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 16, 2024 updates

Interstellar Colonization Compendium
https://www.youtube.com/watch?v=E8tp2emLJqw

Cosmic Channel Capacity: Extending the Shannon Limit to Universal Scales
https://osf.io/preprints/osf/vjy3p

25 years of exoplanet hunting hasn’t revealed Earth 2.0 — but is that what we’re looking for?
https://www.space.com/space-25-anniversary-exoplanet-history

Inhomogeneous terminators on the exoplanet WASP-39 b
https://www.nature.com/articles/s41586-024-07768-4

A roadmap for the atmospheric characterization of terrestrial exoplanets with JWST
https://www.nature.com/articles/s41550-024-02298-5

Equilibrium tides and magnetic activity in stars with close-by massive planets – The intriguing case of WASP-18
https://www.aanda.org/articles/aa/full_html/2024/07/aa48279-23/aa48279-23.html

Mind the trap. Non-negligible effect of volatile trapping in ice on C/O ratios in protoplanetary disks and exoplanetary atmospheres
https://www.aanda.org/articles/aa/full_html/2024/07/aa50405-24/aa50405-24.html

The GAPS programme at TNG – LVII. TOI-5076b: A warm sub-Neptune planet orbiting a thin-to-thick-disk transition star in a wide binary system
https://www.aanda.org/articles/aa/full_html/2024/07/aa49082-23/aa49082-23.html

JWST-TST High Contrast: Achieving Direct Spectroscopy of Faint Substellar Companions Next to Bright Stars with the NIRSpec Integral Field Unit
https://iopscience.iop.org/article/10.3847/1538-3881/ad5281

Transmission Spectroscopy Along the Transit of Venus: A Proxy for Exoplanets Atmospheric Characterization
https://www.preprints.org/manuscript/202407.0928/v1

Permanent Capture into the Solar System
https://arxiv.org/abs/2407.09560

PEPSI Investigation, Retrieval, and Atlas of Numerous Giant Atmospheres (PIRANGA). I. The Ubiquity of Fe I Emission and Inversions in Ultra Hot Jupiter Atmospheres
https://arxiv.org/abs/2407.09643

Astro-COLIBRI: Empowering Citizen Scientists in Time Domain Astronomy
https://arxiv.org/abs/2407.10821

Exploring the Dyson Ring: Parameters, Stability and Helical Orbit
https://arxiv.org/abs/2407.10624

July 15, 2024 Updates

Searching for Protoplanets around MWC 758 and MWC 480 in Br-γ using Kernel Phase and SCExAO/CHARIS
https://arxiv.org/abs/2407.08832

Hot Spot Offset Variability from Magnetohydrodynamical Thermoresistive Instability in Hot Jupiters
https://arxiv.org/abs/2407.08960

Probing Cold-to-Temperate Exoplanetary Atmospheres: The Role of Water Condensation on Surface Identification with JWST
https://arxiv.org/abs/2407.09009

The effect of spectroscopic binning on atmospheric retrievals
https://arxiv.org/abs/2407.09296

Convective mixing in giant planets and the connection to atmospheric measurements
https://arxiv.org/abs/2407.09341

A grid of self-consistent MSG (MARCS-StaticWeather-GGchem) cool stellar, sub-stellar, and exoplanetary model atmospheres
https://arxiv.org/abs/2407.09397

July 12, 2024 updates

Challenging the Entanglement No Communication Theorem: Implications and Paradoxes in Quantum Mechanics
https://www.researchgate.net/publication/382063082_Challenging_the_Entanglement_No_Communication_Theorem_Implications_and_Paradoxes_in_Quantum_Mechanics

Manipulating the McGinty Equation to Create Stable Micro-Wormholes
https://unisciencepub.com/abstract/manipulating-the-mcginty-equation-to-create-stable-micro-wormholes/

Will we use Micro Black Holes to Power Spacetime Warping for Creating Micro Wormholes?
https://unisciencepub.com/wp-content/uploads/2024/06/Will-we-use-Micro-Black-Holes-to-Power-Spacetime-Warping-for-Creating-Micro-Wormholes.pdf

