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.

May 09, 2025 updates

Validating the Orbital Periods of the Coolest TESS Planet Candidates
https://iopscience.iop.org/article/10.3847/1538-3881/adcac6

JWST/NIRCam Coronagraphic Search for Hidden Planets in the HD 163296 Protoplanetary Disk
https://iopscience.iop.org/article/10.3847/1538-3881/adc601

Revisiting Seager’s 2013 Habitability Diagram with 2025 Data
https://iopscience.iop.org/article/10.3847/2515-5172/add46f

KMT-2022-BLG-1818Lb,c: A Cold Super-Jupiter with a Saturn Sibling
https://arxiv.org/abs/2505.05093

No Planet around the K Giant Star 42 Draconis
https://arxiv.org/abs/2505.05260

The Influence of Passing Field Stars on the Solar System’s Dynamical Future
https://arxiv.org/abs/2505.04737

May 08, 2025 updates

The ouput simulation data of the Exo-FMS GCM and of the post-processing with gCMCRT for Modelling the 3D atmospheric structure of the cold Jupiter WD1856+534b orbiting a white dwarf
https://zenodo.org/records/15357129

Cosmic ray ionisation of a post-impact early Earth atmosphere – Solar cosmic ray ionisation must be considered in origin-of-life scenarios
https://www.aanda.org/articles/aa/full_html/2025/05/aa52842-24/aa52842-24.html

Characterising the atmosphere of 55 Cancri e – 1D forward model grid for current and future JWST observations
https://www.aanda.org/articles/aa/full_html/2025/05/aa54062-25/aa54062-25.html

TOI-6695: A Pair of Near-resonant Massive Planets Observed with TESS from the WINE Survey
https://iopscience.iop.org/article/10.3847/1538-3881/adc44e

Minimizing Star Spot Contamination of Exoplanet Transit Spectroscopy Using Alternate Normalization
https://arxiv.org/abs/2505.03881

Using anomaly detection to search for technosignatures in Breakthrough Listen observations
https://arxiv.org/abs/2505.03927

The Eccentricity Distribution of Warm Sub-Saturns in TESS
https://arxiv.org/abs/2505.04106

Atmospheric loss during giant impacts: mechanisms and scaling of near- and far-field loss
https://arxiv.org/abs/2505.04343

Double Hot Jupiters Through ZLK Migration
https://arxiv.org/abs/2505.04398

May 07, 2025 updates

Polarized pulse pair observations during a long duration interstellar communication experiment
https://arxiv.org/abs/2504.19765

Training a convolutional neural network for exoplanet classification with transit photometry data
https://link.springer.com/article/10.1038/s41598-025-98935-8

Precise radial velocities of giant stars – XVII. Distinguishing planets from intrinsically induced radial velocity signals in evolved stars
https://www.aanda.org/articles/aa/full_html/2025/05/aa53500-24/aa53500-24.html

Reinventing SETI – New Directions in the Search for Extraterrestrial Intelligence
https://global.oup.com/academic/product/reinventing-seti-9780197800416

Systematic Reanalysis of KMTNet Microlensing Events. II. Two New Planets in Giant-source Events
https://iopscience.iop.org/article/10.3847/1538-3881/adc73e

Asymmetry and Dynamical Constraints in Two-limbs Retrieval of WASP-39 b Inferring from JWST Data
https://iopscience.iop.org/article/10.3847/1538-3881/adc803

Exoplanet Detection Using CNN
https://ijsrem.com/download/exoplanet-detection-using-cnn/

Monosilane Worlds: Sub-Neptunes with Atmospheres Shaped by Reduced Magma Oceans
https://arxiv.org/abs/2505.03200

Self-limited tidal heating and prolonged magma oceans in the L 98-59 system
https://arxiv.org/abs/2505.03604

The True Stellar Obliquity of a Sub-Saturn Planet from the Tierras Observatory and KPF
https://arxiv.org/abs/2505.03628

Statistical geochemical constraints on present-day water outgassing as a source of secondary atmospheres on the TRAPPIST-1 exoplanets
https://arxiv.org/abs/2505.03672

