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 11, 2025 updates

Earth-like planets prefer circles
https://link.springer.com/article/10.1038/s41550-025-02608-5

Close-in planet induces flares on its host star
https://arxiv.org/abs/2507.00791

Observation of nonaxisymmetric standard magnetorotational instability induced by a free-shear layer
https://arxiv.org/abs/2411.02361

CRIRES+ transmission spectroscopy of WASP-127 b
https://www.aanda.org/articles/aa/full_html/2025/01/aa50438-24/aa50438-24.html

C/O ratios in self-gravitating protoplanetary discs with dust evolution
https://arxiv.org/abs/2412.05099

Exploring the habitability and interior composition of exoplanets lying within the extended habitable zone
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1057/8178515

Follow-up Exploration of the TWA 7 Planet–Disk System with JWST NIRCam
https://iopscience.iop.org/article/10.3847/2041-8213/ade798

From global climate models (GCMs) to exoplanet spectra with the Global Emission Spectra (GlobES)
https://www.sciencedirect.com/science/article/abs/pii/S2213133725000551

Facilities to detect and confirm transiting exoplanets
https://www.sciencedirect.com/science/article/abs/pii/B978044321439400047X

Exoplanet Atmospheric Escape Observations with the Habitable Worlds Observatory
https://arxiv.org/abs/2507.07124

Assessing Ocean World Habitability with HWO
https://arxiv.org/abs/2507.07128

JWST COMPASS: A NIRSpec G395H Transmission Spectrum of the Super-Earth GJ 357 b
https://arxiv.org/abs/2507.07165

The Orbital Eccentricity-Radius Relation for Planets Orbiting M Dwarfs
https://arxiv.org/abs/2507.07169

The Roasting Marshmallows Program with IGRINS on Gemini South III: Seeing deeper into the metal depleted atmosphere of a gas-giant on the cusp of the hot to ultra-hot Jupiter transition
https://arxiv.org/abs/2507.07204

X-SHOOTER Spectrum of Comet C/2025 N1: Insights into a Distant Interstellar Visitor
https://arxiv.org/abs/2507.07312

KMT-2024-BLG-0404L: A triple microlensing system consisting of a star, a brown dwarf, and a planet
https://arxiv.org/abs/2507.07326

TOI-1259Ab: A Warm Jupiter Orbiting a K-dwarf White-Dwarf Binary is on a Well-aligned Orbit
https://arxiv.org/abs/2507.07737

Snapshot of a new interstellar comet: 3I/ATLAS has a red and featureless spectrum
https://arxiv.org/abs/2507.05226

July 10, 2025 updates

Life Detection Knowledge Base: Assessment Criteria for Potential Biosignatures
https://liebertpub.com/doi/10.1089/ast.2024.0104

Life Detection Knowledge Base: Taxonomy of Potential Biosignatures
https://liebertpub.com/doi/10.1089/ast.2022.0156

Cosmic time-dependent traversable wormhole solutions
https://link.springer.com/article/10.1007/s12036-025-10067-7

Tracing Biosignatures as Universal Potential Biomarkers for the Origin of Life
https://link.springer.com/article/10.1007/s13752-025-00503-w

Bounding destruction timescales of minor planets orbiting white dwarfs with the sesquinary catastrophe
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1120/8195524

New Calculations of Human-eye Colors of Cloudy Brown Dwarfs and Exoplanets
https://iopscience.iop.org/article/10.3847/2515-5172/adec7d

Confirmation of a non-transiting planet in the habitable zone of the nearby M dwarf L 98-59
https://arxiv.org/abs/2507.06413

The Possibility of Hydrogen-Water Demixing in Uranus, Neptune, K2-18b and TOI-270d
https://arxiv.org/abs/2507.06288

Planet-disc interactions around eccentric binaries and misaligned ring formation
https://arxiv.org/abs/2507.06675

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

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