Equilibrium tides and magnetic activity in stars with close-by massive planets – The intriguing case of WASP-18
https://www.aanda.org/articles/aa/full_html/2024/07/aa48279-23/aa48279-23.html

Updated Spectral Characteristics for the Ultracool Dwarf TRAPPIST-1
https://iopscience.iop.org/article/10.3847/2041-8213/ad5c6c

Enhancing 3D Planetary Atmosphere Simulations with a Surrogate Radiative Transfer Model
https://arxiv.org/abs/2407.08556

Astrophotonic Technologies
https://arxiv.org/abs/2407.03981

July 11, 2024 updates

On the Heuristic Point of View of Interstellar Travel Model (Electromagnetic Pulse Propulsion); A Weapon of Mass Destruction?
https://essopenarchive.org/doi/full/10.22541/essoar.172048608.81701957/v1

What are Dyson spheres, and how do we look for them?
https://www.space.com/dyson-sphere.html

When the Anomalistic, Draconitic and Sidereal Orbital Periods Do Not Coincide: The Impact of Post-Keplerian Perturbing Accelerations
https://www.mdpi.com/2813-9526/1/1/2

Landau Tidal Damping and Major-Body Clustering in Solar and Extrasolar Subsystems
https://www.mdpi.com/2674-0346/3/2/10

Improving Inferences about Exoplanet Habitability
https://www.mdpi.com/2673-9984/9/1/7

Exploring the Effects of Stellar Magnetism on the Potential Habitability of Exoplanets
https://iopscience.iop.org/article/10.3847/1538-4357/ad4605

JWST reveals interior structure of puffy exoplanet WASP-107 b
https://iopscience.iop.org/article/10.1088/2058-7058/37/07/03

Do SETI Optimists Have a Fine-Tuning Problem?
https://arxiv.org/abs/2407.07097

TOI 762 A b and TIC 46432937 b: Two Giant Planets Transiting M Dwarf Stars
https://arxiv.org/abs/2407.07187

Quantitative Criteria for Defining Planets
https://arxiv.org/abs/2407.07590

High-resolution Elemental Abundance Measurements of Cool JWST Planet Hosts Using AutoSpecFit: An Application to the Sub-Neptune K2-18b’s Host M dwarf
https://arxiv.org/abs/2407.07869

Pentagonal Photonic Crystal Mirrors: Scalable Lightsails with Enhanced Acceleration via Neural Topology Optimization
https://arxiv.org/abs/2407.07896

July 10, 2024 updates

A benchmark JWST near-infrared spectrum for the exoplanet WASP-39 b
https://www.nature.com/articles/s41550-024-02292-x

Co‐evolution of early Earth environments and microbial life
https://www.nature.com/articles/s41579-024-01044-y

We need to consider alternatives to dark matter that better explain cosmological observations
https://phys.org/news/2024-07-alternatives-dark-cosmological.html

TOpI-2447 b / NGTS-29 b: a 69-day Saturn around a Solar analogue
https://academic.oup.com/mnras/article/532/2/1444/7708212

Sunbeam: Near-Sun Statites as Beam Platforms for Beam-Driven Rockets
https://www.sciencedirect.com/science/article/abs/pii/S0094576524003837

Interstellar Objects in the Solar System
https://arxiv.org/abs/2407.06475

Finding planets via gravitational microlensing
https://arxiv.org/abs/2407.06689

Peering above the clouds of the warm Neptune GJ 436b with CRIRES+
https://arxiv.org/abs/2407.06707

NEMESISPY: A Python package for simulating and retrieving exoplanetary spectra
https://arxiv.org/abs/2407.06932

Assessing Exoplanetary System Architectures with DYNAMITE Including Observational Upper Limits
https://arxiv.org/abs/2407.06300

Study of Matter-Antimatter Annihilation as Source of Energy to Power Interstellar Probe
https://www.researchgate.net/publication/382049783_Study_of_Matter-Antimatter_Annihilation_as_Source_of_Energy_to_Power_Interstellar_Probe