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.

June 19, 2024 updates

High contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to light
https://www.aanda.org/articles/aa/full_html/2024/06/aa49507-24/aa49507-24.html

A new approach for the numerical calculation of diffraction patterns using starshades
https://www.aanda.org/articles/aa/full_html/2024/06/aa49589-24/aa49589-24.html

HIP 65426 is a High-frequency Delta Scuti Pulsator in Plausible Spin–Orbit Alignment with its Directly Imaged Exoplanet
https://iopscience.iop.org/article/10.3847/1538-3881/ad4964

The Metallicity and Carbon-to-oxygen Ratio of the Ultrahot Jupiter WASP-76b from Gemini-S/IGRINS
https://iopscience.iop.org/article/10.3847/1538-3881/ad4a5f

Retrieved Atmospheres and Inferred Surface Properties for Terrestrial Exoplanets Using Transmission and Reflected-light Spectroscopy
https://iopscience.iop.org/article/10.3847/PSJ/ad381e

C/O Ratios and the formation of wide separation exoplanets
https://arxiv.org/abs/2406.12037

Ariel stellar characterisation II. Chemical abundances of carbon, nitrogen, and oxygen for 181 planet-host FGK dwarf stars
https://arxiv.org/abs/2406.12393

A new lever on exoplanetary B fields: measuring heavy ion velocities
https://arxiv.org/abs/2406.12512

Windows Into Other Worlds: Pitfalls in the physical interpretation of exoplanet atmospheric spectroscopy
https://arxiv.org/abs/2406.12765

The Hycean Paradigm in the Search for Life Elsewhere
https://arxiv.org/abs/2406.12794

The Aligned Orbit of a Hot Jupiter around the M Dwarf TOI-4201
https://arxiv.org/abs/2406.12798

Low-mass planets falling into gaps with cyclonic vortices
https://arxiv.org/abs/2406.12813

The Distribution of Planet Radius in Kepler Multiplanet Systems Depends on Gap Complexity
https://arxiv.org/abs/2406.12239

A Comparative Simulation Study of Hot and Ultra-hot Jupiter Atmospheres using Different Ground-based High-resolution Spectrographs with Cross-correlation Spectroscopy
https://arxiv.org/abs/2406.12240

June 18, 2024 updates

A qualitative assessment of limits of active flight in low density atmospheres
https://link.springer.com/article/10.1038/s41598-024-64114-4

Disproving the High-eccentricity Planet HD 220773b
https://iopscience.iop.org/article/10.3847/2515-5172/ad57b5

Characterizing planetary systems with SPIRou: a temperate sub-Neptune exoplanet orbiting the nearby fully-convective star GJ 1289 and a candidate around GJ 3378
https://arxiv.org/abs/2406.10384

Four microlensing giant planets detected through signals produced by minor-image perturbations
https://arxiv.org/abs/2406.10547

Predicting Exoplanetary Features with a Residual Model for Uniform and Gaussian Distributions
https://arxiv.org/abs/2406.10771

PLATO’s signal and noise budget
https://arxiv.org/abs/2406.11556

Detecting Planetary Oblateness in the Era of JWST: A Case Study of Kepler-167e
https://arxiv.org/abs/2406.11644

June 17, 2024 updates

Relativistic damping of laser-beam-driven light sails
https://journals.aps.org/prapplied/abstract/10.1103/PhysRevApplied.21.064032

Earth’s atmosphere protects the biosphere from nearby supernovae
https://link.springer.com/article/10.1038/s43247-024-01490-9

The AstraLux-TESS high spatial resolution imaging survey – Search for stellar companions of 215 planet candidates from TESS
https://www.aanda.org/articles/aa/full_html/2024/06/aa49687-24/aa49687-24.html

A Close Binary Lens Revealed by the Microlensing Event Gaia20bof
https://iopscience.iop.org/article/10.3847/1538-3881/ad46fc

The Limited Role of the Streaming Instability during Moon and Exomoon Formation
https://iopscience.iop.org/article/10.3847/PSJ/ad4863

A Comprehensive Literature Study on Technology Pertaining to Interstellar Travel and the Current Human Standing
https://www.researchgate.net/publication/381458473_A_Comprehensive_Literature_Study_on_Technology_Pertaining_to_Interstellar_Travel_and_the_Current_Human_Standing

Seismic and acoustic signals from the 2014 ‘Interstellar Meteor’
https://academic.oup.com/gji/advance-article/doi/10.1093/gji/ggae202/7692046

Evidence for Morning-to-Evening Limb Asymmetry on the Cool Low-Density Exoplanet WASP-107b
https://arxiv.org/abs/2406.09863

JWST/NIRCam 4-5 μm Imaging of the Giant Planet AF Lep b
https://arxiv.org/abs/2406.09528

HD 21520 b: a warm sub-Neptune transiting a bright G dwarf
https://arxiv.org/abs/2406.09595

Phase-resolving the absorption signatures of water and carbon monoxide in the atmosphere of the ultra-hot Jupiter WASP-121b with GEMINI-S/IGRINS
https://arxiv.org/abs/2406.09641

The Impact of Magnetic Fields on the Decoupling of H and H+ in the Escaping Atmosphere of GJ436
https://arxiv.org/abs/2406.09802

Searching for Jupiter and Saturn analog planets with potential icy exomoons — a Panspermia perspective
https://arxiv.org/abs/2406.09957

GASTLI: An open-source coupled interior-atmosphere model to unveil gas giant composition
https://arxiv.org/abs/2406.10032

Latitudinal Asymmetry in the Dayside Atmosphere of WASP-43b
https://arxiv.org/abs/2406.10207

June 14, 2024 updates

Small, cool and sulfurous exoplanet may help write recipe for planetary formation
https://news.wisc.edu/small-cool-and-sulfurous-exoplanet-may-help-write-recipe-for-planetary-formation/

Watery planets orbiting dead stars may be good candidates for studying life—if they can survive long enough
https://phys.org/news/2024-06-watery-planets-orbiting-dead-stars.html

NGTS-30b/TOI-4862b: An ~1 Gyr old 98-day transiting warm Jupiter
https://www.aanda.org/articles/aa/full_html/2024/06/aa49307-24/aa49307-24.html

Fundamental effective temperature measurements for eclipsing binary stars – V. The circumbinary planet system EBLM J0608−59
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae1434/7693153

Buoyancy torques prevent low-mass planets from stalling in low-turbulence radiative disks
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae1478/7693138

The CUISINES Framework for Conducting Exoplanet Model Intercomparison Projects, Version 1.0
https://arxiv.org/abs/2406.09275

High-resolution transmission spectroscopy of warm Jupiters: An ESPRESSO sample with predictions for ANDES
https://arxiv.org/abs/2406.08558

Constraints on the formation history and composition of Kepler planets from their distribution of orbital period ratios
https://arxiv.org/abs/2406.08794

A formation pathway for terrestrial planets with moderate water content involving atmospheric-volatile recycling
https://arxiv.org/abs/2406.09186

Probing atmospheric escape through metastable He I triplet lines in 15 exoplanets observed with SPIRou
https://arxiv.org/abs/2406.09225

Different Planetary Eccentricity-Period (PEP) Distributions of Small- and Giant-Planets
https://arxiv.org/abs/2406.09337

More Likely Than You Think: Inclination-Driving Secular Resonances are Common in Known Exoplanet Systems
https://arxiv.org/abs/2406.09359

What no one has seen before: gravitational waveforms from warp drive collapse
https://arxiv.org/abs/2406.02466

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