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.

January 13, 2025 Updates

Gravitational Communication: Fundamentals, State-of-the-Art and Future Vision
https://arxiv.org/abs/2501.03251

Review of Deep Space Optical Communications
https://onlinelibrary.wiley.com/doi/abs/10.1002/sat.1543

Impact of photoevaporative winds in chemical models of externally irradiated protoplanetary disks
https://arxiv.org/abs/2501.05172

Antimatter in astronomy and cosmology: the early history
https://www.tandfonline.com/doi/full/10.1080/00033790.2025.2449861#d1e203

Planet formation and long-term stability in a very eccentric stellar binary
https://arxiv.org/abs/2501.05506

The 2D pressure structure of the HD 163296 protoplanetary disk as probed by multi-molecular kinematics
https://arxiv.org/abs/2501.05517

The MSG model for cloudy substellar atmospheres: A grid of self-consistent substellar atmosphere models with microphysical cloud formation
https://arxiv.org/abs/2501.05521

Stellar X-ray variability and planetary evolution in the DS Tucanae system
https://arxiv.org/abs/2501.05571

Stellar obliquities of eight close-in gas giant exoplanets
https://arxiv.org/abs/2501.05615

Exoplanet Ephemerides Change Observations (ExoEcho). I. Transit Timing Analysis of Thirty-Seven Exoplanets using HST/WFC3 Data
https://arxiv.org/abs/2501.05704

Extreme exomoons in WASP-49 Ab: dynamics and detectability
https://arxiv.org/abs/2501.05866

Smuggling unnoticed: Towards a 2D view of water and dust delivery to the inner regions of protoplanetary discs
https://arxiv.org/abs/2501.05881

Dust processing in the terrestrial planet-forming region of the PDS 70 disk
https://arxiv.org/abs/2501.05913

Understanding what helium absorption tells us about atmospheric escape from exoplanets
https://arxiv.org/abs/2501.06149

Modeling the Impact of Moderate External UV Irradiation on Disk Chemistry
https://arxiv.org/abs/2501.06156

Impact of photoevaporative winds in chemical models of externally irradiated protoplanetary disks
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf047/7951527

January 10, 2025 updates

Beyond Homochirality: Computer Modeling Hints of Heterochiral Proteins in Early and Extraterrestrial Life
https://liebertpub.com/doi/10.1089/ast.2024.0072

The Role of Atmospheric Composition in Defining the Habitable Zone Limits and Supporting E. coli Growth
https://www.mdpi.com/2075-1729/15/1/79

A new pathway to SO2 – Revealing the NUV driven sulfur chemistry in hot gas giants
https://www.aanda.org/articles/aa/full_html/2025/01/aa50598-24/aa50598-24.html

Most High-density Exoplanets Are Unlikely to Be Remnant Giant Planet’s Cores
https://iopscience.iop.org/article/10.3847/2041-8213/ad86c3

Semiclassical Estimates of Pressure-induced Line Widths for Infrared Absorption in Hot (Exo)planetary Atmospheres
https://iopscience.iop.org/article/10.3847/1538-4365/ad9b19

Oxidizing ExoCAM: Introducing the Radiative Effects of Oxygen and Ozone into the ExoCAM General Circulation Model
https://iopscience.iop.org/article/10.3847/PSJ/ad9900

Detectability of Emission from Exoplanet Outflows Calculated by pyTPCI, a New 1D Radiation-Hydrodynamic Code
https://arxiv.org/abs/2501.04834

The CO-Fuelled Time Machine: Tracing Birth Conditions and Terrestrial Planet Formation Outcomes in HD 163296 through Pebble Drift-induced CO Enhancements
https://arxiv.org/abs/2501.05316

A Disintegrating Rocky Planet with Prominent Comet-like Tails Around a Bright Star
https://arxiv.org/abs/2501.05431

Network and Kinetics-based Biosignatures: Implications for the Putative Habitable World Observatory Design
https://arxiv.org/abs/2501.04737

Identifying Flare Locations Through Exoplanet Transit Occultations
https://arxiv.org/abs/2501.04866

High-resolution imaging of the radio source associated with Project Hephaistos Dyson Sphere Candidate G
https://arxiv.org/abs/2501.05152

January 09, 2025 updates

HabSim: A Modular-Coupled Virtual Testbed for Simulating Extraterrestrial Habitat Systems
https://arc.aiaa.org/doi/10.2514/1.J063845

Dormancy in the origin, evolution and persistence of life on Earth
https://royalsocietypublishing.org/doi/10.1098/rspb.2024.2035

JWST-TST DREAMS: A Supersolar Metallicity in WASP-17 b’s Dayside Atmosphere from NIRISS SOSS Eclipse Spectroscopy
https://iopscience.iop.org/article/10.3847/1538-3881/ad97bf

A Neptune-size Planet Candidate in a 2.77 days Orbit Around TYC 8996-1013-1?
https://iopscience.iop.org/article/10.3847/2515-5172/ada615

Detecting Exomoons in Free-Floating-Planet Events from Space-based Microlensing Surveys
https://arxiv.org/abs/2501.04083

Influence of Planetary Rotation on Supersonic Flow of Lava Planets: A Two-Dimensional Horizontal Model Analysis
https://arxiv.org/abs/2501.04350

Confirmation of four hot Jupiters detected by TESS using follow-up spectroscopy from MaHPS at Wendelstein together with NEID and TRES
https://arxiv.org/abs/2501.04383

A study of the frequency and characteristics of stellar companions and Jupiter-like planets in nearby open clusters
https://arxiv.org/abs/2501.04692

