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.

November 11, 2024 Updates

The Spider Stellar Engine: a Fully Steerable Extraterrestrial Design?
https://arxiv.org/abs/2411.05038

The cold Jupiter eccentricity distribution is consistent with EKL driven by stellar companions
https://arxiv.org/abs/2411.05066

Sites of Planet Formation in Binary Systems. II. Double the Disks in DF Tau
https://arxiv.org/abs/2411.05203

KMT-2024-BLG-1044L: A sub-Uranus microlensing planet around a host at the star-brown dwarf mass boundary
https://arxiv.org/abs/2411.05268

Migration of celestial bodies in the Solar system and in several exoplanetary systems
https://arxiv.org/abs/2411.05436

Examining the rotation of the planet-hosting M dwarf GJ 3942
https://arxiv.org/abs/2411.05498

Planetesimal gravitational collapse in a gaseous environment: Thermal and dynamic evolution
https://arxiv.org/abs/2411.05505

Formation and evolution of a protoplanetary disk: Combining observations, simulations, and cosmochemical constraints
https://www.aanda.org/articles/aa/full_html/2024/11/aa51388-24/aa51388-24.html

Dust mineralogy and variability of the inner PDS 70 disk: Insights from JWST/MIRI MRS and Spitzer IRS observations
https://www.aanda.org/articles/aa/full_html/2024/11/aa51589-24/aa51589-24.html

Shadows Wreak Havoc in Transition Disks
https://iopscience.iop.org/article/10.3847/1538-4357/ad8233

Reactivity of chondritic meteorites under H2-rich atmospheres: Formation of H2S.
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae2520/7889024

November 08, 2024 updates

Sending Astronauts Created by Synthetic Biology and AI with Plant Characteristics to Exoplanets:A Consideration for Humanity’s Future Beyond the Solar System
https://www.preprints.org/manuscript/202411.0147/v1

Extremophiles and Extremophilic Behaviour—New Insights and Perspectives
https://www.mdpi.com/2075-1729/14/11/1425

An ultra-short-period super-Earth with an extremely high density and an outer companion
https://link.springer.com/article/10.1038/s41598-024-76490-y

Origin of transition disk cavities – Pebble-accreting protoplanets vs super-Jupiters
https://www.aanda.org/articles/aa/full_html/2024/11/aa51511-24/aa51511-24.html

Yuti: A General-purpose Transit Simulator for Arbitrary Shaped Objects Orbiting Stars
https://iopscience.iop.org/article/10.3847/1538-3881/ad7d8d

Migration of Accreting Planets and Black Holes in Disks
https://iopscience.iop.org/article/10.3847/1538-4357/ad7117

The Polar Vortex Hypothesis: Evolving, Spectrally Distinct Polar Regions Explain Short- and Long-term Light-curve Evolution and Color–Inclination Trends in Brown Dwarfs and Giant Exoplanets
https://iopscience.iop.org/article/10.3847/2041-8213/ad87e9

How might a planet between mars and jupiter influence the inner solar system? effects on orbital motion, obliquity, and eccentricity
https://www.sciencedirect.com/science/article/abs/pii/S001910352400424X

Exoplanets across galactic stellar populations with PLATO. Estimating exoplanet yields around FGK stars for the thin disk, thick disk, and stellar halo
https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/202451537

A Planet Candidate Orbiting near the Hot Jupiter TOI-2818 b Inferred through Transit Timing
https://arxiv.org/abs/2411.04192

Probabilities of collisions of bodies ejected from forming Earth with the terrestrial planets
https://arxiv.org/abs/2411.04218

A new pathway to SO2: Revealing the NUV driven sulfur chemistry in hot gas giants
https://arxiv.org/abs/2411.04781

November 07, 2024 updates

Gravitational Void Theory: A Novel Solution to the Fermi Paradox and the Limits of Cosmic Civilization
https://www.researchgate.net/publication/385496675_Gravitational_Void_Theory_A_Novel_Solution_to_the_Fermi_Paradox_and_the_Limits_of_Cosmic_Civilization

Exophilosophy: The Philosophical Implications of Alien Life
https://www.google.com/books/edition/Exophilosophy/FFDw0AEACAAJ?hl=en

Effects of the internal temperature on vertical mixing and on cloud structures in ultra-hot Jupiters
https://www.aanda.org/articles/aa/full_html/2024/11/aa51823-24/aa51823-24.html

MARFA: An Effective Line-by-line Tool for Calculating Absorption Coefficients and Cross-sections in Planetary Atmospheres
https://arxiv.org/abs/2411.03418

Exo-Daisy World: Revisiting Gaia Theory through an Informational Architecture Perspective
https://arxiv.org/abs/2411.03421

Formation of Terrestrial Planets
https://arxiv.org/abs/2411.03453

Host-star and exoplanet composition: Polluted white dwarf reveals depletion of moderately refractory elements in planetary material
https://arxiv.org/abs/2411.03454

Redshifting the Study of Cold Brown Dwarfs and Exoplanets: the Mid-Infrared Wavelength Region as an Indicator of Surface Gravity and Mass
https://arxiv.org/abs/2411.03549

November 06, 2024 updates

PROJECT HYPERION Design Competition
https://www.projecthyperion.org/

Self-consistent N-body simulation of planetesimal-driven migration. I. The trajectories of single planets in the uniform background
https://academic.oup.com/pasj/advance-article-abstract/doi/10.1093/pasj/psae090/7876448

Searching for GEMS: Characterizing Six Giant Planets Around Cool Dwarfs
https://iopscience.iop.org/article/10.3847/1538-3881/ad7796

HD 119130 b is not an “ultra-dense” sub-Neptune
https://arxiv.org/abs/2411.02518

The impact of observing cadence and undetected companions on the accuracy of planet mass measurements from radial velocity monitoring
https://arxiv.org/abs/2411.02521

On the local formation of the TRAPPIST-1 exoplanets
https://arxiv.org/abs/2411.02529

JWST COMPASS: The first near- to mid-infrared transmission spectrum of the hot super-Earth L 168-9 b
https://arxiv.org/abs/2411.03154

November 05, 2024 updates

Xenolinguistics: Towards a Science of Extraterrestrial Language
https://www.summerfieldbooks.com/product/xenolinguistics-towards-a-science-of-extraterrestrial-language-2/

Breaking the barrier: Travelling faster than light through wormhole
https://www.irjmets.com/paperdetail.php?paperId=4d23cdf2444153b0f43e5adaef792c0b&title=Breaking+the+barrier%3A+Travelling+faster+than+light+through+wormhole&authpr=Sanjib+Khadka+

erographite: a Candidate Material for Interstellar Photon Sailing
https://bis-space.com/shop/product/jbis-077-05-0142/

Revisiting the multi-planetary system of the nearby star HD 20794. Confirmation of a low-mass planet in the habitable zone of a nearby G-dwarf
https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/202451769

Our Solar System Neighborhood: Three Diverging Tales of Planetary Habitability and Windows to Earth’s Past and Future
https://arxiv.org/abs/2411.01150

Origins of Super Jupiters: TOI-2145b Has a Moderately Eccentric and Nearly Aligned Orbit
https://arxiv.org/abs/2411.01356

Improving the parametrization of transport and mixing processes in planetary atmospheres: the importance of implementing the full Coriolis acceleration
https://arxiv.org/abs/2411.01920

A proposed signal discovery method in interstellar communication
https://arxiv.org/abs/2411.02081