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 16, 2025 updates

Solar Energy as a Cornerstone for Space Colonization: Advanced Technologies and Futuristic Paradigms
https://scienceletters.researchfloor.org/solar-energy-as-a-cornerstone-for-space-colonization-advanced-technologies-and-futuristic-paradigms/

Data challenges and prospects of high-resolution spectroscopy of exoplanets
https://link.springer.com/article/10.1038/s42254-025-00839-z

A spectroscopist’s view of the evolving story of exoplanet K2-18 b
https://link.springer.com/article/10.1038/s42254-025-00856-y

The Kinematic Age of 3I/ATLAS and its Implications for Early Planet Formation
https://arxiv.org/abs/2507.08111

Leaky Dust Traps in Planet-embedded Protoplanetary Disks
https://iopscience.iop.org/article/10.3847/1538-4357/addd1f

Effect of Galactic Chemical Evolution on Exoplanet Properties
https://arxiv.org/abs/2507.10942

On Hot Jupiters and Stellar Clustering: The Role of Host Star Demographics
https://arxiv.org/abs/2507.11225

The model is the message: Lightweight convolutional autoencoders applied to noisy imaging data for planetary science and astrobiology
https://arxiv.org/abs/2507.11400

A Transiting Giant on a 7.7-Year Orbit Revealed by TTVs in the TOI-201 System
https://arxiv.org/abs/2507.11504

A New Method for the Discovery of the Distant Exoplanets II: Question of Signal-to-Noise Ratio
https://arxiv.org/abs/2507.10764

The visibility of the Ōtautahi-Oxford interstellar object population model in LSST
https://arxiv.org/abs/2502.16741

July 15, 2025 updates

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

A solar C/O ratio in planet-forming gas at 1 au in a highly irradiated disk
https://www.nature.com/articles/s41550-025-02596-6

Exoplanets
https://link.springer.com/article/10.1007/s12036-025-10051-1

On the epistemic value of atmospheric retrieval models in exoplanetary science
https://link.springer.com/article/10.1007/s11229-025-05149-6

Estimate of Core-Powered Mass-Loss of Primary Atmosphere of the Mini-Neptune (Ocean Planet) HD 207496b
https://link.springer.com/article/10.1134/S0038094624602172

A young gas giant and hidden substructures in a protoplanetary disk
https://www.nature.com/articles/s41550-025-02576-w

An Earth-Sized Planet in a 5.4h Orbit Around a Nearby K dwarf
https://arxiv.org/abs/2507.08464

Hundreds of TESS Exoplanets Might Be Larger than We Thought
https://iopscience.iop.org/article/10.3847/2041-8213/ade794

Fluid dynamics of a liquid mirror space telescope
https://arxiv.org/abs/2507.02812

The TOI-2427 system: Two close-in planets orbiting a late K-dwarf star
https://www.aanda.org/articles/aa/full_html/2025/07/aa52620-24/aa52620-24.html

Non-local thermodynamical equilibrium atmospheric modelling of the ultra-hot Jupiter WASP-178b and comparison with UV and optical observations
https://www.aanda.org/articles/aa/full_html/2025/07/aa54240-25/aa54240-25.html

Non-transiting exoplanets as a means of understanding star–planet interactions in close-in systems
https://www.aanda.org/articles/aa/full_html/2025/07/aa53791-25/aa53791-25.html

Placing the Solar System in its Astrophysical Context
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1149/8202815

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://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1150/8199929

Rethinking Habitability Using Biogenic Precursors: Formaldehyde in Millimeter Molecular Clouds of the Inner Galaxy
https://iopscience.iop.org/article/10.3847/1538-4357/add691

Comparing Grid Model Fitting Methodologies for Low-temperature Atmospheres: Markov Chain Monte Carlo versus Random Forest Retrieval
https://iopscience.iop.org/article/10.3847/1538-4357/addd06

Streams and Bubbles: Tidal Shaping of Hydrodynamic Planetary Outflows
https://iopscience.iop.org/article/10.3847/1538-4357/ade0b7

Orbital Decay of the Ultra-hot Jupiter TOI-2109b: Tidal Constraints and Transit-timing Analysis
https://iopscience.iop.org/article/10.3847/1538-4357/ade057

Asteroseismic Characterization of 142 Solar-like Oscillators Hosting Confirmed Exoplanets
https://iopscience.iop.org/article/10.3847/1538-4365/ade23f

Detailed Architecture of the L 98-59 System and Confirmation of a Fifth Planet in the Habitable Zone
https://arxiv.org/abs/2507.09343

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

The New Generation Planetary Population Synthesis (NGPPS) VIII. Impact of host star metallicity on planet occurrence rates, orbital periods, eccentricities, and radius valley morphology
https://arxiv.org/abs/2507.09874

Galactic Trajectories of Interstellar Objects 1I/’Oumuamua, 2I/Borisov, and 3I/Atlas
https://arxiv.org/abs/2408.02739

A metal-poor atmosphere with a hot interior for a young sub-Neptune progenitor: JWST/NIRSpec transmission spectrum of V1298 Tau b
https://arxiv.org/abs/2507.08837

Free Floating or Merely Detached?
https://arxiv.org/abs/2507.08968

July 14, 2025 Updates

BOOK OF ABSTRACTS: THE 7TH INTERNATIONAL SYMPOSIUM ON SPACE SAILING
https://filelist.tudelft.nl/LR/Subsites/ISSS%202025/ISSS2025_BookOfAbstracts_update.pdf

Astrophysical Signatures of Warp-Drive Activity in the Nearby Galactic Volume
https://www.researchgate.net/publication/393468653_Astrophysical_Signatures_of_Warp-Drive_Activity_in_the_Nearby_Galactic_Volume

On the Infeasibility of Low-Energy Warp Drive via Metamaterial Gravitational Coupling
https://zenodo.org/records/15807126

How to chart a moral future for space exploration
https://www.nature.com/articles/d41586-025-02070-3

Planetary Systems in Star Clusters
https://link.springer.com/article/10.1134/S1063772925701823

Hot Rocks Survey II. The thermal emission of TOI-1468 b reveals a bare hot rock★ (Corrigendum)
https://www.aanda.org/articles/aa/full_html/2025/07/aa56143e-25/aa56143e-25.html

Disk Evolution Study Through Imaging of Nearby Young Stars (DESTINYS): Evidence of planet–disk interaction in the 2MASSJ16120668-3010270 system
https://www.aanda.org/articles/aa/full_html/2025/07/aa51647-24/aa51647-24.html

Cloud and haze parameterization in atmospheric retrievals: Insights from Titan’s Cassini data and JWST observations of hot Jupiters
https://www.aanda.org/articles/aa/full_html/2025/07/aa53186-24/aa53186-24.html

Imprints of monopole charge in Morris-Thorne type wormholes and energy conditions under the influence of higher dimensional gravity
https://www.sciencedirect.com/science/article/pii/S0550321325002263

Interstellar visitor is flying through our solar system
https://www.sciencedirect.com/science/article/abs/pii/S026240792501108X

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

Formation and Early Evolution of Protoplanetary Disks under Nonuniform Cosmic-Ray Ionization
https://iopscience.iop.org/article/10.3847/1538-4357/addbe2

Geometric Considerations in Hot Jupiter Magnetic Drag Models
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1146/8197928

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