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 12, 2025 updates

Peering into the Black Box: Forward Modeling of the Uncertainty Budget of High-resolution Spectroscopy of Exoplanet Atmospheres
https://iopscience.iop.org/article/10.3847/1538-3881/ada27e

Cryoscope: A Cryogenic Infrared Survey Telescope
https://arxiv.org/abs/2502.06950

GEMS JWST: Transmission spectroscopy of TOI-5205b reveals significant stellar contamination and a metal-poor atmosphere
https://arxiv.org/abs/2502.06966

TOI-2015b: a sub-Neptune in strong gravitational interaction with an outer non-transiting planet
https://arxiv.org/abs/2502.07074

The SPIRou Legacy Survey: near-infrared and optical radial velocity analysis of Gl 480 and Gl 382 using SPIRou, HARPS and CARMENES spectrographs
https://arxiv.org/abs/2502.07086

Estimate the Mass Escaping Rates of Radius-valley-spanning Planets in TOI-431 System via XUV Evaporation
https://arxiv.org/abs/2502.07294

Exoplanet Transit Candidate Identification in TESS Full-Frame Images via a Transformer-Based Algorithm
https://arxiv.org/abs/2502.07542

Statistical Reevaluation of the USP Classification Boundary: Smaller Planets Within 1 Day, Larger Period Ratios Below 2 Days
https://arxiv.org/abs/2502.07773

Genetic evolution of a multi-generational population in the context of interstellar space travels — Part II: Phenotypic effects of gene expression
https://arxiv.org/abs/2502.07559

February 11, 2025 updates

Building a Space-Faring Civilization: Advancing the Renaissance of Science, Medicine, and Human Performance in Civilian Spaceflight
https://www.sciencedirect.com/book/9780443138508/building-a-space-faring-civilization

The Possibility of Advanced Extraterrestrial Aliens Based on the Universal Formula
https://philpapers.org/rec/MALTPO-45

The extraterrestrial hypothesis: an epistemological case for removing the taboo
https://link.springer.com/article/10.1007/s13194-025-00634-8

Stellar magnetic activity in Earth 2.0 candidates based on LAMOST DR10
https://www.aanda.org/articles/aa/full_html/2025/02/aa52042-24/aa52042-24.html

Configuration of single giant planet systems generating ‘oumuamua-like interstellar asteroids
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf234/8006707

Ground-based Reconnaissance Observations of 21 Exoplanet Atmospheres with the Exoplanet Transmission Spectroscopy Imager
https://iopscience.iop.org/article/10.3847/1538-3881/ada557

The Dynamical History of HIP-41378 f—Oblique Exorings Masquerading as a Puffy Planet
https://iopscience.iop.org/article/10.3847/1538-4357/ada4b2

Kinetic and Photochemical Disequilibrium in the Potentially Carbon-rich Atmosphere of the Warm Jupiter WASP-69 b
https://iopscience.iop.org/article/10.3847/1538-4357/adaa7d

Exo-MerCat v2.0.0: Updates and open-source release of the Exoplanet Merged Catalog software
https://www.sciencedirect.com/science/article/abs/pii/S2213133725000095

Radial velocity homogeneous analysis of M dwarfs observed with HARPS I. Exoplanet detection and candidates
https://arxiv.org/abs/2502.06513

Radial velocity homogeneous analysis of M dwarfs observed with HARPS. II. Detection limits and planetary occurrence statistics
https://arxiv.org/abs/2502.06553

February 10, 2025 Updates

A New Spectral Library for Modeling the Surfaces of Hot, Rocky Exoplanets
https://arxiv.org/abs/2502.04433

Planet Masses, Radii, and Orbits from NASA’s K2 Mission
https://arxiv.org/abs/2502.04436

Debris disks around M dwarfs: The Herschel DEBRIS survey
https://arxiv.org/abs/2502.04441

Compact protoplanetary discs can be produced by dead zones
https://arxiv.org/abs/2502.04452

Impact-induced Vaporization During Accretion of Planetary Bodies
https://arxiv.org/abs/2502.04787

ALMA reveals thermal and non-thermal desorption of methanol ice in the HD 100546 protoplanetary disk
https://arxiv.org/abs/2502.04957

The GAPS Programme at TNG LXVII. Detection of water and preliminary characterisation of the atmospheres of the two hot Jupiters KELT-8 b and KELT-23 Ab
https://arxiv.org/abs/2502.05056

Transit-timing variations in the AU Mic system observed with CHEOPS
https://www.aanda.org/articles/aa/full_html/2025/02/aa52699-24/aa52699-24.html

February 07, 2025 updates

The Local Galactic Transient Survey Applied to an Optical Search for Directed Intelligence
https://arxiv.org/abs/2501.18903

Observationally derived magnetic field strength and 3D components in the HD 142527 disk
https://www.nature.com/articles/s41550-024-02454-x

TOI-5108 b and TOI 5786 b: Two transiting sub-Saturns detected and characterized with TESS, MaHPS, and SOPHIE
https://www.aanda.org/articles/aa/full_html/2025/02/aa51676-24/aa51676-24.html

The Influence of General Relativity on the Spins of Celestial Bodies in Inclined Orbits
https://iopscience.iop.org/article/10.3847/1538-4357/ada5fc

The Effects of Kinematic MHD on the Atmospheric Circulation of Eccentric Hot Jupiters
https://arxiv.org/abs/2502.04169

Energy needed to propel a tiny spacecraft to Proxima Centauri,and, an unstated assumption in Einstein’s 1905 paper
https://arxiv.org/abs/2502.04331

Early Accretion of Large Amounts of Solids for Directly-Imaged Exoplanets
https://arxiv.org/abs/2310.00088

February 06, 2025 updates

Characterization of seven transiting systems, including four warm Jupiters from SOPHIE and TESS
https://www.aanda.org/articles/aa/full_html/2025/02/aa51519-24/aa51519-24.html

Modeling the astrosphere of LHS 1140 – On the differences of 3D magnetohydrodynamic single- and multi-fluid simulations and the consequences for exoplanetary habitability
https://www.aanda.org/articles/aa/full_html/2025/02/aa50324-24/aa50324-24.html

Thermally Driven Atmospheric Escape: Transition from Diffusion-limited to Drag-off Escape
https://iopscience.iop.org/article/10.3847/PSJ/ada369

TRAPPIST-1 d: Exo-Venus, Exo-Earth, or Exo-Dead?
https://iopscience.iop.org/article/10.3847/2041-8213/adace0

A Population Analysis of 20 Exoplanets Observed from Optical to Near-infrared Wavelengths with the Hubble Space Telescope: Evidence for Widespread Stellar Contamination
https://iopscience.iop.org/article/10.3847/1538-4365/ad8c3c

SPOCK 2.0: Updates to the FeatureClassifier in the Stability of Planetary Orbital Configurations Klassifier
https://iopscience.iop.org/article/10.3847/2515-5172/adb150

A Case Study of Interstellar Material Delivery: α Centauri
https://arxiv.org/abs/2502.03224

Configuration of Single Giant Planet Systems Generating `Oumuamua-Like Interstellar Asteroids
https://arxiv.org/abs/2502.03336