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.

April 28, 2023 updates

The shared evaporation history of three sub-Neptunes spanning the radius–period valley of a hyades star
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stad1257/7146232

Validation of TOI-1221 b: A Warm Sub-Neptune Exhibiting Transit Timing Variations around a Sun-like Star
https://iopscience.iop.org/article/10.3847/1538-3881/acc8d4

Debris Rings from Extrasolar Irregular Satellites
https://arxiv.org/abs/2304.13753

Combined analysis of stellar and planetary absorption lines via global forward-transit simulations
https://arxiv.org/abs/2304.13759

Simulation of the Earth’s radio leakage from mobile towers as seen from selected nearby stellar systems
https://arxiv.org/abs/2304.13779

High-contrast detection of exoplanets with a kernel-nuller at the VLTI
https://arxiv.org/abs/2304.14193

Distinguishing a planetary transit from false positives: a Transformer-based classification for planetary transit signals
https://arxiv.org/abs/2304.14283

April 27, 2023 updates

The Gods Subsist – Possible Worlds, Set Theory and Theory and the Anthropic Principle
https://osf.io/preprints/socarxiv/nk8de/

Visualizing Ultrafast Kinetic Instabilities in Laser-Driven Solids using X-ray Scattering
https://arxiv.org/abs/2304.11011

Mission Design of an Aperture-Synthetic Interferometer System for Space-Based Exoplanet Exploration
https://spj.science.org/doi/10.34133/2022/9835234

China proposes alien planet mission to hunt habitable worlds by scanning wobbling stars
https://www.space.com/china-habitable-exoplanet-mission

Envisioning the next generation of space telescopes
https://spacenews.com/envisioning-the-next-generation-of-space-telescopes/

CO or no CO? Narrowing the CO abundance constraint and recovering the H2O detection in the atmosphere of WASP-127 b using SPIRou
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stad1247/7143783

Toward 3D Retrieval of Exoplanet Atmospheres: Assessing Thermochemical Equilibrium Estimation Methods
https://iopscience.iop.org/article/10.3847/PSJ/acc939

Carbon-rich icy moons and dwarf planets
https://www.sciencedirect.com/science/article/pii/S0012821X23001851

Narrow loophole for H2-dominated atmospheres on habitable rocky planets around M dwarfs
https://arxiv.org/abs/2304.13659

X-ray Activity Variations and Coronal Abundances of the Star-Planet Interaction candidate HD 179949
https://arxiv.org/abs/2211.01011

April 26, 2023 updates

How tidal waves interact with convective vortices in rapidly rotating planets and stars
https://www.aanda.org/articles/aa/full_html/2023/05/aa43586-22/aa43586-22.html

Enabling Exoplanet Demographics Studies with Standardized Exoplanet Survey Meta-Data
https://arxiv.org/abs/2304.12442

Bioverse: A Comprehensive Assessment of the Capabilities of Extremely Large Telescopes to Probe Earth-like O2 Levels in Nearby Transiting Habitable Zone Exoplanets
https://arxiv.org/abs/2304.12490

Orbital Architectures of Kepler Multis From Planet-Planet Scattering
https://arxiv.org/abs/2304.12352

The shared evaporation history of three sub-Neptunes spanning the radius-period valley of a Hyades star
https://arxiv.org/abs/2304.12705

Giants are bullies: how their growth influences systems of inner sub-Neptunes and super-Earths
https://arxiv.org/abs/2304.12758

Exoplanets as Sub-GeV Dark Matter Detectors
https://arxiv.org/abs/2010.00015

April 25, 2023 updates

Comet 2I/Borisov in Comparison with Comets of the Solar System https://link.springer.com/article/10.1134/S0038094623010021

Kinematic Evidence of an Embedded Protoplanet in HD 142666 Identified by Machine Learning
https://iopscience.iop.org/article/10.3847/1538-4357/acc737

Warm giant exoplanet characterisation: current state, challenges and outlook
https://www.frontiersin.org/articles/10.3389/fspas.2023.1179000

Prospects for the characterization of habitable planets
https://arxiv.org/abs/2304.11570

Lorenz Energy Cycle: Another Way to Understand the Atmospheric Circulation on Tidally Locked Terrestrial Planets
https://arxiv.org/abs/2304.11627

GJ3470-d and GJ3470-e: Discovery of Co-Orbiting Exoplanets in a Horseshoe Exchange Orbit
https://arxiv.org/abs/2304.11769

Tidal dissipation in stratified and semi-convective regions of giant planets
https://arxiv.org/abs/2304.11898

Detection of carbon monoxide’s 4.6 micron fundamental band structure in WASP-39b’s atmosphere with JWST NIRSpec G395H
https://arxiv.org/abs/2304.11994

WASP-131 b with ESPRESSO I: A bloated sub-Saturn on a polar orbit around a differentially rotating solar-type star
https://arxiv.org/abs/2304.12163

April 24, 2023 updates

Mechanical Energy Metamaterials in Interstellar Travel
https://www.sciencedirect.com/science/article/abs/pii/S0079642523000646

Exoplanet Nodal Precession Induced by Rapidly Rotating Stars: Impacts on Transit Probabilities and Biases
https://arxiv.org/abs/2304.09890

There’s more to life than O2: Simulating the detectability of a range of molecules for ground-based high-resolution spectroscopy of transiting terrestrial exoplanets
https://arxiv.org/abs/2304.10683

Exploring the stellar surface phenomena of WASP-52 and HAT-P-30 with ESPRESSO
https://arxiv.org/abs/2304.11022