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.

March 18, 2025 updates

JWST-TST High Contrast: Living on the Wedge, or, NIRCam Bar Coronagraphy Reveals CO2 in the HR 8799 and 51 Eri Exoplanets’ Atmospheres
https://iopscience.iop.org/article/10.3847/1538-3881/adb1c6

Impacts of UV Radiation from an AGN on Planetary Atmospheres and Consequences for Galactic Habitability
https://iopscience.iop.org/article/10.3847/1538-4357/adac5d

The GAPS Programme at TNG – LXVII. Detection of water and preliminary characterisation of the atmospheres of the two hot Jupiters: KELT-8 b and KELT-23 Ab
https://www.aanda.org/articles/aa/full_html/2025/03/aa52733-24/aa52733-24.html

Three-dimensional dynamical evolution of cloud particle microphysics in sub-stellar atmospheres – I. Description and exploring Y-dwarf atmospheric variability
https://www.aanda.org/articles/aa/full_html/2025/03/aa52922-24/aa52922-24.html

LavAtmos 2.0 – Incorporating volatile species in vaporisation models
https://www.aanda.org/articles/aa/full_html/2025/03/aa50992-24/aa50992-24.html

Hot Rocks Survey I: A possible shallow eclipse for LHS 1478 b
https://www.aanda.org/articles/aa/full_html/2025/03/aa52611-24/aa52611-24.html

Cold dayside winds shape large leading streams in evaporating exoplanet atmospheres
https://www.aanda.org/articles/aa/full_html/2025/03/aa52740-24/aa52740-24.html

C3PO IV: co-natal stars depleted in refractories are magnetically more active – possible imprints of planets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf436/8082124

A Machine Learning–ready Data Set for Exoplanet Atmospheric Retrieval
https://iopscience.iop.org/article/10.3847/1538-4365/adb03a

The photovoltaic Dyson sphere
https://www.sciencedirect.com/science/article/pii/S0927024825001904

Investigating the 1L2S Degeneracy for Wide-Orbit Planets
https://arxiv.org/abs/2503.11768

An Analysis of Spitzer Phase Curves for WASP-121b and WASP-77Ab
https://arxiv.org/abs/2503.12521

Advancing European High-Contrast Imaging R&D Towards the Habitable Worlds Observatory
https://arxiv.org/abs/2503.12707

An Early Look at the Performance of IGRINS-2 at Gemini-North with Application to the ultrahot Jupiter, WASP-33 b
https://arxiv.org/abs/2503.12736

The Impact of Stellar Flares on the Atmospheric Escape of Exoplanets orbiting M stars I: Insights from the AU Mic System
https://arxiv.org/abs/2503.13353

March 17, 2025 Updates

Theoretical limits of passive daytime radiative cooling in extraterrestrial environments: implications for space exploration
https://opg.optica.org/oe/fulltext.cfm?uri=oe-33-6-12766&id=569057

Extraterrestrial Life: We are not alone
https://link.springer.com/book/10.1007/978-3-031-83497-4

Stanisław Lem’s World: Visionary Thinker of Science, Philosophy, and the Simulation Hypothesis
https://www.researchgate.net/publication/389740476_Stanislaw_Lem%27s_World_Visionary_Thinker_of_Science_Philosophy_and_the_Simulation_Hypothesis

Activity of TOI-3568 and Mass Loss of the Atmosphere of Its Exoplanet in the Sub-Jovian Desert
https://link.springer.com/article/10.1134/S1063772925701379

Searching for Biomarkers with Spektr-UF Observatory: Nitric Oxide Molecule in Atmospheres of Exoplanets near the Active Host Stars
https://link.springer.com/article/10.1134/S1063772925701355

Formation of Ultra-short-period Planets in Hot Jupiter Systems: Application to WASP-47
https://iopscience.iop.org/article/10.3847/2041-8213/adbae6

Evidence for an Accretion Bridge in the DX Cha Circumbinary System from VLTI/MATISSE Observations
https://iopscience.iop.org/article/10.3847/1538-4357/adb727

General Post-Newtonian Orbital Effects: From Earth’s Satellites to the Galactic Centre
https://www.cambridge.org/core/books/general-postnewtonian-orbital-effects/FCC595138F971501888E513BADA58680

Signatures of Atmospheric Mass Loss and Planet Migration in the Time Evolution of Short-Period Transiting Exoplanets
https://arxiv.org/abs/2503.10856

