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.

June 05, 2025 updates

Capture of Interstellar Objects
https://ui.adsabs.harvard.edu/abs/2025DDA….5620427M/abstract

A Probabilistic Framework for Estimating the Prevalence of Intelligent Extraterrestrial Life in the Observable Universe
https://www.researchgate.net/publication/392286039_A_Probabilistic_Framework_for_Estimating_the_Prevalence_of_Intelligent_Extraterrestrial_Life_in_the_Observable_Universe

Formation of Ammonium Nitrate Particles in CO2-rich Atmospheres
https://iopscience.iop.org/article/10.3847/PSJ/add730

A Search for Exoplanet Candidates in TESS 2 minute Light Curves Using Joint Bayesian Detection
https://iopscience.iop.org/article/10.3847/1538-3881/add15a

The NASA Exoplanet Archive and Exoplanet Follow-up Observing Program: Data, Tools, and Usage
https://arxiv.org/abs/2506.03299

Late gas released in the young Kuiper belt could have significantly contributed to the carbon enrichment of the atmospheres of Neptune and Uranus
https://arxiv.org/abs/2506.03412

A Resonant Beginning for the Solar System Terrestrial Planets
https://arxiv.org/abs/2506.04164

June 04, 2025 updates

Could deciphering dolphin language help us communicate with ET?
https://www.space.com/space-exploration/search-for-life/could-deciphering-dolphin-language-help-us-communicate-with-et

Universe “Theory” by Bruno Bernardes
https://zenodo.org/records/15589107

A transiting giant planet in orbit around a 0.2-solar-mass host star
https://www.nature.com/articles/s41550-025-02552-4

Retrieving day- and nightside atmospheric properties of the ultra-hot Jupiter TOI-2109b – Detection of Fe and CO emission lines and evidence for inefficient heat transport
https://www.aanda.org/articles/aa/full_html/2025/06/aa54572-25/aa54572-25.html

High-contrast spectroscopy with the new VLT/ERIS instrument – Molecular maps and radial velocity of the gas giant AF Lep b
https://www.aanda.org/articles/aa/full_html/2025/06/aa53297-24/aa53297-24.html

Exoplanets in the Antarctic Sky. V. The Second Data Release of AST3-II/CHESPA and Newly Found Variables within the Southern Continuous Viewing Zone of TESS
https://iopscience.iop.org/article/10.3847/1538-4365/adce81

A Pan-STARRS Search for Distant Planets: Part 1
https://arxiv.org/abs/2506.02144

Interior redox state effects on the stability of secondary atmospheres and observational manifestations: LP 791-18 d as a case study for outgassing rocky exoplanets
https://arxiv.org/abs/2506.02188

WASP-121b’s transmission spectrum observed with JWST/NIRSpec G395H reveals thermal dissociation and SiO in the atmosphere
https://arxiv.org/abs/2506.02199

Stability of a cluster-disrupted mean-motion resonance (chain) in HR 8799 and PDS 70
https://arxiv.org/abs/2506.02253

An Exploratory Framework for Future SETI Applications: Detecting Generative Reactivity via Language Models
https://arxiv.org/abs/2506.02730

Clues for Solar System Formation from Meteorites and their Parent Bodies
https://arxiv.org/abs/2506.02721

The Growing Impact of Unintended Starlink Broadband Emission on Radio Astronomy in the SKA-Low Frequency Range
https://arxiv.org/abs/2506.02831

Stellar Magnetic Storm Induced Magnetospheric Polarity Reversals: Distinguishing between Unmagnetised and Magnetised Exoplanets
https://arxiv.org/abs/2506.02886

June 03, 2025 updates

Hot Rocks Survey – II. The thermal emission of TOI-1468 b reveals a bare hot rock
https://www.aanda.org/articles/aa/full_html/2025/06/aa53449-24/aa53449-24.html

Growing Pains: Binaries Suppress Planetary Systems at a Young Age
https://iopscience.iop.org/article/10.3847/2515-5172/adddbe

A temperate 10-Earth-mass exoplanet around the Sun-like star Kepler-725
https://www.nature.com/articles/s41550-025-02565-z

