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 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

July 02, 2024 updates

Unveiling the Cosmos: A Multifaceted Search for Extraterrestrial Intelligence (SETI) in the Era of Advanced Technologies
https://ejsit-journal.com/index.php/ejsit/article/view/448

Accurate reference spectra of HD in an H2–He bath for planetary applications
https://www.aanda.org/articles/aa/full_html/2024/07/aa49889-24/aa49889-24.html

Systematic KMTNet Planetary Anomaly Search. XII. Complete Sample of 2017 Subprime Field Planets
https://iopscience.iop.org/article/10.3847/1538-3881/ad4ce5

Formation of planetary atmospheres: Analytical estimation of vapor production via planetary impacts
https://arxiv.org/abs/2407.00349

Towards characterising rocky worlds: Trends in chemical make-ups of M dwarfs versus GK dwarfs
https://arxiv.org/abs/2407.01177

Evidence of Water Vapor in the Atmosphere of a Metal-Rich Hot Saturn with High-Resolution Transmission Spectroscopy
https://arxiv.org/abs/2407.01266

How Land-Mass Distribution Influences the Atmospheric Dynamics of Tidally Locked Terrestrial Exoplanets
https://arxiv.org/abs/2407.01480

Replication of filtered interferometer measurements in interstellar communications
https://arxiv.org/abs/2407.00447

July 01, 2024 Updates

Interstellar Exploration: From Science Fiction to Actual Technology
https://www.sciencedirect.com/science/article/pii/S0094576524003655

Shoulder of Dust Rings Formed by Planet-disk Interactions
https://arxiv.org/abs/2406.19438

Water Evolution & Inventories of Super-Earths Orbiting Late M-Dwarfs
https://arxiv.org/abs/2406.19923

The Solar System could have formed in a low-viscosity disc: A dynamical study from giant planet migration to the Nice model
https://arxiv.org/abs/2406.20075

TESS Hunt for Young and Maturing Exoplanets (THYME). X. A Two-planet System in the 210 Myr MELANGE-5 Association
https://iopscience.iop.org/article/10.3847/1538-3881/ad4993

The Nonsingular Estimator for Exoplanet Orbits: An Unscented Batch Estimation Method for Direct Imaging Measurements
https://iopscience.iop.org/article/10.3847/1538-3881/ad4a5e

SPHERE RefPlanets: Search for ε Eridani b and warm dust
https://www.aanda.org/articles/aa/full_html/2024/07/aa49442-24/aa49442-24.html