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.

September 04, 2024 updates

Scientific Validity of the UFO Phenomenon: Intergalactic/Interstellar Superluminal Manned Propulsion, Using the Atom
https://www.researchgate.net/publication/383457532_Scientific_Validity_of_the_UFO_Phenomenon_IntergalacticInterstellar_Superluminal_Manned_Propulsion_Using_the_Atom

Trajectory of the stellar flyby that shaped the outer Solar System
https://www.nature.com/articles/s41550-024-02349-x

Equivocal encounters: alien visitation claims as a societal problem
https://kclpure.kcl.ac.uk/portal/en/publications/equivocal-encounters-alien-visitation-claims-as-a-societal-proble

Influence of planets on debris discs in star clusters – II. The impact of stellar density
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae2067/7748742

Searching for tidal orbital decay in hot Jupiters
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae2062/7748735

A Comparative Simulation Study of Hot and Ultrahot Jupiter Atmospheres Using Different Ground-based High-resolution Spectrographs with Cross-correlation Spectroscopy
https://iopscience.iop.org/article/10.3847/1538-4357/ad5a97

Irregular Moons Possibly Injected from the Outer Solar System by a Stellar Flyby
https://iopscience.iop.org/article/10.3847/2041-8213/ad63a6

squishyplanet: Modeling Transits of Non-spherical Exoplanets in JAX
https://arxiv.org/abs/2409.00167

Standing on the Shoulders of Giants: A Comprehensive Spectroscopic Survey of Transiting & High-Contrast Giant Planets
https://arxiv.org/abs/2409.00190

The dark days are overcast: Iron-bearing clouds on HD 209458 b and WASP-43 b can explain low dayside albedos
https://arxiv.org/abs/2409.00249

Misaligned Disk and Stellar Oblateness Driven Sculpting of Exoplanetary Systems: Origin of Perpendicular Orbits in HD 3167
https://arxiv.org/abs/2409.00506

The GAPS Programme at TNG. LXI. Atmospheric parameters and elemental abundances of TESS young exoplanet host stars
https://arxiv.org/abs/2409.00675

Why heterogeneous cloud particles matter: Iron-bearing species and cloud particle morphology affects exoplanet transmission spectra
https://arxiv.org/abs/2409.01121

RedDots: Limits on habitable and undetected planets orbiting nearby stars GJ 832, GJ 674, and Ross 128
https://arxiv.org/abs/2409.01173

TOI-2379 b and TOI-2384 b: two super-Jupiter mass planets transiting low-mass host stars
https://arxiv.org/abs/2409.01239

Searching for GEMS: TOI-5688 A b, a low-density giant orbiting a high-metallicity early M-dwarf
https://arxiv.org/abs/2409.01371

The GAPS programme at TNG LX Atmospheric characterisation of KELT-9 b via single-line analysis: Detection of six H I Balmer lines, Na I, Ca I, Ca II, Fe I, Fe II, Mg I, Ti II, Sc II, and Cr II
https://arxiv.org/abs/2409.01779

ESCAPE project: investigating active observing strategies and post-processing methods for exoplanet high-contrast imaging with future space missions
https://arxiv.org/abs/2409.02019

Projections of Earth’s technosphere. I. Scenario modeling, worldbuilding, and overview of remotely detectable technosignatures
https://arxiv.org/abs/2409.00067

September 03, 2024 updates

Breaking Gravity: Exploring Speculative Mechanisms to Shield or Disrupt Gravitational Forces
https://www.researchgate.net/publication/383484013_Breaking_Gravity_Exploring_Speculative_Mechanisms_to_Shield_or_Disrupt_Gravitational_Forces

Chemistry Analysis for the Origin of Life in Protoplanetary Disks
https://eartharxiv.org/repository/view/7624/

Characterisation of the warm-Jupiter TOI-1130 system with CHEOPS and a photo-dynamical approach
https://www.aanda.org/articles/aa/full_html/2024/09/aa50974-24/aa50974-24.html

The 𝒯ℛ𝒪𝒴 project – III. Exploring co-orbitals around low-mass stars
https://www.aanda.org/articles/aa/full_html/2024/09/aa50717-24/aa50717-24.html

Atmospheric Ion Escape and Solar Wind Deposition as a Function of Planetary Radius
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae2032/7747978

