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.

October 31, 2024 updates

Self-Shielding Enhanced Organics Synthesis in an Early Reduced Earth’s Atmosphere
https://www.liebertpub.com/doi/10.1089/ast.2024.0048

The 10 pc Neighborhood of Habitable Zone Exoplanetary Systems: Threat Assessment from Stellar Encounters & Supernovae
https://arxiv.org/abs/2410.22396

Retrievals on NIRCam transmission and emission spectra of HD 189733b with PLATON 6, a GPU code for the JWST era
https://arxiv.org/abs/2410.22398

The effect of dynamic temperatures on pebble dynamics and planet formation
https://arxiv.org/abs/2410.22737

No evidence for a metallicity-dependent enhancement of distant giant companions to close-in small planets in the California Legacy Survey
https://arxiv.org/abs/2410.23071

Protoplanetary disk chemistry and structure
https://arxiv.org/abs/2410.23235

A Population Analysis of 20 Exoplanets Observed from the Optical to the Near-infrared Wavelengths with HST: Evidence for Widespread Stellar Contamination
https://arxiv.org/abs/2404.15505

October 30, 2024 updates

SWEET-Cat: A view on the planetary mass-radius relation
https://www.aanda.org/articles/aa/full_html/2024/11/aa51704-24/aa51704-24.html

ExoplaNeT accRetion mOnitoring sPectroscopic surveY (ENTROPY) – I. Evidence for magnetospheric accretion in the young isolated planetary-mass object 2MASS J11151597+1937266
https://www.aanda.org/articles/aa/full_html/2024/11/aa50881-24/aa50881-24.html

Atmospheric Retrievals Suggest the Presence of a Secondary Atmosphere and Possible Sulfur Species on L98-59 d from JWST Nirspec G395H Transmission Spectroscopy
https://iopscience.iop.org/article/10.3847/2041-8213/ad73d0

Evolutions of Planetary Systems and the Role of Planetary Systems to Determine the Metallicity and Habitability of Exoplanets
https://www.researchgate.net/publication/385352377_Evolutions_of_Planetary_Systems_and_the_Role_of_Planetary_Systems_to_Determine_the_Metallicity_and_Habitability_of_Exoplanets

Analysis the State-of-art Exoplanets Exploring Schemes: Radial Velocity, Transit and Gravitational Microlensing
https://www.deanfrancispress.com/index.php/te/article/view/1678

easyCHEM: A Python package for calculating chemical equilibrium abundances in exoplanet atmospheres
https://arxiv.org/abs/2410.21364

Giant exoplanet composition: Why do the hydrogen-helium equation of state and interior structure matter?
https://arxiv.org/abs/2410.21382

Flow Matching for Atmospheric Retrieval of Exoplanets: Where Reliability meets Adaptive Noise Levels
https://arxiv.org/abs/2410.21477

PEPSI’s non-detection of escaping hydrogen and metal lines adds to the enigma of WASP-12 b
https://arxiv.org/abs/2410.21493

Reassessing Sub-Neptune Structure, Radii, and Thermal Evolution
https://arxiv.org/abs/2410.21584

Planet-star interactions with precise transit timing. IV. Probing the regime of dynamical tides for GK host stars
https://arxiv.org/abs/2410.22162

October 29, 2024 updates

Non-Thermal Processes of Nitric Oxide Formation during Precipitation of Auroral Electrons into the Upper Atmospheres of Terrestrial Planets
https://link.springer.com/article/10.1134/S1063772924700744

Disc and atmosphere composition of multi-planet systems
https://www.aanda.org/articles/aa/full_html/2024/11/aa49840-24/aa49840-24.html

Biases in Exoplanet Transmission Spectra Introduced by Limb-darkening Parametrization
https://iopscience.iop.org/article/10.3847/1538-3881/ad7aef

