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.

October 29, 2024 updates

Non-Thermal Processes of Nitric Oxide Formation during Precipitation of Auroral Electrons into the Upper Atmospheres of Terrestrial Planets
https://link.springer.com/article/10.1134/S1063772924700744

Disc and atmosphere composition of multi-planet systems
https://www.aanda.org/articles/aa/full_html/2024/11/aa49840-24/aa49840-24.html

Biases in Exoplanet Transmission Spectra Introduced by Limb-darkening Parametrization
https://iopscience.iop.org/article/10.3847/1538-3881/ad7aef

Empirical Stability Criteria for 3D Hierarchical Triple Systems. I. Circumbinary Planets
https://iopscience.iop.org/article/10.3847/1538-3881/ad7a78

Efficiently Searching for Close-in Companions Around Young M Dwarfs Using a Multiyear PSF Library
https://iopscience.iop.org/article/10.3847/1538-3881/ad769f

From the Shadows: The Impact of Nightside Thermal Emission on Ultrahot Jupiter Transmission Spectrum Retrievals
https://iopscience.iop.org/article/10.3847/1538-4357/ad6f9d

Detecting and sizing the Earth with PLATO: A feasibility study based on solar data
https://arxiv.org/abs/2410.20077

Revised Masses for Low Density Planets Orbiting the Disordered M-dwarf System TOI-1266
https://arxiv.org/abs/2410.20282

The VSPEC Collection: A suite of utilities to model spectroscopic phase curves of 3D exoplanet atmospheres in the presence of stellar variability
https://arxiv.org/abs/2410.21190

Planetary migration in wind-fed non-stationary accretion disks in binary systems
https://arxiv.org/abs/2410.20556

October 28, 2024 Updates

Earth-like exoplanets in spin-orbit resonances: climate dynamics, 3D atmospheric chemistry, and observational signatures
https://arxiv.org/abs/2410.19108

Implementation of Aerosol Mie Scattering in POSEIDON with Application to the hot Jupiter HD 189733 b’s Transmission, Emission, and Reflected Light Spectrum
https://arxiv.org/abs/2410.19253

Cold day-side winds shape large leading streams in evaporating exoplanet atmospheres
https://arxiv.org/abs/2410.19381

Assessing methods for telluric removal on atmospheric retrievals of high-resolution optical exoplanetary transmission spectra
https://arxiv.org/abs/2410.19588

Combining REBOUND and MESA: Dynamical Evolution of Planets Orbiting Interacting Binaries
https://arxiv.org/abs/2410.19695

Toward a Self-consistent Evaluation of Gas Dwarf Scenarios for Temperate Sub-Neptunes
https://iopscience.iop.org/article/10.3847/1538-4357/ad6c38

An experimental study of the biological impact of a superflare on the TRAPPIST-1 planets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae2433/7840392

October 25, 2024 updates

Collapse of Advanced Civilizations and Reason for Non-Contact by Extraterrestrials
https://www.tandfonline.com/doi/full/10.1080/14777622.2024.2419148

2024 Kavli Prize in Astrophysics
https://www.kavliprize.org/prizes/astrophysics/2024

Drifts of the substellar points of the TRAPPIST-1 planets
https://www.aanda.org/articles/aa/full_html/2024/11/aa51532-24/aa51532-24.html

No evidence for interstellar fireballs in the CNEOS database
https://www.aanda.org/articles/aa/full_html/2024/11/aa49569-24/aa49569-24.html

Discovery and characterization of a dense sub-Saturn TOI-6651b
https://www.aanda.org/articles/aa/full_html/2024/11/aa50934-24/aa50934-24.html

POSEIDON: A Multidimensional Atmospheric Retrieval Code for Exoplanet Spectra
https://arxiv.org/abs/2410.18181

Architecture of TOI-561 planetary system
https://arxiv.org/abs/2410.18169

CRIRES+ and ESPRESSO reveal an atmosphere enriched in volatiles relative to refractories on the ultra-hot Jupiter WASP-121b
https://arxiv.org/abs/2410.18183