Proca stars in wormhole spacetime
https://iopscience.iop.org/article/10.1088/1475-7516/2024/09/010

Searching for Neutral Hydrogen Escape from the 120 Myr Old Sub-Neptune HIP94235b using HST
https://iopscience.iop.org/article/10.3847/1538-3881/ad6a53

Water Evolution and Inventories of Super-Earths Orbiting Late M Dwarfs
https://iopscience.iop.org/article/10.3847/1538-4357/ad6444

Precise Transit Photometry Using TESS. II. Revisiting 28 Additional Transiting Systems with Updated Physical Properties
https://iopscience.iop.org/article/10.3847/1538-4365/ad6a60

mardigras: A Visualization Tool of Theoretical Mass–Radius Relations in the Context of Planetary Science
https://iopscience.iop.org/article/10.3847/2515-5172/ad7506

Separating Super-Puffs vs. Hot Jupiters Among Young Puffy Planets
https://arxiv.org/abs/2408.16793

The MIRI Exoplanets Orbiting White Dwarfs (MEOW) Survey: Mid-Infrared Excess Reveals a Giant Planet Candidate around a Nearby White Dwarf
https://arxiv.org/abs/2408.16813

Role of magma oceans in controlling carbon and oxygen of sub-Neptune atmospheres
https://arxiv.org/abs/2408.17056

Discovery and characterization of a dense sub-Saturn TOI-6651b
https://arxiv.org/abs/2408.17179

Beyond Earthly Limits: Protection against Cosmic Radiation through Biological Response Pathways
https://arxiv.org/abs/2405.12151

September 02, 2024 Updates

Traversable Wormhole Solutions utilizing Karmarkar Condition in $f(\mathcal{R}, \mathcal{G})$ Gravity
https://iopscience.iop.org/article/10.1088/1572-9494/ad745f

Are Stars Really Ingesting their Planets? Examining an Alternative Explanation
https://arxiv.org/abs/2408.15326

Warp Drives and Closed Timelike Curves
https://iopscience.iop.org/article/10.1088/1361-6382/ad74d1

Extraterrestrial Life: Plasmas, UAP, Shape Shifters, Replicons, Thunderstorms, Hallucinations, Aircraft Disasters, Unidentified Ocean Phenomenon
https://www.researchgate.net/publication/383034675_Extraterrestrial_Life_Plasmas_UAP_Shape_Shifters_Replicons_Thunderstorms_Unidentified_Ocean_Phenomenon

Separating Super-Puffs vs. Hot Jupiters Among Young Puffy Planets
https://arxiv.org/abs/2408.16793

A false positive transit candidate for EPIC 211101996 from K2 and TESS data identified as background eclipsing binary Gaia DR3 66767847894609792
https://arxiv.org/abs/2408.16797

The MIRI Exoplanets Orbiting White Dwarfs (MEOW) Survey: Mid-Infrared Excess Reveals a Giant Planet Candidate around a Nearby White Dwarf
https://arxiv.org/abs/2408.16813

Unveiling the HD 95086 system at mid-infrared wavelengths with JWST/MIRI
https://arxiv.org/abs/2408.16843

Role of magma oceans in controlling carbon and oxygen of sub-Neptune atmospheres
https://arxiv.org/abs/2408.17056

Discovery and characterization of a dense sub-Saturn TOI-6651b
https://arxiv.org/abs/2408.17179

A hybrid approach to generating diatomic line lists for high resolution studies of exoplanets and other hot astronomical objects: Updates to ExoMol MgO, TiO and VO line lists
https://academic.oup.com/rasti/advance-article/doi/10.1093/rasti/rzae037/7746432?searchresult=1

Exoplanet Harmony: Confirming Kepler’s Third Law with Kepler and TESS Discoveries
https://iopscience.iop.org/article/10.3847/2515-5172/ad74d9

PT-symmetry in one-way wormholes
https://www.sciencedirect.com/science/article/abs/pii/S0003491624001726

We might finally know what made the mysterious Wow! signal
https://www.sciencedirect.com/science/article/abs/pii/S0262407924015495

August 30, 2024 updates

Simulating the characteristics of extra-terrestrial civilizations that encounter Earth
https://knuthlab.org/papers/knuth—kavli-2024—galactic-colonization.pdf

Kavli-IAU Symposium (IAUS 387): (Toward) Discovery of Life Beyond Earth and its Impact
https://www.iau.org/science/meetings/past/2784/

