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 10, 2024 updates

Is There a Synchronizing Influence of Planets on Solar and Stellar Cyclic Activity?
https://link.springer.com/article/10.1007/s11207-024-02365-0

Machine learning for exoplanet detection in high-contrast spectroscopy – Combining cross-correlation maps and deep learning on medium-resolution integral-field spectra
https://www.aanda.org/articles/aa/full_html/2024/09/aa49150-24/aa49150-24.html

Machine learning for exoplanet detection in high-contrast spectroscopy – Revealing exoplanets by leveraging hidden molecular signatures in cross-correlated spectra with convolutional neural networks
https://www.aanda.org/articles/aa/full_html/2024/09/aa49149-24/aa49149-24.html

The high-energy environment of the heavy sub-Earth GJ 367 b indicates likely complete evaporation of its atmosphere
https://www.aanda.org/articles/aa/full_html/2024/09/aa49351-24/aa49351-24.html

Detection of transiting exoplanets and phase-folding their host star’s light curves from K2 data with 1D-CNN
https://academic.oup.com/jigpal/advance-article-abstract/doi/10.1093/jigpal/jzae106/7749850

High-resolution Dayside Spectroscopy of WASP-189 b: Detection of Iron during the GHOST/Gemini South System Verification Run
https://iopscience.iop.org/article/10.3847/1538-3881/ad643f

Revisiting WASP-19b’s Orbital Evolution: New TESS Data and Apsidal Precession Analysis
https://iopscience.iop.org/article/10.3847/2515-5172/ad77a6

Plasma Propulsion for Interstellar Travel
https://www.researchgate.net/publication/383847390_Plasma_Propulsion_for_Interstellar_Travel

Biases in Exoplanet Transmission Spectra Introduced by Limb Darkening Parametrization
https://www.researchgate.net/publication/383863588_Biases_in_Exoplanet_Transmission_Spectra_Introduced_by_Limb_Darkening_Parametrization

Ab initio quantum dynamics as a scalable solution to the exoplanet opacity challenge: A case study of CO2 in hydrogen atmosphere
https://arxiv.org/abs/2409.04439

DeepTTV: Deep Learning Prediction of Hidden Exoplanet From Transit Timing Variations
https://arxiv.org/abs/2409.04557

Advancing Machine Learning for Stellar Activity and Exoplanet Period Rotation
https://arxiv.org/abs/2409.05482

Formation of Close-in Neptunes Around Low-Mass Stars Through Breaking Resonant Chains
https://arxiv.org/abs/2409.05748

Unveiling habitable planets: Toy coronagraph tackles the exozodiacal dust challenge
https://arxiv.org/abs/2409.05797

September 09, 2024 Updates

An Improbable Pursuit – Introduction to the Current Thinking on Faster-Than-Light (FTL) Travel
https://i4is.org/wp-content/uploads/2024/08/An-Improbable-Pursuit-Principium46-2408260749comp.pdf

The Cosmic Challenge – Why Quantum Entanglement Won’t Deliver The Ansible
https://i4is.org/wp-content/uploads/2024/08/The-Cosmic-Challenge-Principium46-2408260749comp-3.pdf

Solo planets may be surprisingly common
https://foogue.com/article/solo-planets-may-be-surprisingly-common

Traversable wormhole with GUP corrected Casimir effect in f(R, Lm) gravity
https://www.sciencedirect.com/science/article/abs/pii/S0003491624001957

Biases in Exoplanet Transmission Spectra Introduced by Limb Darkening Parametrization
https://arxiv.org/abs/2409.03812

Searching for Additional Planets in TESS Multi-Planet Systems: Testing Empirical Models Based on Kepler Data
https://arxiv.org/abs/2409.03852

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://arxiv.org/abs/2409.03984

Progress report on the BEBOP search for circumbinary planets with radial velocities
https://arxiv.org/abs/2409.04191

Reliable Detections of Atmospheres on Rocky Exoplanets with Photometric JWST Phase Curves
https://arxiv.org/abs/2409.04386

September 06, 2024 updates

On the age and metallicity of planet-hosting triple star systems
https://link.springer.com/article/10.1007/s10509-024-04351-1

ESPRESSO reveals blueshifted neutral iron emission lines on the dayside of WASP-76 b
https://www.aanda.org/articles/aa/full_html/2024/09/aa49935-24/aa49935-24.html

Machine learning for exoplanet detection in high-contrast spectroscopy – Combining cross-correlation maps and deep learning on medium-resolution integral-field spectra
https://www.aanda.org/articles/aa/full_html/2024/09/aa49150-24/aa49150-24.html

Machine learning for exoplanet detection in high-contrast spectroscopy – Revealing exoplanets by leveraging hidden molecular signatures in cross-correlated spectra with convolutional neural networks
https://www.aanda.org/articles/aa/full_html/2024/09/aa49149-24/aa49149-24.html

Von Zeipel-Lidov-Kozai secondary resonances can enhance the excitation of planetary eccentricity
https://www.aanda.org/articles/aa/full_html/2024/09/aa50912-24/aa50912-24.html

Towards real-time contrast control for direct exoplanet imaging with adaptive optics
https://www.sciencedirect.com/science/article/abs/pii/S0030401824007831

The K2-24 planetary system revisited by CHEOPS
https://arxiv.org/abs/2409.02995

Up, Up, and Away: Winds and Dynamical Structure as a Function of Altitude in the Ultra-Hot Jupiter WASP-76b
https://arxiv.org/abs/2409.03124

Mid-order wavefront control for exoplanet imaging: preliminary characterization of the segmented deformable mirror and Zernike wavefront sensor on HiCAT
https://arxiv.org/abs/2409.03411

Panopticon: a novel deep learning model to detect single transit events with no prior data filtering in PLATO light curves
https://arxiv.org/abs/2409.03466

Polar Neptunes are Stable to Tides
https://arxiv.org/abs/2409.03679

Towards a self-consistent evaluation of gas dwarf scenarios for temperate sub-Neptunes
https://arxiv.org/abs/2409.03683

TOI-3568 b: a super-Neptune in the sub-Jovian desert
https://arxiv.org/abs/2409.03704

September 05, 2024 updates

Gravitational instability in a planet-forming disk
https://www.nature.com/articles/s41586-024-07877-0

Life on alien planets probably wouldn’t experience day and night—here’s how that may change evolution
https://phys.org/news/2024-09-life-alien-planets-wouldnt-day.html

Exocomet orbital distribution around β Pictoris
https://www.aanda.org/articles/aa/full_html/2024/09/aa44087-22/aa44087-22.html

κ Andromedae b Is a Fast Rotator from KPIC High-resolution Spectroscopy
https://iopscience.iop.org/article/10.3847/1538-3881/ad4ecf

An Earth-Mass Planet and a Brown Dwarf in Orbit Around a White Dwarf
https://arxiv.org/abs/2409.02157

Orbital Architectures of Planet-Hosting Binaries III. Testing Mutual Inclinations of Stellar and Planetary Orbits in Triple-Star Systems
https://arxiv.org/abs/2409.02223

The Wanderer: Charting WASP-77A b’s Formation and Migration Using a System-Wide Inventory of Carbon and Oxygen Abundances
https://arxiv.org/abs/2409.02286

Do anomalously-dense hot Jupiters orbit stealth binary stars?
https://arxiv.org/abs/2409.02639

Horseshoes and spiral waves: capturing the 3D flow induced by a low-mass planet analytically
https://arxiv.org/abs/2409.02687

RISTRETTO: reflected-light exoplanet spectroscopy at the diffraction limit of the VLT
https://arxiv.org/abs/2409.02875

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

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