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 15, 2025 updates

A One-Dimensional Energy Balance Model Parameterization for the Formation of CO2 Ice on the Surfaces of Eccentric Extrasolar Planets
https://liebertpub.com/doi/10.1089/ast.2023.0103

The punctuated evolution of the Venusian atmosphere from a transition in mantle convective style and volcanic outgassing
https://www.science.org/doi/10.1126/sciadv.adn9861

Discovery of a cold giant planet and mass measurement of a hot super-Earth in the multi-planetary system WASP-132
https://www.aanda.org/articles/aa/full_html/2025/01/aa48177-23/aa48177-23.html

Surveys of the scientific community on the existence of extraterrestrial life
https://www.nature.com/articles/s41550-024-02451-0

Predictions of Dust Continuum Emission from a Potential Circumplanetary Disk: A Case Study of the Planet Candidate AB Aurigae b
https://iopscience.iop.org/article/10.3847/1538-4357/ad9b21

Promise and Peril: Stellar Contamination and Strict Limits on the Atmosphere Composition of TRAPPIST-1 c from JWST NIRISS Transmission Spectra
https://iopscience.iop.org/article/10.3847/2041-8213/ada381

Algorithms for encoding interstellar messages
https://www.sciencedirect.com/science/article/abs/pii/S009457652500013X

The PLATO field selection process. II. Characterization of LOPS2, the first long-pointing field
https://arxiv.org/abs/2501.07687

High-Contrast Imaging: Hide and Seek with Exoplanets
https://arxiv.org/abs/2501.07976

Architecture Classification for Extrasolar Planetary Systems
https://arxiv.org/abs/2501.08191

A Disintegrating Rocky World Shrouded in Dust and Gas: Mid-IR Observations of K2-22b using JWST
https://arxiv.org/abs/2501.08301

January 14, 2025 updates

Financing the Race to Space: How to Value, Invest, and Explore the Universe
https://link.springer.com/book/10.1007/978-3-031-73102-0

Deep radio interferometric search for decametre radio emission from the exoplanet Tau Boötis b
https://www.aanda.org/articles/aa/full_html/2025/01/aa52868-24/aa52868-24.html

GI 725A b: A potential super-Earth detected with SOPHIE and SPIRou in an M dwarf binary system at 3.5 pc
https://www.aanda.org/articles/aa/full_html/2025/01/aa51646-24/aa51646-24.html

New TESS Secondary Eclipses Confirm Orbital Decay of Kepler-1658b
https://iopscience.iop.org/article/10.3847/2515-5172/ada7fb

Long-lived Habitable Zones around White Dwarfs undergoing Neon-22 Distillation
https://arxiv.org/abs/2501.06613

Deep radio interferometric search for decametre radio emission from the exoplanet Tau Boötis b
https://arxiv.org/abs/2501.06301

The TESS-Keck Survey XXIV: Outer Giants may be More Prevalent in the Presence of Inner Small Planets
https://arxiv.org/abs/2501.06342

From Stability to Instability: Characterizing the Eccentricities of Multi-planet Systems in the California Kepler Survey as a Means of Studying Stability
https://arxiv.org/abs/2501.06358

The heating efficiency of hot Jupiters from a data-driven perspective
https://arxiv.org/abs/2501.06395

Polycyclic Aromatic Hydrocarbons (PAHs) as an Extraterrestrial Atmospheric Technosignature
https://arxiv.org/abs/2501.06462

Study of Migration of Giant Planets and Formation of Populations of Distant Trans-Neptunian Objects in the Nice Model
https://arxiv.org/abs/2501.07142

X-ray activity of nearby G-, K-, and M-type stars and implications for planet habitability around M stars
https://arxiv.org/abs/2501.07313

Is planetary inward migration responsible for GJ 504’s fast rotation and bright X-ray luminosity? New constraints from eROSITA
https://arxiv.org/abs/2501.07402

Dusty disk as a safe haven for terrestrial planets: Effect of back-reaction of solid material on gas
https://arxiv.org/abs/2501.07403

Three-dimensional transport of solids in a protoplanetary disk containing a growing giant planet
https://arxiv.org/abs/2501.07520

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