On the physical foundations of interstellar space travel
https://buchshop.bod.de/on-the-physical-foundations-of-interstellar-space-travel-erik-kolek-9783759731159

All-optical damping forces enhanced by metasurfaces for stable relativistic lightsail propulsion
https://arxiv.org/abs/2408.14486

The Detection and Investigation of Exoplanets with MASTER Global Network Telescopes
https://link.springer.com/article/10.1134/S1063772924700513

Radial velocity homogeneous analysis of M dwarfs observed with HARPS – I. Exoplanet detection and candidates
https://www.aanda.org/articles/aa/full_html/2024/09/aa46570-23/aa46570-23.html

High-energy spectra of LTT 1445A and GJ 486 reveal flares and activity
https://www.aanda.org/articles/aa/full_html/2024/09/aa50107-24/aa50107-24.html

TOI-2379 b & TOI-2384 b: Two super-Jupiter mass planets transiting low-mass host stars
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae2034/7745505

On the wormhole-warp drive correspondence
https://iopscience.iop.org/article/10.1088/1475-7516/2024/08/061

LIGO-Virgo-KAGRA Limit on Relativistic Interstellar Objects near Earth
https://iopscience.iop.org/article/10.3847/2515-5172/ad73da

No Thick Atmosphere on the Terrestrial Exoplanet Gl 486b
https://www.researchgate.net/publication/383460711_No_Thick_Atmosphere_on_the_Terrestrial_Exoplanet_Gl_486b

The Application of Machine Learning in Tidal Evolution Simulation of Star-Planet Systems
https://arxiv.org/abs/2408.16212

Impact of oxygen fugacity on atmospheric structure and emission spectra of ultra hot rocky exoplanets
https://arxiv.org/abs/2408.16548

August 29, 2024 updates

Simulating AI-Extraterrestrial Communication: Exploring Theoretical Models and Experimental Approaches
https://www.researchgate.net/publication/383275551_Simulating_AI-Extraterrestrial_Communication_Exploring_Theoretical_Models_and_Experimental_Approaches

Emergent AI Phenomena: The First Signs of Communication with Unknown Civilizations
https://www.researchgate.net/publication/383275384_Emergent_AI_Phenomena_The_First_Signs_of_Communication_with_Unknown_Civilizations

Phosphorus Availability from Olivine for Biospheres
https://www.frontiersin.org/journals/astronomy-and-space-sciences/articles/10.3389/fspas.2024.1441187/abstract

On Christianity and Notions about Extraterrestrials: in the Labyrinth of Multiplicity, Eschatology, Myths and Historical Consciousness
https://www.unipo.sk/public/media/31344/Theologos2024-1.pdf#page=92

A unified framework for global auroral morphologies of different planets
https://www.nature.com/articles/s41550-024-02270-3

Alternative Pathways in Astrobiology: Reviewing and Synthesizing Contingency and Non-Biomolecular Origins of Terrestrial and Extraterrestrial Life
https://www.mdpi.com/2075-1729/14/9/1069

Fate of a remnant solid disk around an eccentric giant planet
https://www.aanda.org/articles/aa/full_html/2024/09/aa49897-24/aa49897-24.html

Surviving in the Hot-Neptune Desert: The Discovery of the Ultrahot Neptune TOI-3261b
https://iopscience.iop.org/article/10.3847/1538-3881/ad60be

On the Dynamical Erasure of Initial Conditions in Multi-planetary Systems
https://iopscience.iop.org/article/10.3847/2515-5172/ad7380

The Way To Circumbinary Planets
https://arxiv.org/abs/2408.15307

Can metal-rich worlds form by giant impacts?
https://arxiv.org/abs/2408.15340

Low abundances of TiO and VO on the Dayside of KELT-9 b: Insights from Ground-Based Photometric Observations
https://arxiv.org/abs/2408.15698

Atmospheric retrievals suggest the presence of a secondary atmosphere and possible sulfur species on L 98-59 d from JWST NIRSpec G395H transmission spectroscopy
https://arxiv.org/abs/2408.15707

Hints of a sulfur-rich atmosphere around the 1.6 R⊕ Super-Earth L98-59 d from JWST NIRSpec G395H transmission spectroscopy
https://arxiv.org/abs/2408.15855