Low-resolution Transit Spectroscopy of Three Hot Jupiters Using the 2m Himalayan Chandra Telescope
https://arxiv.org/abs/2410.18450

Detection of faculae in the transit and transmission spectrum of WASP-69b
https://arxiv.org/abs/2410.18663

Building a Planet Atmosphere: Fundamental Physics and Chemistry
https://arxiv.org/abs/2410.18943

Convective mixing in gas giant planets with primordial composition gradients
https://arxiv.org/abs/2407.09341

October 24, 2024 updates

A Multi-faceted exploration of potential life-holding environments in outer space: Unveiling the tapestry of habitability beyond Earth
https://www.researchgate.net/publication/385084716_A_Multi-faceted_exploration_of_potential_life-holding_environments_in_outer_space_Unveiling_the_tapestry_of_habitability_beyond_Earth

Antimatter does not Anti-Gravitate
https://www.internationalspacefed.com/blog/antimatter-does-not-anti-gravitate

Advanced Electric Propulsion Systems with Optimal Specific Impulses for Fast Interstellar Precursor Missions
https://www.researchgate.net/publication/385172298_Advanced_Electric_Propulsion_Systems_with_Optimal_Specific_Impulses_for_Fast_Interstellar_Precursor_Missions

Exoplanet Imaging Data Challenge, phase II: Comparison of algorithms in terms of characterization capabilities
https://arxiv.org/abs/2410.17636

Synthesis and stability of biomolecules in C-H-O-N fluids under Earth’s upper mantle conditions
https://arxiv.org/abs/2405.04839

The HUSTLE Program: The UV to Near-Infrared HST WFC3/UVIS G280 Transmission Spectrum of WASP-127b
https://arxiv.org/abs/2410.17368

Under the magnifying glass: A combined 3D model applied to cloudy warm Saturn type exoplanets around M-dwarfs
https://arxiv.org/abs/2410.17716

Linking the primordial composition of planet building disks to the present-day composition of rocky exoplanets
https://arxiv.org/abs/2410.17984

Unravelling sub-stellar magnetospheres
https://arxiv.org/abs/2410.18073

October 23, 2024 updates

Neural-Rendezvous: Provably Robust Guidance and Control to Encounter Interstellar Objects
https://arc.aiaa.org/doi/10.2514/1.G007671

Obliquities of exoplanet host stars – Nineteen new and updated measurements, and trends in the sample of 205 measurements
https://www.aanda.org/articles/aa/full_html/2024/10/aa50627-24/aa50627-24.html

Stellar Wind Contribution to the Origin of Water on the Surface of Oxygen-containing Minerals
https://iopscience.iop.org/article/10.3847/1538-4357/ad77cd

A Search for Collisions and Planet–Disk Interactions in the Beta Pictoris Disk with 26 Years of High-precision HST/STIS Imaging
https://iopscience.iop.org/article/10.3847/1538-4357/ad7369

Database of Candidate Targets for the LIFE Mission
https://iopscience.iop.org/article/10.3847/2515-5172/ad887e

Exomod: A Python Library for Exoplanet Transit Light Curve Fitting and Stacking with Background Simulation and Optimization
https://iopscience.iop.org/article/10.1088/1742-6596/2866/1/012064

Equation of State, Structure, and Transport Properties of Iron Hydride Melts at Planetary Interior Conditions
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2024JE008525

Reading Between the Rainbows: Comparative Exoplanet Characterisation through Molecule Agnostic Spectral Clustering
https://arxiv.org/abs/2410.16986

Giant branch systems: surveys and populations
https://arxiv.org/abs/2410.16482

Searching for Planets Orbiting Vega with the James Webb Space Telescope
https://arxiv.org/abs/2410.16551

Generative AI for Overall Mission Effectiveness at the Habitable Worlds Observatory
https://arxiv.org/abs/2410.16609

Effects of Planetary Parameters on Disequilibrium Chemistry in Irradiated Planetary Atmospheres: From Gas Giants to Sub-Neptunes
https://arxiv.org/abs/2410.17169