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.

February 21, 2024 updates

Detectability of Surface Biosignatures for Directly Imaged Rocky Exoplanets
https://liebertpub.com/doi/10.1089/ast.2023.0099

Constraining planetary formation models using conditional occurrences of various planet types
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae501/7611717

Dynamically coupled kinetic chemistry in brown dwarf atmospheres – II. Cloud and chemistry connections in directly imaged sub-Jupiter exoplanets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae537/7611715

Automated Scheduling of Doppler Exoplanet Observations at Keck Observatory
https://iopscience.iop.org/article/10.3847/1538-3881/ad1ff7

JWST Transmission Spectroscopy of HD 209458b: A Supersolar Metallicity, a Very Low C/O, and No Evidence of CH4, HCN, or C2H2
https://iopscience.iop.org/article/10.3847/2041-8213/ad2682

NASA Exoplanet Exploration Program (ExEP) Mission Star List for the Habitable Worlds Observatory (2023)
https://arxiv.org/abs/2402.12414

Pre-perihelion Monitoring of Interstellar Comet 2I/Borisov
https://arxiv.org/abs/2402.12428

Reduced-resolution beamforming: lowering the computational cost for pulsar and technosignature surveys
https://arxiv.org/abs/2402.12723

Evidence of apsidal motion and a possible co-moving companion star detected in the WASP-19 system
https://arxiv.org/abs/2402.12896

Metallicities and Refined Stellar Parameters for 52 Cool Dwarfs with Transiting Planets and Planet Candidates
https://arxiv.org/abs/2402.13223

February 20, 2024 updates

The Bona Fide of Non-Human Intelligence (NHI) Exploring Earth: Evolutionary Pressure and the Halting Problem
https://www.researchgate.net/publication/378213790_The_Bona_Fide_of_Non-Human_Intelligence_NHI_Exploring_Earth_Evolutionary_Pressure_and_the_Halting_Problem

Tidal Dissipation in Giant Planets
https://link.springer.com/article/10.1007/s11214-024-01055-4

Cosmic dust fertilization of glacial prebiotic chemistry on early Earth
https://www.nature.com/articles/s41550-024-02212-z

TIaRA TESS1: Estimating exoplanet yields from Year 1 and Year 3 SPOC lightcurves
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae474/7610918

Search for stellar companions of exoplanet host stars with AstraLux/CAHA 2.2 m
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae520/7610909

Technosignatures Longevity and Lindy’s Law
https://iopscience.iop.org/article/10.3847/1538-3881/ad217d

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. IV. NIRISS Aperture Masking Interferometry Performance and Lessons Learned
https://iopscience.iop.org/article/10.3847/2041-8213/ad21fb

A uGMRT search for radio emission from planets around evolved stars
https://arxiv.org/abs/2402.11182

TASTE V. A new ground-based investigation of orbital decay in the ultra-hot Jupiter WASP-12b
https://arxiv.org/abs/2402.12120

Water Vapour Transit Ambiguities for Habitable M-Earths
https://arxiv.org/abs/2402.12253

On the Ocean Conditions of Hycean Worlds
https://arxiv.org/abs/2402.12330

Signature of the atmospheric asymmetries of hot and ultra-hot Jupiters in lightcurves
https://arxiv.org/abs/2402.12355

February 19, 2024 Updates

The bouncing barrier revisited: Impact on key planet formation processes and observational signatures
https://www.aanda.org/articles/aa/full_html/2024/02/aa47716-23/aa47716-23.html

The tidal deformation and atmosphere of WASP-12b from its phase curve
https://arxiv.org/abs/2402.10486

Accretion of primordial H-He atmospheres in mini-Neptunes: the importance of envelope enrichment
https://arxiv.org/abs/2402.10544

Strong fractionation of deuterium and helium in sub-Neptune atmospheres along the radius valley
https://arxiv.org/abs/2402.10690

Habitable planet to sustainable civilization: Global climate change with related clean energy transition reliant on declining critical metal resources
https://www.sciencedirect.com/science/article/abs/pii/S1342937X2400039X

Resonant Chains and the Convergent Migration of Planets in Protoplanetary Disks
https://iopscience.iop.org/article/10.3847/1538-3881/ad1f60

February 16, 2024 updates

Influence of gut microbiome on metabolic diseases: a new perspective based on microgravity
https://link.springer.com/article/10.1007/s40200-024-01394-7

A synthetic microbial Daisyworld: planetary regulation in the test tube
https://royalsocietypublishing.org/doi/10.1098/rsif.2023.0585

Planetary Complexity Revealed by the Joint Differential Entropy of Eigencolors
https://iopscience.iop.org/article/10.3847/1538-3881/ad20cf

Axisymmetric High Spot Coverage on Exoplanet Host HD 189733 A
https://iopscience.iop.org/article/10.3847/1538-3881/ad1f6c

Traversable wormhole supported by non-exotic gravitational fluid in the Lyra manifold
https://www.sciencedirect.com/science/article/abs/pii/S0577907324000558

Atmospheric Retrievals of the Young Giant Planet ROXs 42B b from Low- and High-Resolution Spectroscopy
https://arxiv.org/abs/2402.09533

February 15, 2024 updates

Introduction: The Future of Religion as Humans Expand into Space
https://www.tandfonline.com/doi/full/10.1080/14746700.2023.2292922

A totally connected superluminal Natario warp drive spacetime with constant velocities
https://hal.science/hal-04445192v1

What Can We Reasonably Predict Concerning Alien Religion and Ethics?
https://www.tandfonline.com/doi/abs/10.1080/14746700.2023.2292924

Passing Stars as an Important Driver of Paleoclimate and the Solar System’s Orbital Evolution
https://iopscience.iop.org/article/10.3847/2041-8213/ad24fb

Measuring Tracers of Planet Formation in the Atmosphere of WASP-77A b: Substellar O/H and C/H Ratios, with a Stellar C/O Ratio and a Potentially Superstellar Ti/H Ratio
https://iopscience.iop.org/article/10.3847/2041-8213/ad2000

Study of embedding class-I traversable wormhole in Galileon Gravity
https://www.sciencedirect.com/science/article/abs/pii/S0577907324000455

Impact of modified gravitational theory on the viability of wormhole structures
https://www.sciencedirect.com/science/article/abs/pii/S1384107624000186

Passing Stars as an Important Driver of Paleoclimate and the Solar System’s Orbital Evolution
https://arxiv.org/abs/2402.08734

Implications of the discovery of AF Lep b: The mass-luminosity relation for planets in the β Pic Moving Group and the L-T transition for young companions and free-floating planets
https://arxiv.org/abs/2402.09067

A new mass and radius determination of the ultra-short period planet K2-106b and the fluffy planet K2-106c
https://arxiv.org/abs/2402.09322