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.

July 23, 2024 updates

Planetary Scale Replication as an Agnostic Biosignature
https://direct.mit.edu/isal/proceedings/isal2024/36/68/123457

Generative AI for Space Exploration: A Frontier in Autonomous Systems
https://www.academia.edu/115667171/Generative_AI_for_Space_Exploration_A_Frontier_in_Autonomous_Systems

Compact Spatial Heterodyne Spectrographs for Future Space-Based Observations: Instrument Modeling and Applications
https://www.mdpi.com/1424-8220/24/14/4709

A temperate super-Jupiter imaged with JWST in the mid-infrared
https://www.nature.com/articles/s41586-024-07837-8

PDS 70 unveiled by star-hopping: Total intensity, polarimetry, and millimeter imaging modeled in concert
https://www.aanda.org/articles/aa/full_html/2024/07/aa49018-23/aa49018-23.html

How planets grow by pebble accretion – V. Silicate rainout delays the contraction of sub-Neptunes
https://www.aanda.org/articles/aa/full_html/2024/07/aa49137-23/aa49137-23.html

Three short-period Earth-sized planets around M dwarfs discovered by TESS: TOI-5720 b, TOI-6008 b, and TOI-6086 b
https://www.aanda.org/articles/aa/full_html/2024/07/aa49127-23/aa49127-23.html

Improving Earth-like planet detection in radial velocity using deep learning
https://www.aanda.org/articles/aa/full_html/2024/07/aa50022-24/aa50022-24.html

The SHERLOCK pipeline: new exoplanet candidates in the WASP-16, HAT-P-27, HAT-P-26, and TOI-2411 systems
https://arxiv.org/abs/2407.14602

The Smallsat Technology Accelerated Maturation Platform-1 (STAMP-1): A Proposal to Advance Ultraviolet Science, Workforce, and Technology for the Habitable Worlds Observatory
https://arxiv.org/abs/2407.14611

Simulation results for Robo-AO-2 using HAPA: a wavefront sensing technique for improving the adaptive optics correction of fainter stars
https://arxiv.org/abs/2407.14677

Prototyping liquid-crystal coronagraphs for exo-Earth imaging
https://arxiv.org/abs/2407.14723

First Comparative Exoplanetology Within a Transiting Multi-planet System: Comparing the atmospheres of V1298 Tau b and c
https://arxiv.org/abs/2407.14995

Super-Earth formation with slow migration from a ring in an evolving peaked disk compatible with terrestrial planet formation
https://arxiv.org/abs/2407.15386

Flows, Circulations, and Energy Transport in the Outer and Deep Atmospheres of Synchronous and Non-synchronous Hot Jupiters
https://arxiv.org/abs/2407.15602

Statistics and Habitability of F-type Star–Planet Systems
https://arxiv.org/abs/2407.15826

July 22, 2024 updates

Determining the atmospheric composition of the ultra-hot Jupiter WASP-178b with ESPRESSO
https://repositorio-aberto.up.pt/handle/10216/159708

The First Evidence of a Host Star Metallicity Cut-off In The Formation of Super-Earth Planets
https://arxiv.org/abs/2407.13821

A Benchmark JWST Near-Infrared Spectrum for the Exoplanet WASP-39b
https://arxiv.org/abs/2407.13893

Main-sequence systems: orbital stability around single star hosts
https://arxiv.org/abs/2407.13899

Main-sequence systems: orbital stability in stellar binaries
https://arxiv.org/abs/2407.13901

Second-generation planet formation after tidal disruption from common envelope evolution
https://arxiv.org/abs/2407.14190

The chemistry of star and planet formation with SKA
https://arxiv.org/abs/2407.14217

Outflow Driven by a Protoplanet Embedded in the TW Hya Disk
https://arxiv.org/abs/2407.14395

Eccentric orbits may enhance the habitability of earth-like exoplanets
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae1758/7717378

Rapid Protoplanet Formation in Vortices: Three-dimensional Local Simulations with Self-gravity
https://iopscience.iop.org/article/10.3847/2041-8213/ad5af6

No reason to colonize the whole galaxy
https://www.sciencedirect.com/science/article/abs/pii/S0094576524003990

July 19, 2024 updates

Beyond the rocket: A minireview of propellantless propulsion technologies and concepts
https://www.researchgate.net/publication/382082373_Beyond_the_rocket_A_minireview_of_propellantless_propulsion_technologies_and_concepts

Building Identity and Community for Early Career Professionals in the Emerging Field of Astrobiology
https://liebertpub.com/doi/10.1089/ast.2023.0066

Space Medicine and AI: Past, Present, Future
https://bis-space.com/shop/product/jbis-077-02-0067/

