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.

July 09, 2025 updates

Examining Airport Civilian and Military Radar Leakage as a Detectable Marker for Extraterrestrial Civilizations
https://conference.astro.dur.ac.uk/event/7/contributions/245/

Conducting High Frequency Radio SETI Searches using ALMA
https://conference.astro.dur.ac.uk/event/7/contributions/239/

Direct imaging discovery of a young giant planet orbiting on solar system scales
https://arxiv.org/abs/2507.06206

A planetary-mass candidate imaged in the Young Suns Exoplanet Survey
https://www.aanda.org/articles/aa/full_html/2025/07/aa49582-24/aa49582-24.html

MOA-2022-BLG-091Lb and KMT-2024-BLG-1209Lb: Microlensing planets detected through weak caustic-crossing signals
https://www.aanda.org/articles/aa/full_html/2025/07/aa54182-25/aa54182-25.html

A Detailed Investigation of HD 209458 b HST and JWST Transmission Spectra with SANSAR
https://iopscience.iop.org/article/10.3847/1538-3881/addc5c

Comment on “Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS”
https://arxiv.org/abs/2507.05881

From a Different Star: 3I/ATLAS in the context of the Ōtautahi-Oxford interstellar object population model
https://arxiv.org/abs/2507.05318

Detecting Land with Reflected Light Spectroscopy to Rule Out Waterworld O2 Biosignature False Positives
https://arxiv.org/abs/2506.21790

Evolution of the ZTF SLRN-2020 star-planet merger
https://arxiv.org/abs/2507.05365

ASASSN-24fw: Candidate circumplanetary disk occultation of a main-sequence star
https://arxiv.org/abs/2507.05367

Modelling the 3D atmospheric structure of the cold Jupiter WD1856+534b orbiting a white dwarf
https://arxiv.org/abs/2507.05422

A Statistical Method for Constraining the Capability of the Habitable Worlds Observatory to Understand Ozone Onset Time in Earth Analogs
https://arxiv.org/abs/2507.06188

July 08, 2025 updates

Unveiling Planetary Processes with the Solar System and Exoplanets
https://www.proquest.com/docview/3225352458?sourcetype=Dissertations%20&%20Theses

Constraints and Potentialities of Evolution in Astrobiology
https://www.researchgate.net/profile/Ian-Von-Hegner/publication/384106364_Constraints_and_Potentialities_of_Evolution_in_Astrobiology/links/682d8d438a76251f22e3ce92/Constraints-and-Potentialities-of-Evolution-in-Astrobiology.pdf

Dark kinetic heating of exoplanets and brown dwarfs
https://link.springer.com/article/10.1007/JHEP07(2025)079

MINDS: Water reservoirs of compact planet-forming dust discs – A diversity of H2O distributions
https://www.aanda.org/articles/aa/full_html/2025/07/aa54213-25/aa54213-25.html

Grand theft moons – Formation of habitable moons around giant planets
https://www.aanda.org/articles/aa/full_html/2025/07/aa54168-25/aa54168-25.html

The Spin–Orbit Alignment of Eight Warm Gas Giant Systems
https://iopscience.iop.org/article/10.3847/1538-3881/ade22e#ajade22efn1a

A Disintegrating Rocky World Shrouded in Dust and Gas: Mid-infrared Observations of K2-22 b Using JWST
https://iopscience.iop.org/article/10.3847/2041-8213/addfd0

Measurements and calculations of H2O broadened by CO2 collisional parameters for planetary atmospheres
https://www.sciencedirect.com/science/article/pii/S0022407325002389

Initial VLT/MUSE spectroscopy of the interstellar object 3I/ATLAS
https://arxiv.org/abs/2507.05226

Interstellar comet 3I/ATLAS: discovery and physical description
https://arxiv.org/abs/2507.05252

A portrait throughout perihelion of the NH_2-rich interstellar comet 2I/Borisov
https://arxiv.org/abs/2507.05051

Detecting Surface Liquid Water on Exoplanets
https://arxiv.org/abs/2507.03071

White dwarfs as probes of extrasolar planet compositions and fundamental astrophysics
https://arxiv.org/abs/2507.03029

High-resolution Ultraviolet-to-nearinfrared Characterization of Exoplanet Atmospheres
https://arxiv.org/abs/2507.03060

Building SPARCS, an Ultraviolet Science CubeSat for Exoplanet Habitability Studies, Technology Advancements, and Mission Training
https://arxiv.org/abs/2507.03102

Resurgence of CO in a warm bubble around accreting protoplanets and its observability
https://arxiv.org/abs/2507.03370

The planetary-mass-limit VLT/SINFONI library: Spectral extraction and atmospheric characterization via forward modeling
https://arxiv.org/abs/2507.03562

Detecting alien living worlds and photosynthetic life using imaging polarimetry with the HWO coronagraph
https://arxiv.org/abs/2507.03819

Ocean Tides on Asynchronously Rotating Planets Orbiting Low-mass Stars
https://arxiv.org/abs/2507.03850

Metallicities of M Dwarf Planet Host Stars from Kepler, K2, and TESS observed by APOGEE: Trends with Exoplanetary Radii and Orbital Periods
https://arxiv.org/abs/2507.04066

An Aligned Sub-Neptune Revealed with MAROON-X and a Tendency Towards Alignment for Small Planets
https://arxiv.org/abs/2507.04291

Rossby number regime, convection suppression, and dynamo-generated magnetism in inflated hot Jupiters
https://arxiv.org/abs/2507.05202

July 07, 2025 Updates

Interstellar heritage: safeguarding cultural identity and human rights in the age of human settlements in outer space
https://pureportal.strath.ac.uk/en/publications/interstellar-heritage-safeguarding-cultural-identity-and-human-ri

