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 30, 2025 updates

NIRPS joining HARPS at ESO 3.6 m – On-sky performance and science objectives
https://www.aanda.org/articles/aa/abs/2025/08/aa53341-24/aa53341-24.html

Spectroscopy of Free-floating Planetary-mass Objects and Their Disks with JWST
https://iopscience.iop.org/article/10.3847/1538-3881/adea50

A Transiting Giant on a 7.7 yr Orbit Revealed by Transit Timing Variations in the TOI-201 System
https://iopscience.iop.org/article/10.3847/2041-8213/adefe5

Dynamical Instability of Multi-planet Systems and Free-floating Planets
https://arxiv.org/abs/2507.21216

Blind search for activity-sensitive lines in the near-infrared using HARPS and NIRPS observations of Proxima and Gl 581
https://arxiv.org/abs/2507.21262

NIRPS detection of delayed atmospheric escape from the warm and misaligned Saturn-mass exoplanet WASP-69b
https://arxiv.org/abs/2507.21284

Preferential alignments of exoplanetary orbital planes in Milky Way spiral arms
https://arxiv.org/abs/2507.21309

Intercepting 3I/ATLAS at Closest Approach to Jupiter with the Juno spacecraft
https://arxiv.org/abs/2507.21402

Requirements for Joint Orbital Characterization of Cold Giants and Habitable Worlds with Habitable Worlds Observatory
https://arxiv.org/abs/2507.21443

Diving into the planetary system of Proxima with NIRPS — Breaking the metre per second barrier in the infrared
https://arxiv.org/abs/2507.21751

Precovery Observations of 3I/ATLAS from TESS Suggests Possible Distant Activity
https://arxiv.org/abs/2507.21967

Multi-frequency observations of PDS 70c: Radio emission mechanisms in the circum-planetary environment
https://arxiv.org/abs/2507.21970

July 29, 2025 updates

From Extraterrestrial Microbes to Alien Intelligence: Rebalancing Astronomical Research Priorities
https://arxiv.org/abs/2507.17790

The Response of Planetary Atmospheres to the Impact of Icy Comets II: exo-Earth Analogues
https://arxiv.org/abs/2507.18256

The unreasonable likelihood of being: origin of life, terraforming, and AI
https://arxiv.org/abs/2507.18545

Journeying beyond the gravity and interstellar space: Unveiling the Health Challenge in space missions – An extensive review
https://banglajol.info/index.php/BJMS/article/view/82950

The role of interior dynamics and differentiation on the surface and in the atmosphere of lava planets
https://www.nature.com/articles/s41550-025-02617-4

The Galactic habitability
https://link.springer.com/article/10.1007/s12210-025-01346-0

Convective dynamics in mantle of tidally-locked exoplanets
https://link.springer.com/article/10.1038/s41467-025-62026-z

Estimating the potential of ionizing radiation-induced radiolysis for microbial metabolism on terrestrial planets and satellites with rarefied atmospheres
https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/estimating-the-potential-of-ionizing-radiationinduced-radiolysis-for-microbial-metabolism-on-terrestrial-planets-and-satellites-with-rarefied-atmospheres/187F317A3974A2008227C707538785E9

NIRPS detection of delayed atmospheric escape from the warm and misaligned Saturn-mass exoplanet WASP-69 b
https://www.aanda.org/articles/aa/full_html/2025/08/aa52525-24/aa52525-24.html

Studying the variability of the He triplet to understand the detection limits of evaporating exoplanet atmospheres
https://www.aanda.org/articles/aa/full_html/2025/08/aa52856-24/aa52856-24.html

Hydride ion continuum hides absorption signatures in the NIRPS near-infrared transmission spectrum of the ultra-hot gas giant WASP-189b
https://www.aanda.org/articles/aa/full_html/2025/08/aa52972-24/aa52972-24.html

Diving into the planetary system of Proxima with NIRPS – Breaking the metre per second barrier in the infrared
https://www.aanda.org/articles/aa/full_html/2025/08/aa53728-25/aa53728-25.html

Life on the Edge: Using Planetary Context to Enhance Biosignatures and Avoid False Positives
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1204/8213525

Metal-polluted White Dwarfs with 21 μm IR Excesses from JWST/MIRI: Planets or Dust?
https://iopscience.iop.org/article/10.3847/1538-3881/ade68c

The Impact of Different Haze Types on the Atmosphere and Observations of Hot Jupiters: 3D Simulations of HD 189733b, HD209458b and WASP-39b
https://arxiv.org/abs/2507.20366

Exoplanet Detection Using Machine Learning Models Trained on Synthetic Light Curves
https://arxiv.org/abs/2507.19520

July 28, 2025 Updates

The Linear Stein Accelerator and Gravity Vector Projector
https://www.researchgate.net/publication/393914951_The_Linear_Stein_Accelerator_and_Gravity_Vector_Projector