Toward Robust Corrections for Stellar Contamination in JWST Exoplanet Transmission Spectra
https://iopscience.iop.org/article/10.3847/1538-3881/ad5833

TESS Giants Transiting Giants. VI. Newly Discovered Hot Jupiters Provide Evidence for Efficient Obliquity Damping after the Main Sequence
https://iopscience.iop.org/article/10.3847/1538-3881/ad543b

Free-floating Planets, Survivor Planets, Captured Planets, and Binary Planets from Stellar Flybys
https://iopscience.iop.org/article/10.3847/1538-4357/ad4f81

Doomed Worlds. I. No New Evidence for Orbital Decay in a Long-term Survey of 43 Ultrahot Jupiters
https://iopscience.iop.org/article/10.3847/PSJ/ad3e80

No reason to colonize the whole galaxy
https://www.sciencedirect.com/science/article/abs/pii/S0094576524003990

Experimental microarcsecond pointing for coronagraphic exoplanet imaging using robust least mean squares: Control design and hardware testbed results
https://www.sciencedirect.com/science/article/abs/pii/S0888327024006241

JWST reveals a rapid and strong day side variability of 55 Cancri e
https://arxiv.org/abs/2407.12898

Modeling the Solar System as an Observed Multi-Transit System I: Characterization Limits from Analytic Timing Variations
https://arxiv.org/abs/2407.13154

Evidence for Nightside Water Emission Found in Transit of Ultrahot Jupiter WASP-33b
https://arxiv.org/abs/2407.13388

A common law for the differential rotation of planets and stars
https://arxiv.org/abs/2407.13484

Colorado Ultraviolet Transit Experiment Near-Ultraviolet Transmission Spectroscopy of the Ultra-hot Jupiter KELT-9b
https://arxiv.org/abs/2407.13656

Challenge of direct imaging of exoplanets within structures: disentangling real signal from point source from background light
https://arxiv.org/abs/2407.13756

July 18, 2024 updates

A hot-Jupiter progenitor on a super-eccentric retrograde orbit
https://www.nature.com/articles/s41586-024-07688-3

Atomic‐Scale Study of Intercrystalline (Mg,Fe)O in Planetary Mantles: Mechanics and Thermodynamics of Grain Boundaries Under Pressure
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023JB028375

Clumped Isotope Signatures of Abiotic Methane: The Role of the Combinatorial Isotope Effect
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023JB028194

New insights into the internal structure of GJ 1214 b informed by JWST
https://arxiv.org/abs/2407.12079

Westward hotspot offset explained by subcritical dynamo action in an ultra-hot Jupiter atmosphere
https://arxiv.org/abs/2407.12434

Seasonal Changes in the Atmosphere of HD 80606b Observed with JWST’s NIRSpec/G395H
https://arxiv.org/abs/2407.12456

July 17, 2024 updates

The GAPS programme at TNG – LVII. TOI-5076b: A warm sub-Neptune planet orbiting a thin-to-thick-disk transition star in a wide binary system
https://www.aanda.org/articles/aa/full_html/2024/07/aa49082-23/aa49082-23.html

X-ray variability of the triplet star system LTT1445 and evaporation history of the planets around its A component
https://www.aanda.org/articles/aa/full_html/2024/07/aa49400-24/aa49400-24.html

Are These Planets or Brown Dwarfs? Broadly Solar Compositions from High-resolution Atmospheric Retrievals of ∼10–30 MJup Companions
https://iopscience.iop.org/article/10.3847/1538-4357/ad4796

Astrometry as a Tool for Discovering and Weighing Faint Companions to Nearby Stars
https://iopscience.iop.org/article/10.1088/1538-3873/ad59c5

Additional Doppler Monitoring Corroborates HAT-P-11 c as a Planet
https://arxiv.org/abs/2407.11109

High-Resolution Dayside Spectroscopy of WASP-189b: Detection of Iron during the GHOST/Gemini South System Verification Run
https://arxiv.org/abs/2407.11281

The CARMENES search for exoplanets around M dwarfs. Revisiting the GJ 581 multi-planetary system with new Doppler measurements from CARMENES, HARPS, and HIRES
https://arxiv.org/abs/2407.11520

Searching for the Grand Tack in Exoplanetary Data
https://arxiv.org/abs/2407.11574

Tracking Advanced Planetary Systems (TAPAS) with HARPS-N VIII. A wide-orbit planetary companion in the hot-Jupiter system HD 118203
https://arxiv.org/abs/2407.11706

Fate of a remnant solid disk around an eccentric giant planet
https://arxiv.org/abs/2407.11829

Is the Emergence of Life an Expected Phase Transition in the Evolving Universe?
https://osf.io/preprints/osf/6rvjs