Gas Pressure Driven Screening Forces and Pebble Aggregation: A Pathway for Growth in Planet Formation
https://arxiv.org/abs/2507.02570

Acoustic Gravitic Theory
https://graviticalchemy.com/wp-content/uploads/2025/06/Acoustic-Gravitic-Theory_-A-Plasma-Based-Model-of-Gravity-Light-and-Cosmic-Structure.pdf

An Extended Study on the Quantum Harmonic Resonance Framework (QHRF)
https://www.academia.edu/125552540/An_Extended_Study_on_the_Quantum_Harmonic_Resonance_Framework_QHRF_

Impact of Stellar Wind on Narrowband Technosignatures
https://ui.adsabs.harvard.edu/abs/2025AAS…24611707B/abstract

Statistical properties of beam-driven upper-hybrid wave turbulence in the solar wind
https://www.aanda.org/articles/aa/full_html/2025/07/aa55087-25/aa55087-25.html

MINDS: Water reservoirs of compact planet-forming dust discs A diversity of H2O distributions
https://www.aanda.org/articles/aa/full_html/2025/07/aa54213-25/aa54213-25.html

DRAGyS – A comprehensive tool for extracting scattering phase functions in protoplanetary disks Disk ring adjusted geometry yields scattering phase function
https://www.aanda.org/articles/aa/full_html/2025/07/aa54058-25/aa54058-25.html

The Gaia spectroscopic catalogue of exoplanets and host stars
https://www.aanda.org/articles/aa/full_html/2025/07/aa54739-25/aa54739-25.html

Exploring futures through science fiction: A scenario-based PESTLE analysis of award-winning SF novels
https://www.sciencedirect.com/science/article/pii/S0016328725001090

Planetary sustainability science and technology: Integrating Astro-soil, Astro-environmental engineering and Astro-habitat engineering for space exploration
https://www.sciencedirect.com/science/article/abs/pii/S0048969725015992

Water vapor line broadening and shift coefficients induced by carbon dioxide in the 8600-9000 cm-1 spectral region
https://www.sciencedirect.com/science/article/abs/pii/S0022407325002390

Protoplanetary Disk Survival Time-scales: A Blind Survey of Young Clusters up to 100 Myr in the Solar Vicinity
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1089/8186027?searchresult=1

July 04, 2025 updates

Volatile-rich evolution of molten super-Earth L 98-59 d
https://arxiv.org/abs/2507.02656

A Hot Jupiter with a Retrograde Orbit around a Sun-like Star and a Toy Model of Hot Jupiters in Wide Binary Star Systems
https://arxiv.org/abs/2507.02667

Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS
https://arxiv.org/abs/2507.02757

A Highly Carbon-Rich Dayside and Disequilibrium Chemistry in the Ultra-Hot Jupiter WASP-19b
https://arxiv.org/abs/2507.02797

A Ground-Based Transit Observation of the Long-Period Extremely Low-Density Planet HIP 41378 f
https://arxiv.org/abs/2506.20907

Detecting and characterising the magnetic field of exoplanets
https://arxiv.org/abs/2507.02010

The importance of the dynamical corotation torque for the migration of low-mass planets — 1D analytical prescriptions verified by 2D hydrodynamical simulations
https://arxiv.org/abs/2507.02050

Uniform Reanalysis of JWST MIRI 15μm Exoplanet Eclipse Observations using Frame-Normalized Principal Component Analysis
https://arxiv.org/abs/2507.02052

Impact of rotation on synthetic mass-radius relationships of two-layer rocky planets and water worlds
https://arxiv.org/abs/2507.02112

Exoplanet Atmospheric Refraction Effects in the Kepler Sample
https://arxiv.org/abs/2507.02126

The 3D Cosmic Shoreline for Nurturing Planetary Atmospheres
https://arxiv.org/abs/2507.02136

July 03, 2025 updates

Comprehensive Analysis on Dyson’s Sphere as an Energy Harnessing Megastructures
https://www.ijisrt.com/comprehensive-analysis-on-dysons-sphere-as-an-energy-harnessing-megastructures

New interstellar comet 3I/ATLAS is hurtling through the solar system — and you can watch it live online today
https://www.space.com/astronomy/comets/new-interstellar-comet-3i-atlas-is-hurtling-through-the-solar-system-and-you-can-watch-it-live-online-today

Third-ever confirmed interstellar object blazing through solar system (Update)
https://phys.org/news/2025-07-astronomers-track-solar.html

Updated Mass, Eccentricity, and Tidal Heating Constraints for the Earth-sized Planet LP 791-18 d
https://iopscience.iop.org/article/10.3847/1538-3881/addf2d

ELemental Abundances of Planets and Brown Dwarfs Imaged around Stars (ELPIS). II. The Jupiter-like Inhomogeneous Atmosphere of the First Directly Imaged Planetary-mass Companion 2MASS 1207 b
https://iopscience.iop.org/article/10.3847/1538-3881/addfcb

HST pre-imaging of a free-floating planet candidate microlensing event
https://arxiv.org/abs/2507.01109

Giant planet formation via pebble accretion across different stellar masses
https://arxiv.org/abs/2507.01212

The HR 8799 Debris Disc: Shaped by Planetary Migration and a Possible Fifth Outermost Planet
https://arxiv.org/abs/2507.01589

The star HIP 41378 potentially misaligned with its cohort of long-period planets
https://arxiv.org/abs/2507.01807

The TESS Grand Unified Hot Jupiter Survey. III. Thirty More Giant Planets
https://arxiv.org/abs/2507.01855

1 2 384