The Macroscopic Zeno Effect in the Literature
https://www.researchgate.net/publication/393918318_The_Macroscopic_Zeno_Effect_in_the_Literature

Multi-objective mission planning for solar sails and swarm networks
https://www.sciencedirect.com/science/article/abs/pii/S0045782525005195

Towards a generalized framework for planetary communication
https://www.sciencedirect.com/science/article/abs/pii/S0265964625000359

Fine-tuning the complex organic molecule formation: sulfur and CO ice as regulators of surface chemistry
https://arxiv.org/abs/2507.17595

The Great Filter as a Statistical Limit
https://www.preprints.org/manuscript/202507.1452/v3

Silicate mineralogy and bulk composition of exoplanetary material in polluted white dwarfs
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1221/8211816

Life on the Edge: Using Planetary Context to Enhance Biosignatures and Avoid False Positives
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1204/8213525

Corotating Interaction Regions (CIRs): impacts with exoplanets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf1236/8213915

NASA Exoplanet Exploration Program (ExEP) Science Gap List
https://arxiv.org/abs/2507.18665

Evidence for SiO cloud nucleation in the rogue planet PSO J318
https://arxiv.org/abs/2507.18691

Detection of CO2, CO, and H2O in the atmosphere of the warm sub-Saturn HAT-P-12b
https://arxiv.org/abs/2507.18722

Dynamical regimes of small bodies perturbed by an eccentric giant planet
https://arxiv.org/abs/2507.18841

Silicate clouds and a circumplanetary disk in the YSES-1 exoplanet system
https://arxiv.org/abs/2507.18861

The GAPS Programme at TNG LXVIII. Characterization of the outer substellar companion around HD 72659 with a multi-technique approach
https://arxiv.org/abs/2507.19063

Investigating the Influence of Asymmetric Errors on Retrievals of Exoplanet Transmission Spectra
https://arxiv.org/abs/2507.19223

The GAPS Programme at TNG. LXIX.The Dayside of WASP-76b revealed by GIANO-B, HARPS-N and ESPRESSO: Evidence for Three-Dimensional Atmospheric Effects
https://arxiv.org/abs/2507.19299

NANOGrav 15-year Data Set: Search for Gravitational Scattering of Pulsars by Free-Floating Objects in Interstellar Space
https://arxiv.org/abs/2507.19475

July 25, 2025 updates

An Analytical Method for Solar Heat Flux in Spacecraft Thermal Management Under Multidimensional Pointing Attitudes
https://www.mdpi.com/1996-1073/18/15/3956

A Feedback Guidance Law for Multi-revolution Planetocentric Orbital Maneuvering of Solar Sail Spacecraft
https://link.springer.com/article/10.1007/s40295-025-00507-5

A Deep Search for Ethylene Glycol and Glycolonitrile in the V883 Ori Protoplanetary Disk
https://iopscience.iop.org/article/10.3847/2041-8213/adec6e

Alien life may need water – if only to keep cool
https://www.sciencedirect.com/science/article/abs/pii/S0262407925011558

Multi-scale radiative-transfer model of the protoplanetary disc DoAr 44
https://arxiv.org/abs/2507.18185

Bridging the gap: consistent modeling of protoplanetary disk heating and gap formation by planet-induced spiral shocks
https://arxiv.org/abs/2507.18283

Numerical approach to second-order canonical perturbation theory in the planetary 3-body problem: Application to exoplanets
https://arxiv.org/abs/2506.13745

XUE 10. The CO2-rich terrestrial planet-forming region of an externally irradiated Herbig disk
https://arxiv.org/abs/2507.13921

July 24, 2025 updates

Seasonal Changes in the Atmosphere of HD 80606 b Observed with JWST’s NIRSpec/G395H
https://iopscience.iop.org/article/10.3847/1538-3881/addfda

The Multiband Imaging Survey for High-alpha PlanetS (MISHAPS). I. Preliminary Constraints on the Occurrence Rate of Hot Jupiters in 47 Tucanae
https://iopscience.iop.org/article/10.3847/1538-3881/ade054

An Energy Perspective of Core Erosion in Gas Giant Planets
https://iopscience.iop.org/article/10.3847/2041-8213/adef0a

Torqued Accelerator using Radiation from the Sun (TARS) for Interstellar Payloads
https://arxiv.org/abs/2507.17615

Impact of Exoplanet Science on Society: Professional Contributions, Citizen Science, and Public Perception
https://link.springer.com/rwe/10.1007/978-3-319-30648-3_166-2

Secular Resonances in Planet-Hosting Binary Stars. I. General Theory
https://arxiv.org/abs/2507.17092

Secular Resonances in Planet-Hosting Binary Stars. II. Application to Terrestrial Planet Formation
https://arxiv.org/abs/2507.17098

The n-body problem — an alternative scheme for determining solutions for planetary systems
https://arxiv.org/abs/2507.17414