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.

August 31, 2023 updates

A super-massive Neptune-sized planet
https://www.nature.com/articles/s41586-023-06499-2

Planet formation throughout the Milky Way: Planet populations in the context of Galactic chemical evolution
https://arxiv.org/abs/2308.15504

Data-Driven Approaches to Searches for the Technosignatures of Advanced Civilizations
https://arxiv.org/abs/2308.15518

Discovery of Spherules of Likely Extrasolar Composition in the Pacific Ocean Site of the CNEOS 2014-01-08 (IM1) Bolide
https://arxiv.org/abs/2308.15623

The Inhomogeneity Effect I: Inhomogeneous Surface and Atmosphere Accelerate Planetary Cooling
https://arxiv.org/abs/2308.16155

The Inhomogeneity Effect II: Rotational and Orbital States Impact Planetary Cooling
https://arxiv.org/abs/2308.16156

The Inhomogeneity Effect III: Weather Impacts on the Heat Flow of Hot Jupiters
https://arxiv.org/abs/2308.16165

August 30, 2023 updates

TESS discovery of a super-Earth orbiting the M-dwarf star TOI-1680 https://www.aanda.org/articles/aa/full_html/2023/09/aa47040-23/aa47040-23.html

TOI-4600 b and c: Two Long-period Giant Planets Orbiting an Early K Dwarf https://iopscience.iop.org/article/10.3847/2041-8213/aceb69

A hybrid multi-start metaheuristic scheduler for astronomical observations
https://www.sciencedirect.com/science/article/pii/S0952197623010400

Earth as a Transiting Exoplanet: A Validation of Transmission Spectroscopy and Atmospheric Retrieval Methodologies for Terrestrial Exoplanets
https://arxiv.org/abs/2308.14804

Interstellar Diplomacy
https://arxiv.org/abs/2308.14917

August 29, 2023 updates

Needles in the Milky Way Haystack: Searching for Dim Stars, Distant Planets, and Extraterrestrial Technology
https://etda.libraries.psu.edu/catalog/21983mzh616

Cold Jupiters and improved masses in 38 Kepler and K2 small planet systems from 3661 HARPS-N radial velocities – No excess of cold Jupiters in small planet systems
https://www.aanda.org/articles/aa/full_html/2023/09/aa46211-23/aa46211-23.html

Constraints on sub-terrestrial free-floating planets from Subaru microlensing observations
https://arxiv.org/abs/2308.13593

Lava planets interior dynamics govern the long-term evolution of their magma oceans
https://arxiv.org/abs/2308.13614

Detection of atmospheric species and dynamics in the bloated hot Jupiter WASP-172~b with ESPRESSO
https://arxiv.org/abs/2308.13622

Fully fluorinated non-carbon compounds NF3 and SF6 as ideal technosignature gases
https://arxiv.org/abs/2308.13667

Evolution of the Planetary Obliquity: The Eccentric Kozai-Lidov Mechanism Coupled with Tide
https://arxiv.org/abs/2308.13923

Formation of inner planets in the presence of a Cold Jupiter: orbital evolution and relative velocities of planetesimals
https://arxiv.org/abs/2308.14347

ATMOSPHERIX: I- An open source high resolution transmission spectroscopy pipeline for exoplanets atmospheres with SPIRou
https://arxiv.org/abs/2308.14510

ATMOSPHERIX: II- Characterising exoplanet atmospheres through transmission spectroscopy with SPIRou
https://arxiv.org/abs/2308.14511

An adaptive optics upgrade for the Automated Planet Finder Telescope using an adaptive secondary mirror
https://arxiv.org/abs/2308.14709

August 28, 2023 Updates

DREAM III. A helium survey in exoplanets on the edge of the hot Neptune desert with GIANO-B at TNG
https://www.aanda.org/articles/aa/full_html/2023/08/aa46419-23/aa46419-23.html

Interior–atmosphere modelling to assess the observability of rocky planets with JWST
https://www.aanda.org/articles/aa/full_html/2023/09/aa45736-22/aa45736-22.html

TOI-1416: A system with a super-Earth planet with a 1.07 d period
https://www.aanda.org/articles/aa/full_html/2023/09/aa46370-23/aa46370-23.html

Atlas of historical and proposed nuclear devices and power systems in the Earth-Moon System and wider Solar System
https://www.sciencedirect.com/science/article/abs/pii/S0149197023002925

Is There an Earth-like Planet in the Distant Kuiper Belt?
https://iopscience.iop.org/article/10.3847/1538-3881/aceaf0

Using Photometrically-Derived Properties of Young Stars to Refine TESS’s Transiting Young Planet Survey Completeness
https://arxiv.org/abs/2308.13039

Exploring the Use of Generative AI in the Search for Extraterrestrial Intelligence (SETI)
https://arxiv.org/abs/2308.13125

Impact of hot exozodiacal dust on the polarimetric analysis of close-in exoplanets
https://arxiv.org/abs/2308.13253

A compact multi-planet system transiting HIP 29442 (TOI-469) discovered by TESS and ESPRESSO. Radial velocities lead to the detection of transits with low signal-to-noise ratio
https://arxiv.org/abs/2308.13310

August 25, 2023 updates

DREAM – III. A helium survey in exoplanets on the edge of the hot Neptune desert with GIANO-B at TNG
https://www.aanda.org/articles/aa/full_html/2023/08/aa46419-23/aa46419-23.html

Bayesian Analysis for Remote Biosignature Identification on exoEarths (BARBIE). I. Using Grid-based Nested Sampling in Coronagraphy Observation Simulations for H2O
https://iopscience.iop.org/article/10.3847/1538-3881/acebc3

Compucache: An Interstellar Data and Computation Hub
https://www.researchgate.net/publication/373360230_Compucache_An_Interstellar_Data_and_Computation_Hub

Study of Atmospheric Ion Escape From Exoplanet TOI‐700 d: Venus Analogs
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023JA031405

On the origin of quasi-periodicity in the atmospheres of Earth, Jupiter, Saturn and the Sun
https://arxiv.org/abs/2308.12583