Empirical Stability Criteria for 3D Hierarchical Triple Systems. I. Circumbinary Planets
https://iopscience.iop.org/article/10.3847/1538-3881/ad7a78

Efficiently Searching for Close-in Companions Around Young M Dwarfs Using a Multiyear PSF Library
https://iopscience.iop.org/article/10.3847/1538-3881/ad769f

From the Shadows: The Impact of Nightside Thermal Emission on Ultrahot Jupiter Transmission Spectrum Retrievals
https://iopscience.iop.org/article/10.3847/1538-4357/ad6f9d

Detecting and sizing the Earth with PLATO: A feasibility study based on solar data
https://arxiv.org/abs/2410.20077

Revised Masses for Low Density Planets Orbiting the Disordered M-dwarf System TOI-1266
https://arxiv.org/abs/2410.20282

The VSPEC Collection: A suite of utilities to model spectroscopic phase curves of 3D exoplanet atmospheres in the presence of stellar variability
https://arxiv.org/abs/2410.21190

Planetary migration in wind-fed non-stationary accretion disks in binary systems
https://arxiv.org/abs/2410.20556

October 28, 2024 Updates

Earth-like exoplanets in spin-orbit resonances: climate dynamics, 3D atmospheric chemistry, and observational signatures
https://arxiv.org/abs/2410.19108

Implementation of Aerosol Mie Scattering in POSEIDON with Application to the hot Jupiter HD 189733 b’s Transmission, Emission, and Reflected Light Spectrum
https://arxiv.org/abs/2410.19253

Cold day-side winds shape large leading streams in evaporating exoplanet atmospheres
https://arxiv.org/abs/2410.19381

Assessing methods for telluric removal on atmospheric retrievals of high-resolution optical exoplanetary transmission spectra
https://arxiv.org/abs/2410.19588

Combining REBOUND and MESA: Dynamical Evolution of Planets Orbiting Interacting Binaries
https://arxiv.org/abs/2410.19695

Toward a Self-consistent Evaluation of Gas Dwarf Scenarios for Temperate Sub-Neptunes
https://iopscience.iop.org/article/10.3847/1538-4357/ad6c38

An experimental study of the biological impact of a superflare on the TRAPPIST-1 planets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae2433/7840392

October 25, 2024 updates

Collapse of Advanced Civilizations and Reason for Non-Contact by Extraterrestrials
https://www.tandfonline.com/doi/full/10.1080/14777622.2024.2419148

2024 Kavli Prize in Astrophysics
https://www.kavliprize.org/prizes/astrophysics/2024

Drifts of the substellar points of the TRAPPIST-1 planets
https://www.aanda.org/articles/aa/full_html/2024/11/aa51532-24/aa51532-24.html

No evidence for interstellar fireballs in the CNEOS database
https://www.aanda.org/articles/aa/full_html/2024/11/aa49569-24/aa49569-24.html

Discovery and characterization of a dense sub-Saturn TOI-6651b
https://www.aanda.org/articles/aa/full_html/2024/11/aa50934-24/aa50934-24.html

POSEIDON: A Multidimensional Atmospheric Retrieval Code for Exoplanet Spectra
https://arxiv.org/abs/2410.18181

Architecture of TOI-561 planetary system
https://arxiv.org/abs/2410.18169

CRIRES+ and ESPRESSO reveal an atmosphere enriched in volatiles relative to refractories on the ultra-hot Jupiter WASP-121b
https://arxiv.org/abs/2410.18183

Low-resolution Transit Spectroscopy of Three Hot Jupiters Using the 2m Himalayan Chandra Telescope
https://arxiv.org/abs/2410.18450

Detection of faculae in the transit and transmission spectrum of WASP-69b
https://arxiv.org/abs/2410.18663

Building a Planet Atmosphere: Fundamental Physics and Chemistry
https://arxiv.org/abs/2410.18943

Convective mixing in gas giant planets with primordial composition gradients
https://arxiv.org/abs/2407.09341