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.

February 18, 2025 updates

The Living Galaxy: Winners and Losers in the Milky Way
https://www.barnesandnoble.com/w/the-living-galaxy-eugenio-mieli/1145891502

From clouds to cores : advancing the understanding of irradiated giant exoplanets
https://rosdok.uni-rostock.de/resolve/id/rosdok_disshab_0000003218

A reassessment of the “hard-steps” model for the evolution of intelligent life
https://www.science.org/doi/10.1126/sciadv.ads5698

Characterising WASP-43b’s interior structure: Unveiling tidal decay and apsidal motion
https://www.aanda.org/articles/aa/full_html/2025/02/aa51994-24/aa51994-24.html

Dynamics of the β Pictoris planetary system and possibility of an additional planet
https://www.aanda.org/articles/aa/full_html/2025/02/aa52632-24/aa52632-24.html

The role of cloud particle properties in the WASP-39b transmission spectrum based on JWST/NIRSpec observations
https://www.aanda.org/articles/aa/full_html/2025/02/aa50142-24/aa50142-24.html

The brine shrimp Artemia franciscana as a model for astrobiological studies: Physiological adaptations to Mars-like atmospheric pressure conditions
https://www.sciencedirect.com/science/article/abs/pii/S1095643325000236

Time Tacking: Practical Approach to Interstellar Travel
https://ej-physics.org/index.php/ejphysics/article/view/367

GJ 2126 b: A highly eccentric Jovian exoplanet
https://arxiv.org/abs/2502.11139

New perspectives on MASCARA-1b: A combined analysis of pre- and post-eclipse emission data using CRIRES+
https://arxiv.org/abs/2502.11180

Searching for Low-Mass Exoplanets Amid Stellar Variability with a Fixed Effects Linear Model of Line-by-Line Shape Changes
https://arxiv.org/abs/2502.11930

February 17, 2025 Updates

Performance and Optimization of Coding Techniques for Deep Space Communication Channels
https://ieeexplore.ieee.org/abstract/document/10869659

Review of Autonomous Optical Navigation for Deep Space Exploration
https://ieeexplore.ieee.org/abstract/document/10884870

The Architecture of the Universe: A Look into Extraterrestrial Civilizations
https://www.academia.edu/77823929/

Detection of a Peculiar Noise Type in the TESS “Fast” Light Curves
https://iopscience.iop.org/article/10.3847/2515-5172/adb3aa

Habitable Zone and Atmosphere Retention Distance (HaZARD) Stellar-evolution-dependent loss models of secondary atmospheres
https://arxiv.org/abs/2502.09702

The Pandora SmallSat: A Low-Cost, High Impact Mission to Study Exoplanets and Their Host Stars
https://arxiv.org/abs/2502.09730

ExoMiner++ on TESS with Transfer Learning from Kepler: Transit Classification and Vetting Catalog for 2-min Data
https://arxiv.org/abs/2502.09790

A primordial radius valley as a consequence of planet formation
https://arxiv.org/abs/2502.10186

February 14, 2025 updates

The Asymptote of Civilization
https://d197for5662m48.cloudfront.net/documents/publicationstatus/244823/preprint_pdf/d2c136425f5eeded90821b1c85e68066.pdf

Space Propulsion and Spaceship Design: A System Perspective
https://link.springer.com/book/10.1007/978-3-031-71336-1

A JWST Panchromatic Thermal Emission Spectrum of the Warm Neptune Archetype GJ 436b
https://zenodo.org/records/14814183

Correcting Transiting Lightcurves of Exoplanets From Non-linear Astrophysical and Instrumental Noise
https://zenodo.org/records/14793722

Encyclopedia of Planetary Landforms
https://link.springer.com/book/9783319265575

Increased Surface Temperatures of Habitable White Dwarf Worlds Relative to Main-sequence Exoplanets
https://iopscience.iop.org/article/10.3847/1538-4357/ad9827

SPHEREx space telescope will seek life’s ingredients
https://phys.org/news/2025-02-spherex-space-telescope-life-ingredients.html

GJ 2126 b: A highly eccentric Jovian exoplanet
https://www.aanda.org/articles/aa/full_html/2025/02/aa52563-24/aa52563-24.html

The EBLM project – XIV. TESS light curves for eclipsing binaries with very low mass companions
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf268/8011556

Planets Around Solar Twins/Analogs (PASTA). I. High-precision Stellar Chemical Abundances for 17 Planet-hosting Stars and the Condensation Temperature Trend
https://iopscience.iop.org/article/10.3847/1538-4357/ad9924

Evidence for a Volcanic Atmosphere on the Sub-Earth L 98-59 b
https://iopscience.iop.org/article/10.3847/2041-8213/adaf22

The EXO-UV program: lastest advances of experimental studies to investigate the biological impact of UV radiation on exoplanets
https://arxiv.org/abs/2502.08752

February 13, 2025 updates

Hydrogen escaping from a pair of exoplanets smaller than Neptune
https://www.nature.com/articles/s41586-024-08490-x

Estimating the Mass Escaping Rates of Radius-valley-spanning Planets in the TOI-431 System via X-Ray and Ultraviolet Evaporation
https://iopscience.iop.org/article/10.3847/1538-4357/ada607

Comprehensive Parameter Determination of Exoplanets through Asteroseismic Host Star Constraints
https://iopscience.iop.org/article/10.3847/1538-4357/ada60b

Searching for Hot Water World Candidates with CHEOPS: Refining the radii and analysing the internal structures and atmospheric lifetimes of TOI-238 b and TOI-1685 b
https://arxiv.org/abs/2502.07887

In-depth characterization of the Kepler-10 three-planet system with HARPS-N RVs and Kepler TTVs
https://arxiv.org/abs/2502.07996

Secondary ionisation in hot atmospheres and interactions between planetary and stellar winds
https://arxiv.org/abs/2502.08316

Physically motivated analytic model of energy efficiency for EUV-driven atmospheric escape of close-in exoplanets
https://arxiv.org/abs/2502.08398

Discovering Numerous Interstellar Objects with A Dedicated Space Telescope
https://arxiv.org/abs/2502.08478

February 12, 2025 updates

Peering into the Black Box: Forward Modeling of the Uncertainty Budget of High-resolution Spectroscopy of Exoplanet Atmospheres
https://iopscience.iop.org/article/10.3847/1538-3881/ada27e

Cryoscope: A Cryogenic Infrared Survey Telescope
https://arxiv.org/abs/2502.06950

GEMS JWST: Transmission spectroscopy of TOI-5205b reveals significant stellar contamination and a metal-poor atmosphere
https://arxiv.org/abs/2502.06966

TOI-2015b: a sub-Neptune in strong gravitational interaction with an outer non-transiting planet
https://arxiv.org/abs/2502.07074

The SPIRou Legacy Survey: near-infrared and optical radial velocity analysis of Gl 480 and Gl 382 using SPIRou, HARPS and CARMENES spectrographs
https://arxiv.org/abs/2502.07086

Estimate the Mass Escaping Rates of Radius-valley-spanning Planets in TOI-431 System via XUV Evaporation
https://arxiv.org/abs/2502.07294

Exoplanet Transit Candidate Identification in TESS Full-Frame Images via a Transformer-Based Algorithm
https://arxiv.org/abs/2502.07542

Statistical Reevaluation of the USP Classification Boundary: Smaller Planets Within 1 Day, Larger Period Ratios Below 2 Days
https://arxiv.org/abs/2502.07773

Genetic evolution of a multi-generational population in the context of interstellar space travels — Part II: Phenotypic effects of gene expression
https://arxiv.org/abs/2502.07559