric Retrievals of Panchromatic Light Curves: ExPLOR-ing Generalized Inversion Techniques for Transiting Exoplanets with JWST and Ariel
https://iopscience.iop.org/article/10.3847/1538-3881/ad3032

Report of the Working Group on Strategic Exoplanet Initiatives with HST and JWST
https://arxiv.org/abs/2404.02932

Orbital obliquity of the young planet TOI-5398 b and the evolutionary history of the system
https://arxiv.org/abs/2404.02969

NGTS-30 b/TOI-4862 b: An 1 Gyr old 98-day transiting warm Jupiter
https://arxiv.org/abs/2404.02974

The Impact of Extended H2O Cross-Sections on Temperate Anoxic Planet Atmospheres: Implications for Spectral Characterization of Habitable Worlds
https://arxiv.org/abs/2404.03031

The GAPS Programme at TNG. XXX: Characterization of the low-density gas giant HAT-P-67 b with GIARPS
https://arxiv.org/abs/2404.03317

The Impact-driven Atmospheric Loss of Super-Earths around Different Spectral Type Host Stars
https://arxiv.org/abs/2404.03333

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