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.

February 23, 2024 updates

Fleeting but not Forgotten: the Imprint of Escaping Hydrogen Atmospheres on Super-Earth Interiors
https://arxiv.org/abs/2402.14072

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
https://arxiv.org/abs/2402.14121

Quenching-driven equatorial depletion and limb asymmetries in hot Jupiter atmospheres: WASP-96b example
https://arxiv.org/abs/2402.14535

Automated chemical reaction network generation and its application to exoplanet atmospheres
https://arxiv.org/abs/2402.14784

February 22, 2024 updates

Analysis of Using the Light Pressure Effect to Drive Spacecraft under Complex Conditions
https://www.deanfrancispress.com/index.php/te/article/view/459

Introducing the Exoplanet Escape Factor and the Fishbowl Worlds (Two conceptual tools for the search of extra terrestrial civilizations)
https://www.researchgate.net/publication/378204698_Introducing_the_Exoplanet_Escape_Factor_and_the_Fishbowl_Worlds_Two_conceptual_tools_for_the_search_of_extra_terrestrial_civilizations

Fundamentals for habitable scenarios for Earth-like planets in the TRAPPIST-1 system
https://academic.oup.com/mnrasl/advance-article/doi/10.1093/mnrasl/slae013/7612257

How to build a habitable planet? An interview with Charles H. Langmuir
https://academic.oup.com/nsr/advance-article/doi/10.1093/nsr/nwae060/7612248

The Orbital Geometries and Stellar Obliquities of Exoplanet-hosting Multistar Systems
https://iopscience.iop.org/article/10.3847/1538-3881/ad1bed

A Tale of Two Peas-In-A-Pod: The Kepler-323 and Kepler-104 Systems
https://arxiv.org/abs/2402.13386

Computing Transiting Exoplanet Parameters with 1D Convolutional Neural Networks
https://arxiv.org/abs/2402.13673

The effect of lightning on the atmospheric chemistry of exoplanets and potential biosignatures
https://arxiv.org/abs/2402.13682

Planetary atmospheres Through Time: Effects of Mass Loss and Thermal Evolution
https://arxiv.org/abs/2402.13931

A formally motivated retrieval framework applied to the high resolution transmission spectrum of HD 189733 b
https://arxiv.org/abs/2402.14001

February 21, 2024 updates

Detectability of Surface Biosignatures for Directly Imaged Rocky Exoplanets
https://liebertpub.com/doi/10.1089/ast.2023.0099

Constraining planetary formation models using conditional occurrences of various planet types
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae501/7611717

Dynamically coupled kinetic chemistry in brown dwarf atmospheres – II. Cloud and chemistry connections in directly imaged sub-Jupiter exoplanets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae537/7611715

Automated Scheduling of Doppler Exoplanet Observations at Keck Observatory
https://iopscience.iop.org/article/10.3847/1538-3881/ad1ff7

JWST Transmission Spectroscopy of HD 209458b: A Supersolar Metallicity, a Very Low C/O, and No Evidence of CH4, HCN, or C2H2
https://iopscience.iop.org/article/10.3847/2041-8213/ad2682

NASA Exoplanet Exploration Program (ExEP) Mission Star List for the Habitable Worlds Observatory (2023)
https://arxiv.org/abs/2402.12414

Pre-perihelion Monitoring of Interstellar Comet 2I/Borisov
https://arxiv.org/abs/2402.12428

Reduced-resolution beamforming: lowering the computational cost for pulsar and technosignature surveys
https://arxiv.org/abs/2402.12723

Evidence of apsidal motion and a possible co-moving companion star detected in the WASP-19 system
https://arxiv.org/abs/2402.12896

Metallicities and Refined Stellar Parameters for 52 Cool Dwarfs with Transiting Planets and Planet Candidates
https://arxiv.org/abs/2402.13223

February 20, 2024 updates

The Bona Fide of Non-Human Intelligence (NHI) Exploring Earth: Evolutionary Pressure and the Halting Problem
https://www.researchgate.net/publication/378213790_The_Bona_Fide_of_Non-Human_Intelligence_NHI_Exploring_Earth_Evolutionary_Pressure_and_the_Halting_Problem

Tidal Dissipation in Giant Planets
https://link.springer.com/article/10.1007/s11214-024-01055-4

Cosmic dust fertilization of glacial prebiotic chemistry on early Earth
https://www.nature.com/articles/s41550-024-02212-z

TIaRA TESS1: Estimating exoplanet yields from Year 1 and Year 3 SPOC lightcurves
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae474/7610918

Search for stellar companions of exoplanet host stars with AstraLux/CAHA 2.2 m
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae520/7610909

Technosignatures Longevity and Lindy’s Law
https://iopscience.iop.org/article/10.3847/1538-3881/ad217d

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. IV. NIRISS Aperture Masking Interferometry Performance and Lessons Learned
https://iopscience.iop.org/article/10.3847/2041-8213/ad21fb

A uGMRT search for radio emission from planets around evolved stars
https://arxiv.org/abs/2402.11182

TASTE V. A new ground-based investigation of orbital decay in the ultra-hot Jupiter WASP-12b
https://arxiv.org/abs/2402.12120

Water Vapour Transit Ambiguities for Habitable M-Earths
https://arxiv.org/abs/2402.12253

On the Ocean Conditions of Hycean Worlds
https://arxiv.org/abs/2402.12330

Signature of the atmospheric asymmetries of hot and ultra-hot Jupiters in lightcurves
https://arxiv.org/abs/2402.12355

February 19, 2024 Updates

The bouncing barrier revisited: Impact on key planet formation processes and observational signatures
https://www.aanda.org/articles/aa/full_html/2024/02/aa47716-23/aa47716-23.html

The tidal deformation and atmosphere of WASP-12b from its phase curve
https://arxiv.org/abs/2402.10486

Accretion of primordial H-He atmospheres in mini-Neptunes: the importance of envelope enrichment
https://arxiv.org/abs/2402.10544

Strong fractionation of deuterium and helium in sub-Neptune atmospheres along the radius valley
https://arxiv.org/abs/2402.10690

Habitable planet to sustainable civilization: Global climate change with related clean energy transition reliant on declining critical metal resources
https://www.sciencedirect.com/science/article/abs/pii/S1342937X2400039X

Resonant Chains and the Convergent Migration of Planets in Protoplanetary Disks
https://iopscience.iop.org/article/10.3847/1538-3881/ad1f60

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