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.

April 25, 2025 updates

Aeronomy of the upper atmosphere of KELT-9 b
https://www.aanda.org/articles/aa/full_html/2025/04/aa53309-24/aa53309-24.html

Thermal Emission and Confirmation of the Frigid White Dwarf Exoplanet WD 1856+534b
https://arxiv.org/abs/2504.16982

On the similarities between the Trojan Wave Packets and the Planet in the habitable zone
https://www.researchgate.net/publication/391119528_On_the_similarities_between_the_Trojan_Wave_Packets_and_the_Planet_in_the_habitable_zone

The tidal heating of the exoplanet 55 Cnc e. The role of the orbital eccentricity
https://arxiv.org/abs/2504.17585

April 24, 2025 updates

Pentagonal photonic crystal mirrors
https://repository.tudelft.nl/record/uuid:82f0e4dd-705d-435d-a9f6-231ffaf7b9e9

Framing Infinity: Intelligence Frame Theory
https://philarchive.org/archive/SHEIFT

Applied Astrobiology: An Integrated Approach to the Future of Life in Space’
https://liebertpub.com/doi/10.1089/ast.2024.0156

Detection of Exoplanets in Transit Light Curves with Conditional Flow Matching and XGBoost
https://www.mdpi.com/2079-9292/14/9/1738

PEPSI Investigation, Retrieval, and Atlas of Numerous Giant Atmospheres (PIRANGA). I. The Ubiquity of Fe i Emission and Inversions in Ultrahot Jupiter Atmospheres
https://iopscience.iop.org/article/10.3847/1538-3881/adc411

Exploring the Neptunian Desert: Insights from a Homogeneous Planetary Sample
https://arxiv.org/abs/2504.16164

Uncertainties in the Inference of Internal Structure: The Case of TRAPPIST-1 f
https://arxiv.org/abs/2504.16201

MHD Simulations Preliminarily Predict The Habitability and Radio Emission of TRAPPIST-1e
https://arxiv.org/abs/2504.16662

Thermal Evolution and Mass Loss on Short-Period, Low-Mass Planets During FU Orionis Outbursts
https://arxiv.org/abs/2504.16772

April 23, 2025 updates

The enigmatic magnetic field of the planet hosting Herbig Ae/Be star HD 169142
https://www.aanda.org/articles/aa/full_html/2025/04/aa53225-24/aa53225-24.html

Breaking long-period resonance chains with stellar flybys
https://www.aanda.org/articles/aa/full_html/2025/04/aa53710-25/aa53710-25.html

Stringent Limits on H+3 Emission from the Hot Jupiters WASP-80b and WASP-69b
https://arxiv.org/abs/2504.15393

Retrieving day- and nightside atmospheric properties of the ultra-hot Jupiter TOI-2109b. Detection of Fe and CO emission lines and evidence for inefficient heat transport
https://arxiv.org/abs/2504.15757

Are there Spectral Features in the MIRI/LRS Transmission Spectrum of K2-18b?
https://arxiv.org/abs/2504.15916

Plasma Mechanism of Radio Emission Generation at the Bow Shock of the Exoplanet HD 189733b
https://arxiv.org/abs/2504.15787

April 22, 2025 updates

A Comprehensive Reanalysis of K2-18 b’s JWST NIRISS+NIRSpec Transmission Spectrum
https://arxiv.org/abs/2501.18477

Identification and Characterization of an Exoplanet Candidate Using Multi-Mission Photometry and Spectroscopy
https://zenodo.org/records/15254616

Experimental demonstration of a quantum-optimal coronagraph using spatial mode sorters
https://opg.optica.org/optica/fulltext.cfm?uri=optica-12-4-518&id=570325

Validation of the ESPRESSO Wavelength Calibration Using Iodine Absorption Cell Spectra
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf588/8114813

Characterizing M dwarf host stars of two candidate Hycean worlds
https://academic.oup.com/mnras/article/539/2/1299/8108813

Thermophysical States of MgSiO3 Liquid up to Terapascal Pressures: Implications for Magma Oceans in Super-Earths and Sub-Neptunes
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2024JE008678

The PLATO mission
https://link.springer.com/article/10.1007/s10686-025-09985-9

A Revised Density Estimate for the Largest Known Exoplanet, HAT-P-67 b
https://arxiv.org/abs/2504.13997

Out on a Limb: The Signatures of East-West Asymmetries in Transmission Spectra from General Circulation Models
https://arxiv.org/abs/2504.14060

The Ophiuchus DIsk Survey Employing ALMA (ODISEA): A Unified Evolutionary Sequence of Planet-Driven Substructures Explaining the Diversity of Disk Morphologies
https://arxiv.org/abs/2504.14318

A Short History of (Orbital) Decay: Roman’s Prospects for Detecting Dying Planets
https://arxiv.org/abs/2504.15277

April 21, 2025 Updates

Low-thrust propulsion technologies for space mission applications
https://tesidottorato.depositolegale.it/handle/20.500.14242/201944

The STR line-of-sight pointing and acquisition in the gravitational wave detection interstellar laser link
https://ieeexplore.ieee.org/document/10965890

Exoplaneteers Keep Calling Plots “Allan Variance” Plots When They Aren’t
https://arxiv.org/abs/2504.13238

Turbulence Inhibits Planetesimal Formation in Class 0/I Disks Subject to Infall
https://arxiv.org/abs/2504.13246