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.

September 19, 2023 updates

Finding exoplanets using object detection
https://link.springer.com/article/10.1007/s10509-023-04232-z

Investigation of the Effect of the Errors of Limb Darkening Coefficients on the Geometric Parameters of a Binary System with an Exoplanet
https://link.springer.com/article/10.1134/S1063772923060021

Photosynthesis Under a Red Sun: Predicting the absorption characteristics of an extraterrestrial light-harvesting antenna
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stad2823/7276615

Exploring the Potential of Twinkle to Unveil the Nature of LTT 1445 Ab
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stad2822/7276613

Revisiting planetary systems in the Okayama Planet Search Program: A new long-period planet, RV astrometry joint analysis, and a multiplicity-metallicity trend around evolved stars
https://academic.oup.com/pasj/advance-article-abstract/doi/10.1093/pasj/psad056/7272944

Traversable Lorentzian wormhole on the Shtanov-Sahni braneworld with matter obeying the energy conditions
https://iopscience.iop.org/article/10.1088/1475-7516/2023/09/018

False Planets around Giant Stars: A Case Study of Sanders 364 in M67
https://iopscience.iop.org/article/10.3847/1538-3881/acf291

Prospects from TESS and Gaia to constrain the flatness of planetary systems
https://arxiv.org/abs/2309.08665

PACOME: Optimal multi-epoch combination of direct imaging observations for joint exoplanet detection and orbit estimation
https://arxiv.org/abs/2309.08679

The path to detecting extraterrestrial life with astrophotonics
https://arxiv.org/abs/2309.08732

Constraining the reflective properties of WASP-178b using Cheops photometry
https://arxiv.org/abs/2309.09037

Simulation-based Inference for Exoplanet Atmospheric Retrieval: Insights from winning the Ariel Data Challenge 2023 using Normalizing Flows
https://arxiv.org/abs/2309.09337

Metallicity and Spectral Evolution of WASP-39 b: The Limited Role of Hydrodynamic Escape
https://arxiv.org/abs/2309.09605

TESS Spots a Super-Puff: The Remarkably Low Density of TOI-1420b
https://arxiv.org/abs/2309.09945

Planetary Scale Information Transmission in the Biosphere and Technosphere: Limits and Evolution
https://arxiv.org/abs/2309.07922

September 15, 2023 updates

On the non-dissipative tidal evolution of the misalignment between spin and orbital angular momenta
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stad2807/7274141

Reflected Spectroscopy of Small Exoplanets. III. Probing the UV Band to Measure Biosignature Gases
https://iopscience.iop.org/article/10.3847/1538-3881/acefd3

Characterizing a World Within the Hot-Neptune Desert: Transit Observations of LTT 9779 b with the Hubble Space Telescope/WFC3
https://iopscience.iop.org/article/10.3847/1538-3881/acea77

When were the First Exocontinents?
https://iopscience.iop.org/article/10.3847/2515-5172/acf91a

September 14, 2023 updates

CDSLU: Communicating Discoveries in the Search for Life in the Universe
https://apply.knowinnovation.com/cdslu/

Revisiting planetary systems in the Okayama Planet Search Program: A new long-period planet, RV astrometry joint analysis, and a
multiplicity-metallicity trend around evolved stars
https://academic.oup.com/pasj/advance-article-abstract/doi/10.1093/pasj/psad056/7272944

An Assay on The Hobbesian Trap and Axioms of First Contact
https://www.sciencedirect.com/science/article/pii/S0265964623000486

A sub-Saturn mass-radius desert for planets with equilibrium temperature <600 K
https://www.sciencedirect.com/science/article/abs/pii/S0019103523003767

Atmospheric retrievals with petitRADTRANS
https://arxiv.org/abs/2309.06755

Atmospheric Reconnaissance of TRAPPIST-1 b with JWST/NIRISS: Evidence for Strong Stellar Contamination in the Transmission Spectra
https://arxiv.org/abs/2309.07047

Making Habitable Worlds: Planets Versus Megastructures
https://arxiv.org/abs/2309.06562

Application of the Thermodynamics of Radiation to Dyson Spheres as Work Extractors and Computational Engines, and their Observational Consequences
https://arxiv.org/abs/2309.06564

Percolation of ‘Civilisation’ in a Homogeneous Isotropic Universe
https://arxiv.org/abs/2309.06575

September 13, 2023 updates

Detecting molecules in Ariel low resolution transmission spectra
https://link.springer.com/article/10.1007/s10686-023-09911-x

Exploring Uncertainty and Risk in Contemporary Astrobiology (EURiCA)
https://www.durham.ac.uk/research/institutes-and-centres/humanities-engaging-science-society/research/eurica-project-leverhulme/

The GAPS Programme at TNG – XLVII. A conundrum resolved: HIP 66074b/Gaia-3b characterised as a massive giant planet on a quasi-face-on and extremely elongated orbit
https://www.aanda.org/articles/aa/full_html/2023/09/aa47329-23/aa47329-23.html

The GAPS programme at TNG – XLVI. Deep search for low-mass planets in late-dwarf systems hosting cold Jupiters
https://www.aanda.org/articles/aa/abs/2023/09/aa46476-23/aa46476-23.html

Water Absorption in the Transmission Spectrum of the Water World Candidate GJ 9827 d
https://iopscience.iop.org/article/10.3847/2041-8213/acebf0

New evidence about HW Vir’s circumbinary planets from \textit{Hipparcos-Gaia} astrometry and a reanalysis of the eclipse timing variations using nested sampling
https://arxiv.org/abs/2309.05716