Young Planets around Young Accreting Stars: I. Migration and Inner Stalling Orbits
https://arxiv.org/abs/2505.03701

Effects of transient stellar emissions on planetary climates of tidally-locked exo-earths
https://arxiv.org/abs/2505.03723

A transiting rocky super-Earth and a non-transiting sub-Neptune orbiting the M dwarf TOI-771
https://arxiv.org/abs/2504.18223

May 06, 2025 updates

Life Beyond Earth: The Fermi Paradox — Or Why We Are Still Waiting to Meet Aliens
https://link.springer.com/book/10.1007/978-3-031-81695-6

Exoplanet Detection with Deep Learning
https://helda.helsinki.fi/server/api/core/bitstreams/4bda3bd1-2c55-4e36-9913-cf5f66776f53/content

BEYOND THE HUMAN: TECHNOLOGICAL ADVANCEMENTS AND POSTHUMANISM IN CIXIN LIU’S THE THREE-BODY PROBLEM
https://al-aasar.com/index.php/Journal/article/view/242

Membrane-Spanning Molecular Lengths as an Agnostic Biosignature
https://liebertpub.com/doi/10.1089/ast.2024.0125

Benchmark stars for mean stellar density and surface gravity estimates of solar-type stars
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf735/8125470

A differentiable N-body code for transit timing and dynamical modelling – II. Photodynamics
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf687/8125473

Peeking under the clouds:Is exoplanet imaging with the solar gravitational lens feasible?
https://iopscience.iop.org/article/10.1088/1674-4527/add3a3

Seismic Oscillations Excited by Giant Impacts in Directly-Imaged Giant Planets
https://arxiv.org/abs/2505.01496

Comparative Biosignatures
https://arxiv.org/abs/2505.01512

Dark skies of the slightly eccentric WASP-18 b from its optical-to-infrared dayside emission
https://arxiv.org/abs/2505.01544

From Tides to Currents: Unraveling the Mechanism That Powers WASP-107b’s Internal Heat Flux
https://arxiv.org/abs/2505.01581

Closeby Habitable Exoplanet Survey (CHES). IV. Synergy between astrometry and direct imaging missions of the Habitable World Observatory for detecting Earth-like planets
https://arxiv.org/abs/2505.02818

May 05, 2025 Updates

Putting holes in a sail to reach the stars
https://pubs.aip.org/physicstoday/online/44239/Putting-holes-in-a-sail-to-reach-the-stars

Ground to Dust: Collisional Cascades and the Fate of Kardashev II Megaswarms
https://arxiv.org/abs/2504.21151

Exploring the atmosphere of GJ 1132 b with CRIRES+
https://www.aanda.org/articles/aa/full_html/2025/05/aa53163-24/aa53163-24.html

Signs of alien life on exoplanet K2-18b may actually be nothing at all
https://www.sciencedirect.com/science/article/abs/pii/S0262407925006888

Unidentified aerospace-undersea phenomena (UAP) status and outlook
https://www.sciencedirect.com/science/article/abs/pii/S0376042125000211

Four Planets Found through Microlensing Events Involving Faint Source Stars
https://iopscience.iop.org/article/10.3847/1538-3881/adc5e7

AI scientist ‘team’ joins the search for extraterrestrial life
https://www.nature.com/articles/d41586-025-01364-w

Can planet-planet binaries survive in star-forming regions?
https://arxiv.org/abs/2505.00762

Characterizing the Radiative-Convective Structure of Dense Rocky Planet Atmospheres
https://arxiv.org/abs/2505.00775

HD 35843: A Sun-like star hosting a long period sub-Neptune and inner super-Earth
https://arxiv.org/abs/2505.00898

Instrumentation prospects for rocky exoplanet atmospheres studies with high resolution spectroscopy
https://arxiv.org/abs/2505.01102

Bridging the Atmospheric Circulations of Hot and Warm Giant Exoplanets
https://arxiv.org/abs/2505.01397