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.

May 06, 2025 updates

Life Beyond Earth: The Fermi Paradox — Or Why We Are Still Waiting to Meet Aliens
https://link.springer.com/book/10.1007/978-3-031-81695-6

Exoplanet Detection with Deep Learning
https://helda.helsinki.fi/server/api/core/bitstreams/4bda3bd1-2c55-4e36-9913-cf5f66776f53/content

BEYOND THE HUMAN: TECHNOLOGICAL ADVANCEMENTS AND POSTHUMANISM IN CIXIN LIU’S THE THREE-BODY PROBLEM
https://al-aasar.com/index.php/Journal/article/view/242

Membrane-Spanning Molecular Lengths as an Agnostic Biosignature
https://liebertpub.com/doi/10.1089/ast.2024.0125

Benchmark stars for mean stellar density and surface gravity estimates of solar-type stars
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf735/8125470

A differentiable N-body code for transit timing and dynamical modelling – II. Photodynamics
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf687/8125473

Peeking under the clouds:Is exoplanet imaging with the solar gravitational lens feasible?
https://iopscience.iop.org/article/10.1088/1674-4527/add3a3

Seismic Oscillations Excited by Giant Impacts in Directly-Imaged Giant Planets
https://arxiv.org/abs/2505.01496

Comparative Biosignatures
https://arxiv.org/abs/2505.01512

Dark skies of the slightly eccentric WASP-18 b from its optical-to-infrared dayside emission
https://arxiv.org/abs/2505.01544

From Tides to Currents: Unraveling the Mechanism That Powers WASP-107b’s Internal Heat Flux
https://arxiv.org/abs/2505.01581

Closeby Habitable Exoplanet Survey (CHES). IV. Synergy between astrometry and direct imaging missions of the Habitable World Observatory for detecting Earth-like planets
https://arxiv.org/abs/2505.02818

May 05, 2025 Updates

Putting holes in a sail to reach the stars
https://pubs.aip.org/physicstoday/online/44239/Putting-holes-in-a-sail-to-reach-the-stars

Ground to Dust: Collisional Cascades and the Fate of Kardashev II Megaswarms
https://arxiv.org/abs/2504.21151

Exploring the atmosphere of GJ 1132 b with CRIRES+
https://www.aanda.org/articles/aa/full_html/2025/05/aa53163-24/aa53163-24.html

Signs of alien life on exoplanet K2-18b may actually be nothing at all
https://www.sciencedirect.com/science/article/abs/pii/S0262407925006888

Unidentified aerospace-undersea phenomena (UAP) status and outlook
https://www.sciencedirect.com/science/article/abs/pii/S0376042125000211

Four Planets Found through Microlensing Events Involving Faint Source Stars
https://iopscience.iop.org/article/10.3847/1538-3881/adc5e7

AI scientist ‘team’ joins the search for extraterrestrial life
https://www.nature.com/articles/d41586-025-01364-w

Can planet-planet binaries survive in star-forming regions?
https://arxiv.org/abs/2505.00762

Characterizing the Radiative-Convective Structure of Dense Rocky Planet Atmospheres
https://arxiv.org/abs/2505.00775

HD 35843: A Sun-like star hosting a long period sub-Neptune and inner super-Earth
https://arxiv.org/abs/2505.00898

Instrumentation prospects for rocky exoplanet atmospheres studies with high resolution spectroscopy
https://arxiv.org/abs/2505.01102

Bridging the Atmospheric Circulations of Hot and Warm Giant Exoplanets
https://arxiv.org/abs/2505.01397

May 02, 2025 updates

Dust density enhancements and the direct formation of planetary cores in gravitationally unstable discs
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/staf714/8123629

HST Transmission Spectra of the Hot Neptune HD 219666 b: Detection of Water and the Challenge of Constraining Both Water and Methane
https://iopscience.iop.org/article/10.3847/1538-3881/adc684

Measurement of Methane Line Broadening in Hot Hydrogen/Helium Atmospheres at λ = 1.60–1.63 μm for Substellar Object Spectroscopy
https://iopscience.iop.org/article/10.3847/1538-4357/adc455

The Effects of Kinematic Magnetohydrodynamics on the Atmospheric Circulation of Eccentric Hot Jupiters
https://iopscience.iop.org/article/10.3847/1538-4357/adc56c

Quantified Estimation of Molecular Detections across Different Classes of Neptunian Atmospheres Using Cross-correlation Spectroscopy: Prospects for Future Extremely Large Telescopes with High-resolution Spectrographs
https://iopscience.iop.org/article/10.3847/1538-4365/adbf05

Quantifying the Fermi paradox via passive SETI: a general framework
https://arxiv.org/abs/2505.00062

Quantum-inspired exoplanet detection in the presence of experimental imperfections
https://arxiv.org/abs/2505.00064

Can Close-In Exoplanets form by Pebble Accretion?
https://arxiv.org/abs/2505.00090

Reconstructing the Free-floating Planet Mass Function with the Nancy Grace Roman Space Telescope
https://arxiv.org/abs/2505.00092

May 01, 2025 updates

Spying and the Fermi Paradox
https://uapbridge.org/spying-and-the-fermi-paradox/

Thermal Emission and Confirmation of the Frigid White Dwarf Exoplanet WD 1856+534 b
https://iopscience.iop.org/article/10.3847/2041-8213/adc9ad

JAvaScript Multimodal INformation Explorer
https://arxiv.org/abs/2504.21393

The Challenges of Detecting Gases in Exoplanet Atmospheres
https://arxiv.org/abs/2504.21788

Polka-dotted Stars: a Hierarchical Model for Mapping Stellar Surfaces Using Occultation Light Curves and the Case of TOI-3884
https://arxiv.org/abs/2504.21852

Transit Timing and Duration Variations for the Discovery and Characterization of Exoplanets in the TESS era
https://arxiv.org/abs/1706.09849

April 30, 2025 updates

Digital Discovery of Interferometric Gravitational Wave Detectors
https://journals.aps.org/prx/abstract/10.1103/PhysRevX.15.021012

Analysis of Exoplanet Habitability: Investigating Key Parameters and Environmental Influences
https://zenodo.org/records/15309145

Life by Chemical Evolution?
https://link.springer.com/book/9783662707517

Irradiated Atmospheres. II. Interplay between Scattering and Vertical-mixing-induced Energy Transport
https://iopscience.iop.org/article/10.3847/1538-4357/adc56b

Precise Near-infrared Occultation of WASP-19b with FourStar on Magellan
https://iopscience.iop.org/article/10.3847/2515-5172/add154

Escaping Helium and a Highly Muted Spectrum Suggest a Metal-Enriched Atmosphere on Sub-Neptune GJ3090b from JWST Transit Spectroscopy
https://arxiv.org/abs/2504.20428

Atmospheric C/O Ratios of Sub-Neptunes with Magma Oceans: Homemade rather than Inherited
https://arxiv.org/abs/2504.20450

Planets Across Space and Time (PAST). VI. Age Dependence of the Occurrence and Architecture of Ultra-Short-Period Planet Systems
https://arxiv.org/abs/2504.20986

Two neighbours to the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna
https://arxiv.org/abs/2504.20999

Numerical simulations of the interaction between the stellar magnetic field and a planet
https://arxiv.org/abs/2504.09390

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