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 4, 2023 Updates

Evaluation and Synthesis of four Extraterrestrial civilization Classification Systems
https://nhsjs.com/2023/evaluation-and-synthesis-of-four-extraterrestrial-civilization-classification-systems/

Atmospheric Escape From Three Terrestrial Planets in the L 98-59 System
https://arxiv.org/abs/2312.00062

Atmospheric metallicity and C/O of HD 189733 b from high-resolution spectroscopy
https://arxiv.org/abs/2312.00141

Initial Results From the First Field Expedition of UAPx to Study Unidentified Anomalous Phenomena
https://arxiv.org/abs/2312.00558

December 1, 2023 updates

Development of Solar Sail for Interstellar Exploration
https://link.springer.com/chapter/10.1007/978-3-031-38446-2_22

A Neptune-mass exoplanet in close orbit around a very low-mass star challenges formation models
https://www.science.org/doi/10.1126/science.abo0233

Detecting Biosignatures in Nearby Rocky Exoplanets using High-Contrast Imaging and Medium-Resolution Spectroscopy with Extremely Large Telescope
https://arxiv.org/abs/2311.18117

Scaling K2 VII: Evidence for a high occurrence rate of hot sub-Neptunes at intermediate ages
https://arxiv.org/abs/2311.18709

November 30, 2023 updates

A resonant sextuplet of sub-Neptunes transiting the bright star HD 110067
https://www.nature.com/articles/s41586-023-06692-3

Cooperative Evolutionary Pressure and Diminishing Returns Might Explain the Fermi Paradox: On What Super-AIs Are Like and Why We Don’t See Them
https://osf.io/bq438/

Thermal Synthesis of Carbamic Acid and Its Dimer in Interstellar Ices: A Reservoir of Interstellar Amino Acids
https://pubs.acs.org/doi/10.1021/acscentsci.3c01108

Ground-breaking Exoplanet Science with the ANDES spectrograph at the ELT
https://arxiv.org/abs/2311.17075

The Carbon-Deficient Evolution of TRAPPIST-1c
https://arxiv.org/abs/2311.17699

Spin Dynamics of Planets in Resonant Chains
https://arxiv.org/abs/2311.17908

November 29, 2023 updates

Three Warm Jupiters around Solar-analog Stars Detected with TESS
https://iopscience.iop.org/article/10.3847/1538-3881/ad06bc

The Fermi paradox and the Drake equation
https://www.sciencedirect.com/science/article/abs/pii/S0094576523006069

TOI-1670 c, a 40-day Orbital Period Warm Jupiter in a Compact System, is Well-aligned
https://arxiv.org/abs/2311.16237

The EBLM Project — From False Positives to Benchmark Stars and Circumbinary Exoplanets
https://arxiv.org/abs/2311.16677

November 28, 2023 updates

A remarkable mistake in obtaining the Tsiolkovsky formula and the consequence from it
https://www.researchgate.net/publication/375747975_Zamecatelnaa_osibka_v_polucenii_formuly_Ciolkovskogo_i_sledstvia_iz_nee_A_remarkable_mistake_in_obtaining_the_Tsiolkovsky_formula_and_its_corollaries

Optical properties of organic haze analogues in water-rich exoplanet atmospheres observable with JWST
https://link.springer.com/article/10.1038/s41550-023-02140-4

Organic hazes will impact JWST observations of water-rich exoplanets
https://link.springer.com/article/10.1038/s41550-023-02141-3

Double superionicity in icy compounds at planetary interior conditions
https://www.nature.com/articles/s41467-023-42958-0

Stellar spectral-type (mass) dependence of the dearth of close-in planets around fast-rotating stars – Architecture of Kepler confirmed single-exoplanet systems compared to star-planet evolution models https://www.aanda.org/articles/aa/full_html/2023/11/aa46933-23/aa46933-23.html

Water condensation zones around main sequence stars
https://www.aanda.org/articles/aa/full_html/2023/11/aa47539-23/aa47539-23.html

Spin and orbital dynamics of planets undergoing thermal atmospheric tides using a vectorial approach
https://www.aanda.org/articles/aa/full_html/2023/11/aa45443-22/aa45443-22.html

Machine Learning Applications in Jupiter-host Star Classification using Stellar Spectra
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stad3668/7452901

A Theoretical Study of Temperature-dependent Photodissociation Cross Sections and Rates for O2
https://iopscience.iop.org/article/10.3847/1538-4365/ad03ed

Hot Jupiters from Disruption of Resonant Chains in Postdisk Evolution
https://iopscience.iop.org/article/10.3847/1538-3881/ad09b0

Exoplanets detection using lite convolutional neural networks (LCNN)
https://www.researchgate.net/publication/375920902_Exoplanets_detection_using_lite_convolutional_neural_networks_LCNN

Orbital Regularity of Exoplanets and the Symmetries of the Kepler Problem
https://www.mdpi.com/2073-8994/15/12/2114

Tidal dissipation in rotating and evolving giant planets with application to exoplanet systems
https://arxiv.org/abs/2311.15815

Bayesian Analysis for Remote Biosignature Identification on exoEarths (BARBIE) II: Using Grid-Based Nested Sampling in Coronagraphy Observation Simulations for O2 and O3
https://arxiv.org/abs/2311.16015

Possibilities for methanogenic and acetogenic life in molecular cloud
https://arxiv.org/abs/2311.14291

Retrieving planet formation parameters of WASP-77Ab using SimAb
https://arxiv.org/abs/2311.15702