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.

December 03, 2024 updates

Alternative Solvents for Life: Framework for Evaluation, Current Status, and Future Research
https://liebertpub.com/doi/10.1089/ast.2024.0004

A dry Venusian interior constrained by atmospheric chemistry
https://www.nature.com/articles/s41550-024-02414-5

Continuous Design and Reprogramming of Totimorphic Structures for Space Applications
https://arxiv.org/abs/2411.15266

Machine learning methods for automated interstellar object classification with LSS
https://www.aanda.org/articles/aa/full_html/2024/11/aa51118-24/aa51118-24.html

Planet-star interactions with precise transit timing: IV. Probing the regime of dynamical tides for GK host stars
https://www.aanda.org/articles/aa/full_html/2024/12/aa52101-24/aa52101-24.html

Impact of solar-wind turbulence on a planetary bow shock: A global 3D simulation
https://www.aanda.org/articles/aa/full_html/2024/12/aa51520-24/aa51520-24.html

An impact-free mechanism to deliver water to terrestrial planets and exoplanets
https://www.aanda.org/articles/aa/full_html/2024/12/aa51263-24/aa51263-24.html

The GAPS programme at TNG: LXII. Studies of atmospheric FeII winds in ultra-hot Jupiters KELT-9b and KELT-20b using the HARPS-N spectrograph
https://www.aanda.org/articles/aa/full_html/2024/12/aa51277-24/aa51277-24.html

The GAPS programme at TNG: LXIII. Photo-evaporating puzzle: Exploring the enigmatic nature of TOI-5398 b’s atmospheric signal
https://www.aanda.org/articles/aa/full_html/2024/12/aa51237-24/aa51237-24.html

The NEID Earth Twin Survey. I. Confirmation of a 31 Day Planet Orbiting HD 86728
https://iopscience.iop.org/article/10.3847/1538-3881/ad89bf

The Roasting Marshmallows Program with IGRINS on Gemini South. II. WASP-121 b has Superstellar C/O and Refractory-to-volatile Ratios
https://iopscience.iop.org/article/10.3847/1538-3881/ad8574

A Global Perspective with Updated Constraints on the Ultra-hot Jupiter WASP-19b: Atmospheric Properties and Stellar Activity
https://iopscience.iop.org/article/10.3847/1538-3881/ad863f

Chemical Complexity and Prevalence of Life in the Universe: A New Method for the Estimation of Key Terms of Drake Equation
https://arxiv.org/abs/2412.01001

Detectability of biosignatures in warm, water-rich atmospheres
https://arxiv.org/abs/2412.01266

Time Resolved Absorption of Six Chemical Species With MAROON-X Points to Strong Drag in the Ultra Hot Jupiter TOI-1518 b
https://arxiv.org/abs/2412.01472

Concealing Circumbinary Planets with Tidal Shrinkage
https://arxiv.org/abs/2412.01616

December 02, 2024 Updates

Principium 47
https://i4is.org/principium-47

A giant planet transiting a 3-Myr protostar with a misaligned disk
https://arxiv.org/abs/2411.18683

Convective mixing in distant and close-in giant planets — Dependences on the initial composition, luminosity, bloating and semi-convection
https://arxiv.org/abs/2411.18686

Potential for life to exist and be detected on Earth-like planets orbiting white dwarfs
https://arxiv.org/abs/2411.18934

Orbital Migration through Atmospheric Mass Loss
https://arxiv.org/abs/2411.18960

Methods to Characterise Exoplanet Host Stars from Spectroscopy
https://arxiv.org/abs/2411.19306

Experimental tests of the calibration of high precision differential astrometry for exoplanets
https://arxiv.org/abs/2411.19524

Long-term stability and dynamical spacing of compact planetary systems
https://arxiv.org/abs/2411.19590

Retrieving wind properties from the ultra-hot dayside of WASP-189b with CRIRES
https://arxiv.org/abs/2411.19662

ET: What should we do?
https://academic.oup.com/astrogeo/article-abstract/65/6/6.19/7913884

Astronomy, society and sustainability: how we can help to save the planet
https://academic.oup.com/astrogeo/article/65/6/6.12/7913894

Two Intriguing Transits of HIP 23309 Observed by TESS
https://iopscience.iop.org/article/10.3847/2515-5172/ad9743

Signature of Vertical Mixing in Hydrogen-dominated Exoplanet Atmospheres
https://iopscience.iop.org/article/10.3847/1538-4357/ad891f

Single Transit Detection in Kepler with Machine Learning and Onboard Spacecraft Diagnostics
https://iopscience.iop.org/article/10.3847/1538-3881/ad834c

November 28, 2024 updates

The Philosophical Aspects of Astrobiology
https://pergamos.lib.uoa.gr/uoa/dl/frontend/en/browse/3421131

Cognitive performance in ISS astronauts on 6-month low earth orbit missions
https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2024.1451269/full

SwRI researchers use chemistry modeling software to detect conditions for microbial life on icy worlds
https://www.swri.org/press-release/swri-researchers-use-chemistry-modeling-software-detect-conditions-microbial-life-icy

Iron sulfide-catalyzed gaseous CO2 reduction and prebiotic carbon fixation in terrestrial hot springs
https://www.nature.com/articles/s41467-024-54062-y

A Measurement of the Water Abundance in the Atmosphere of the Hot Jupiter WASP-43b with High-resolution Cross-correlation Spectroscopy
https://arxiv.org/abs/2411.17923

Potential technosignature from anomalously low deuterium/hydrogen (D/H) in planetary water depleted by nuclear fusion technology
https://arxiv.org/abs/2411.18595

November 27, 2024 updates

Solar System Migration Points to a Renewed Concept: Galactic Habitable Orbits
https://iopscience.iop.org/article/10.3847/2041-8213/ad9260

Did the terrestrial planets of the solar system form by pebble accretion?
https://www.sciencedirect.com/science/article/pii/S0012821X24005521

Comment on “Did the terrestrial planets of the Solar System form by pebble accretion?”
https://arxiv.org/abs/2411.17043

Validating the Orbital Periods of the Coolest TESS Exoplanet Candidates
https://arxiv.org/abs/2411.17640

A link between rocky exoplanet composition and stellar age
https://arxiv.org/abs/2411.17358

OrCAS: Origins, Compositions, and Atmospheres of Sub-neptunes. I. Survey Definition
https://arxiv.org/abs/2411.16836

Water-rich sub-Neptunes and rocky super Earths around different Stars: Radii shaped by Volatile Partitioning, Formation, and Evolution
https://arxiv.org/abs/2411.16879

Revisiting the conundrum of the sub-Jovian and Neptune desert. A new approach that incorporates stellar properties
https://arxiv.org/abs/2411.16960

Gas dynamics around a Jupiter mass planet: II. Chemical evolution of circumplanetary material
https://arxiv.org/abs/2411.17408

Searching for star-planet interactions in GJ 486 at radio wavelengths with the uGMRT
https://arxiv.org/abs/2411.17689