Dust Clumping in Outer Protoplanetary Disks: the Interplay Among Four Instabilities
https://arxiv.org/abs/2503.11076

Microlensing Constraints on the Stellar and Planetary Mass Functions
https://arxiv.org/abs/2503.11597

March 14, 2025 updates

A Novel Approach to Faster-Than-Light Communication Using Alcubierre Concepts
https://www.researchgate.net/publication/382727076_A_Novel_Approach_to_Faster-Than-Light_Communication_Using_Alcubierre_Concepts

Low 4.5 μm Dayside Emission Disfavors a Dark Bare-Rock scenario for the Hot Super-Earth TOI-431 b
https://arxiv.org/abs/2503.09698

Results from NASA’s First Radio Telescope on the Moon: Terrestrial Technosignatures and the Low-Frequency Galactic Background Observed by ROLSES-1 Onboard the Odysseus Lander
https://arxiv.org/abs/2503.09842

C3PO IV: co-natal stars depleted in refractories are magnetically more active — possible imprints of planets
https://arxiv.org/abs/2503.10339

March 13, 2025 updates

Life by Chemical Evolution? A Review and Evaluation of Experiments and Hypotheses
https://link.springer.com/book/9783662707517

Investigating the eccentricity distribution of transiting, long-period giant planets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf418/8071980

Anomaly Detection and Radio-frequency Interference Classification with Unsupervised Learning in Narrowband Radio Technosignature Searches
https://iopscience.iop.org/article/10.3847/1538-3881/adb8e7

The Roman Microlensing Survey: Confirmation or Refutation of Gas Giant Exoplanet Formation Theories
https://iopscience.iop.org/article/10.3847/1538-4357/adb728

Towards High Precision Mass Measurements of Two Sub-Neptunes in the K2-266 Planetary System Through Transit Timing
https://arxiv.org/abs/2503.08905

Probing 2D Asymmetries of an Exoplanet Atmosphere from Chromatic Transit Variation
https://arxiv.org/abs/2503.08988

Earth as an Exoplanet: Investigating the effects of cloud variability on the direct-imaging of atmospheres
https://arxiv.org/abs/2503.09136

March 12, 2025 updates

The Ouroboran Hypothesis: A Self-Sustaining Biological Paradox in a Nonlinear Universe
https://www.researchgate.net/publication/389679536_The_Ouroboran_Hypothesis_A_Self-Sustaining_Biological_Paradox_in_a_Nonlinear_Universe

Exponential distance relation (aka Titius-Bode rule) in extra solar planetary systems
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf405/8071238

Review and Prospects of Hot Exozodiacal Dust Research For Future Exo-Earth Direct Imaging Missions
https://iopscience.iop.org/article/10.1088/1538-3873/adb6d5

Discovery of a Jupiter Analog Misaligned to the Inner Planetary System in HD 73344
https://iopscience.iop.org/article/10.3847/1538-3881/ada60a

The Response of Planetary Atmospheres to the Impact of Icy Comets. I. Tidally Locked Exo-Earths
https://iopscience.iop.org/article/10.3847/1538-4357/ad96ad

Four Sub-Earth Planets Orbiting Barnard’s Star from MAROON-X and ESPRESSO
https://iopscience.iop.org/article/10.3847/2041-8213/adb8d5

The Case for Edge-On Binaries: An Avenue Toward Comparative Exoplanet Demographics
https://arxiv.org/abs/2503.08583

PEPSI Investigation, Retrieval, and Atlas of Numerous Giant Atmospheres (PIRANGA). II. Phase-Resolved Cross-Correlation Transmission Spectroscopy of KELT-20b
https://arxiv.org/abs/2503.07719

PEPSI Investigation, Retrieval, and Atlas of Numerous Giant Atmospheres (PIRANGA). III. Composition and winds in the atmosphere of TOI-1518 b
https://arxiv.org/abs/2503.07723

HADES RV Programme with HARPS-N at TNG. XVI. A super-Earth in the habitable zone of the GJ 3998 multi-planet system
https://arxiv.org/abs/2503.08405

There’s more to life in reflected light: Simulating the detectability of a range of molecules for high-contrast, high-resolution observations of non-transiting terrestrial exoplanets
https://arxiv.org/abs/2503.08592

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