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.

July 09, 2024 updates

Hydrogen sulfide and metal-enriched atmosphere for a Jupiter-mass exoplanet
https://www.nature.com/articles/s41586-024-07760-y

The time evolution of the ultraviolet habitable zone
https://academic.oup.com/mnrasl/advance-article/doi/10.1093/mnrasl/slae064/7709457

On the difficulties of obtaining absolute transit depths with HST WFC3: KELT-11 b, an example
https://academic.oup.com/rasti/advance-article/doi/10.1093/rasti/rzae023/7709479

Exoplanet Aeronomy: A Case Study of WASP-69 b’s Variable Thermosphere
https://iopscience.iop.org/article/10.3847/1538-3881/ad5354

Simulated Climate of TRAPPIST-1e Using MPAS-A and Comparisons with Other GCMs
https://iopscience.iop.org/article/10.3847/PSJ/ad5546

Physically viable travsersable wormhole solutions and energy conditions in F(R,T) gravity within R2 formalism via specific form of shape functions
https://www.sciencedirect.com/science/article/abs/pii/S221268642400147X

Resonant and Ultra-short-period Planet Systems are at Opposite Ends of the Exoplanet Age Distribution
https://arxiv.org/abs/2407.04765

Stellar metallicity is a key parameter for the search of Life in the Universe
https://arxiv.org/abs/2207.03748

A novel metric for assessing climatological surface habitability
https://arxiv.org/abs/2407.05838

Giant planet interiors and atmospheres
https://arxiv.org/abs/2407.05853

Predicting the Galactic population of free-floating planets from realistic initial conditions
https://arxiv.org/abs/2407.05992

Characterisation of the Warm-Jupiter TOI-1130 system with CHEOPS and photo-dynamical approach
https://arxiv.org/abs/2407.06097

TESS Investigation — Demographics of Young Exoplanets (TI-DYE) II: a second giant planet in the 17-Myr system HIP 67522
https://arxiv.org/abs/2407.04763

July 8, 2024 Updates

Aligning Planet-Hosting Binaries via Dissipative Precession in Circumstellar Disks
https://arxiv.org/abs/2407.03284

General Relativity and Negative Energy
https://www.researchgate.net/publication/381852481_General_Relativity_and_Negative_Energy

We are the Intelligent Designer: Designing the Anthropocene
https://www.amazon.com/are-Intelligent-Designer-Designing-Anthropocene/dp/197727319X

Planet Formation and Disk Chemistry: Dust and Gas Evolution during Planet Formation
https://arxiv.org/abs/2407.03520

Surviving in the Hot Neptune Desert: The Discovery of the Ultra-Hot Neptune TOI-3261b
https://arxiv.org/abs/2407.04225

Dynamics of Binary Planets within Star Clusters
https://arxiv.org/abs/2407.04261

The TROY project III. Exploring co-orbitals around low-mass stars
https://arxiv.org/abs/2407.04677

The miscibility of hydrogen and water in planetary atmospheres and interiors
https://arxiv.org/abs/2407.04685

Predicting CO2 Gas Layer Thickness due to Mantle Outgassing in the Exoplanet Census
https://iopscience.iop.org/article/10.3847/2515-5172/ad5f30

Physically viable travsersable wormhole solutions and energy conditions in F(R,T) gravity within R2 formalism via specific form of shape functions
https://www.sciencedirect.com/science/article/pii/S221268642400147X

Alien anxiety
https://www.sciencedirect.com/science/article/abs/pii/S0262407924012296

July 05, 2024 updates

Transition from Super-Alfvénic to Sub-Alfvénic Stellar Wind Flow Passing by an Exoplanet, Using the Example of HD 209458b
https://link.springer.com/article/10.1134/S1063772924700252

PROCSIMA: Diffractionless Beamed Propulsion for Breakthrough Interstellar Missions
https://ntrs.nasa.gov/citations/20190014041

Exomoons and Exorings with the Habitable Worlds Observatory. I. On the Detection of Earth–Moon Analog Shadows and Eclipses
https://iopscience.iop.org/article/10.3847/1538-3881/ad4a75

Occurrence Rates of Exosatellites Orbiting 3–30 MJup Hosts from 44 Spitzer Light Curves
https://iopscience.iop.org/article/10.3847/1538-3881/ad4ed5

Stellar X-Ray Activity and Habitability Revealed by the ROSAT Sky Survey
https://iopscience.iop.org/article/10.3847/1538-4365/ad4b17

Enhancing Exoplanet Ephemerides by Leveraging Professional and Citizen Science Data: A Test Case with WASP-77 A b
https://iopscience.iop.org/article/10.1088/1538-3873/ad57f5

July 04, 2024 updates

The Beamed Lightsail Emerges
https://www.centauri-dreams.org/2024/07/03/the-beamed-lightsail-emerges/

Finding a Terraforming Civilization
https://www.centauri-dreams.org/2024/06/28/finding-a-terraforming-civilization/

On restrictions of current warp drive spacetimes and immediate possibilities of improvement
https://arxiv.org/abs/2407.00720

The GAPS Programme at TNG – LVI. Characterisation of the low-density gas giant HAT-P-67 b with GIARPS
https://www.aanda.org/articles/aa/full_html/2024/07/aa49116-23/aa49116-23.html

Self-Replication Without Hydrogen-Bonds: An Exobiotic Design
https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/chem.202401446

Adaptive Habitability of Exoplanets: Thriving Under Extreme Environmental Change
https://arxiv.org/abs/2407.02571

BOWIE-ALIGN: A JWST comparative survey of aligned vs misaligned hot Jupiters to test the dependence of atmospheric composition on migration history
https://arxiv.org/abs/2407.03198

BOWIE-ALIGN: How formation and migration histories of giant planets impact atmospheric compositions
https://arxiv.org/abs/2407.03199

July 03, 2024 updates

The Ambiguity of Exoplanet Biosignatures
https://www.centauri-dreams.org/2024/06/21/the-ambiguity-of-exoplanet-biosignatures/

Atmospherix – III. Estimating the C/O ratio and molecular dynamics at the limbs of WASP-76 b with SPIRou
https://www.aanda.org/articles/aa/full_html/2024/07/aa48879-23/aa48879-23.html

C/O Ratios and the Formation of Wide-separation Exoplanets
https://iopscience.iop.org/article/10.3847/2041-8213/ad5839

The Atmosphere of HD 149026b: Low Metal Enrichment and Weak Energy Transport
https://iopscience.iop.org/article/10.3847/1538-4357/ad452d

Asymmetries in the simulated ozone distribution on TRAPPIST-1e due to orography
https://arxiv.org/abs/2407.02444