AGNI: A radiative-convective model for lava planet atmospheres
https://arxiv.org/abs/2506.00091

Applying Vision Transformers on Spectral Analysis of Astronomical Objects
https://arxiv.org/abs/2506.00294

Star-Planet Interactions: A Computational View
https://arxiv.org/abs/2506.00470

On Linking Planet Formation Models, Protoplanetary Disk Properties, and Mature Gas Giant Exoplanet Atmospheres
https://arxiv.org/abs/2506.00669

NLTE atmospheric modelling of the ultra-hot Jupiter WASP-178b and comparison with UV and optical observations
https://arxiv.org/abs/2506.01132

SiO and a super-stellar C/O ratio in the atmosphere of the giant exoplanet WASP-121b
https://arxiv.org/abs/2506.01771

A Precise Metallicity and Carbon-to-Oxygen Ratio for a Warm Giant Exoplanet from its Panchromatic JWST Emission Spectrum
https://arxiv.org/abs/2506.01800

June 02, 2025 updates

Avoiding the Great Filter: Illuminating Pathways to Humanity’s Future in the Cosmos
https://www.barnesandnoble.com/w/avoiding-the-great-filter-jonathan-h-jiang/1147475246

Measurement of Photochemical Haze Refractive Indices and Hygroscopicity: Influence of CO2 in CH4/H2S/N2 Mixtures
https://liebertpub.com/doi/10.1089/ast.2024.0142

SiO and a super-stellar C/O ratio in the atmosphere of the giant exoplanet WASP-121 b
https://www.nature.com/articles/s41550-025-02513-x

ExoPhoto: A Database of Temperature-Dependent Photodissociation Cross Sections
https://academic.oup.com/rasti/advance-article/doi/10.1093/rasti/rzaf020/8154506

Statistical Properties of Predicted Blended Eclipsing Binary False Positives in PLATO LOPS
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf877/8153831

WASP-121 b’s Transmission Spectrum Observed with JWST/NIRSpec G395H Reveals Thermal Dissociation and SiO in the Atmosphere
https://iopscience.iop.org/article/10.3847/1538-3881/ad9c6e

Observations and Studies on the Transiting Systems HAT-P-36, XO-2 and WASP-76
https://iopscience.iop.org/article/10.3847/1538-3881/add1de

Searching for GEMS: Two Super-Jupiters Around M Dwarfs that May have Formed via Gravitational Instability
https://iopscience.iop.org/article/10.3847/1538-3881/add2ef

Investigating Spectral Stability in the Vicinity of the Metastable Helium Triplet of WASP-107
https://iopscience.iop.org/article/10.3847/2515-5172/adddaa

JWST NIRISS Transmission Spectroscopy of the Super-Earth GJ 357b, a Favourable Target for Atmospheric Retention
https://arxiv.org/abs/2505.24462

May 30, 2025 updates

Capture and Escape of Planetary Mean-motion Resonances in Turbulent Discs
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf867/8152801

The shaping of terrestrial planets by late accretions
https://link.springer.com/article/10.1038/s41586-025-08970-8

Connecting Planetary Composition with Formation: a New Paradigm Emerges
https://arxiv.org/abs/2505.22724

Origin of compact exoplanetary systems during disk infall
https://arxiv.org/abs/2505.22806

A Terminology and Quantitative Framework for Assessing the Habitability of Solar System and Extraterrestrial Worlds
https://arxiv.org/abs/2505.22808

MOA-2022-BLG-091Lb and KMT-2024-BLG-1209Lb: Microlensing planets detected through weak caustic-crossing signals
https://arxiv.org/abs/2505.22951

The Narrow Formation Pathway of Hot Saturns: Constraints on Initial Planetary Properties
https://arxiv.org/abs/2505.23148

Detecting Atmospheric CO2 Trends as Population-Level Signatures for Long-Term Stable Water Oceans and Biotic Activity on Temperate Terrestrial Exoplanets
https://arxiv.org/abs/2505.23230

Is Ozone a Reliable Proxy for Molecular Oxygen? II. The impact of NO on the O-O relationship for Earth-like atmospheres
https://arxiv.org/abs/2505.23279