January 08, 2025 updates

Why the Real Atmosphere Has More Energy than Climate Models: Implications for Ground-Based Telescopes
https://www.mdpi.com/2073-4433/16/1/56

A swarm of dusty objects in orbit around the central star of planetary nebula WeSb 1
https://link.springer.com/article/10.1038/s41550-024-02446-x

Transdisciplinary Design of Trust-Driven Clinical Decision Support Interface for Cyber-Physical Human Teams in Long-Duration Human Spaceflight
https://arc.aiaa.org/doi/10.2514/6.2025-2094

A High-resolution Spectroscopic Survey of Directly Imaged Companion Hosts. I. Determination of Diagnostic Stellar Abundances for Planet Formation and Composition
https://iopscience.iop.org/article/10.3847/1538-3881/ad8dfc

Exoplanet detection in rotational shearing interferometry through experimental setup and digital filtering techniques
https://www.frontiersin.org/journals/advanced-optical-technologies/articles/10.3389/aot.2024.1505036/full

Formation of super-Earths and mini-Neptunes from rings of planetesimals
https://arxiv.org/abs/2501.03345

Characterizing WASP-43b’s interior structure: unveiling tidal decay and apsidal motion
https://arxiv.org/abs/2501.03685

Connection between planetary He I λ10830 Å absorption and extreme-ultraviolet emission of planet-host stars
https://arxiv.org/abs/2501.03716

TOI-5108 b and TOI 5786 b: Two transiting sub-Saturns detected and characterized with TESS, MaHPS and SOPHIE
https://arxiv.org/abs/2501.03803

An absolute mass, precise age, and hints of planetary winds for WASP-121 A and b from a JWST NIRSpec phase curve
https://arxiv.org/abs/2501.03844

Tracing the Winds: A Uniform Interpretation of Helium Escape in Exoplanets from Archival Spectroscopic Observations
https://arxiv.org/abs/2501.03998

January 07, 2025 updates

Cycles of Civilization, Cosmology, and the Search for Extraterrestrial Intelligence: A Universal Framework
https://www.researchgate.net/publication/387694561_Cycles_of_Civilization_Cosmology_and_the_Search_for_Extraterrestrial_Intelligence_A_Universal_Framework_Paper_3409

Exploring Phenomenological Velocity and Faster-Than-Light (FTL) Regimes
https://philpapers.org/archive/EMMEPV.pdf

Towards Kardashev-Scale Type I of Human Advancement in Technological Civilization: An Innovative Solar Annular System for Energy Harnessing
https://arc.aiaa.org/doi/abs/10.2514/6.2025-2028

Exploring Higher-Dimensional Geometries to Conceptualize Outrunning a Photon
https://www.researchgate.net/publication/387671975_Exploring_Higher-Dimensional_Geometries_to_Conceptualize_Outrunning_a_Photon_Paper_2151

Travelling Between Extrasolar Planets
https://link.springer.com/chapter/10.1007/978-3-031-57696-6_10

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

Giant exoplanet composition – The impact of the hydrogen–helium equation of state and interior structure
https://www.aanda.org/articles/aa/full_html/2025/01/aa52783-24/aa52783-24.html

The ESO SupJup Survey V: Exploring atmospheric variability and orbit of the super-Jupiter AB Pictoris b with CRIRES+
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf004/7943702

In Search of Extraterrestrial Artificial Intelligence Through Dyson Sphere–like Structures around Primordial Black Holes
https://iopscience.iop.org/article/10.3847/1538-4357/ad9b10

Metal Pollution in Sun-like Stars from Destruction of Ultra–short-period Planets
https://iopscience.iop.org/article/10.3847/2041-8213/ada1ce

Earth-like Exoplanets in Spin–Orbit Resonances: Climate Dynamics, 3D Atmospheric Chemistry, and Observational Signatures
https://iopscience.iop.org/article/10.3847/PSJ/ad9565

Polycyclic Aromatic Hydrocarbons as an Extraterrestrial Atmospheric Technosignature
https://iopscience.iop.org/article/10.3847/PSJ/ad98eb

Distinct types of C-H-O-N atmospheres and surface pressures depending on melt redox state and outgassing efficiency
https://www.sciencedirect.com/science/article/abs/pii/S0019103524005104

Ignan Earths: Habitability of Terrestrial Planets With Extreme Internal Heating
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023JE008029

Exoplanet Imaging via Differentiable Rendering
https://ieeexplore.ieee.org/document/10824793

Statistical trends in JWST transiting exoplanet atmospheres
https://arxiv.org/abs/2501.02081

MOA-2022-BLG-033Lb, KMT-2023-BLG-0119Lb, and KMT-2023-BLG-1896Lb: Three low mass-ratio microlensing planets detected through dip signals
https://arxiv.org/abs/2501.02193

Planetary Edge Trends (PET). I. The Inner Edge-Stellar Mass Correlation
https://arxiv.org/abs/2501.02215

TOI-6038 A b: A dense sub-Saturn in the transition regime between the Neptunian ridge and savanna
https://arxiv.org/abs/2501.02272

An Independent Search for Small Long-period Planets in Kepler Data I: Detection Pipeline
https://arxiv.org/abs/2501.03019

Dynamics of the Beta Pictoris planetary system and possibility of an additional planet
https://arxiv.org/abs/2501.03143

Superhabitable Planets Around Mid-Type K Dwarf Stars Enhance Simulated JWST Observability and Surface Habitability
https://arxiv.org/abs/2501.03214