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.

June 06, 2024 updates

Planet-sized laboratories offer cosmological insights
https://www.nature.com/articles/s41550-024-02285-w

TESS Giants Transiting Giants. IV. A low-density hot Neptune orbiting a red giant star
https://iopscience.iop.org/article/10.3847/1538-3881/ad4149

Reconnaissance of potentially habitable worlds with Webb
https://phys.org/news/2024-06-reconnaissance-potentially-habitable-worlds-webb.html

Host-star Properties of Hot, Warm, and Cold Jupiters in the Solar Neighborhood from Gaia Data Release 3: Clues to Formation Pathways
https://iopscience.iop.org/article/10.3847/1538-3881/ad429f

Simulating the Escaping Atmosphere of GJ 436 b with Two-fluid Magnetohydrodynamic Models
https://iopscience.iop.org/article/10.1088/1674-4527/ad47de

Synechococcus sp. PCC7335 responses to far-red enriched spectra and anoxic/microoxic atmospheres: potential for astrobiotechnological applications
https://www.sciencedirect.com/science/article/abs/pii/S0981942824004613

Novel Atmospheric Dynamics Shape Inner Edge of Habitable Zone Around White Dwarfs
https://arxiv.org/abs/2406.03189

BEBOP V. Homogeneous Stellar Analysis of Potential Circumbinary Planet Hosts
https://arxiv.org/abs/2406.03094

Simultaneous retrieval of orbital phase resolved JWST/MIRI emission spectra of the hot Jupiter WASP-43b: evidence of water, ammonia and carbon monoxide
https://arxiv.org/abs/2406.03490

June 05, 2024 updates

Congressional language alters plans for NASA’s Habitable Worlds Observatory
https://spacenews.com/congressional-language-alters-plans-for-nasas-habitable-worlds-observatory/

Recipes for Forming a Carbon–Rich Giant Planet
https://link.springer.com/article/10.1007/s11214-024-01071-4

The GAPS Programme at TNG – LV. Multiple molecular species in the atmosphere of HAT-P-11 b and review of the HAT-P-11 planetary system
https://arxiv.org/abs/2403.01527

Two-dimensional Eclipse Mapping of the Hot-Jupiter WASP-43b with JWST MIRI/LRS
https://iopscience.iop.org/article/10.3847/1538-3881/ad434d

Ethical and Practical Considerations for Populating a Distant Exoplanet: AI and Robotic Support vs. AI and Humanity
https://www.researchgate.net/publication/381121395_Ethical_and_Practical_Considerations_for_Populating_a_Distant_Exoplanet_AI_and_Robotic_Support_vs_AI_and_Humanity

Debris Disks can Contaminate Mid-Infrared Exoplanet Spectra: Evidence for a Circumstellar Debris Disk around Exoplanet Host WASP-39
https://arxiv.org/abs/2406.02305

Use the 4S (Signal-Safe Speckle Subtraction): Explainable Machine Learning reveals the Giant Exoplanet AF Lep b in High-Contrast Imaging Data from 2011
https://arxiv.org/abs/2406.01809

CHEOPS in-flight performance: A comprehensive look at the first 3.5 years of operations
https://arxiv.org/abs/2406.01716

Chemical mapping of temperate sub-Neptune atmospheres: Constraining the deep-interior H2O/H2 using the atmospheric CO2/CH4
https://arxiv.org/abs/2406.01955

Longitudinal Filtering, Sponge Layers, and Equatorial Jet Formation in a General Circulation Model of Gaseous Exoplanets
https://arxiv.org/abs/2406.02231

June 04, 2024 updates

Adaptation of Photoautotrophs in Extraterrestrial Environments: Responses and Mechanisms of Survival
https://link.springer.com/chapter/10.1007/978-981-97-1883-2_12

TOI-1685 b is a Hot Rocky Super-Earth: Updates to the Stellar and Planet Parameters of a Popular JWST Cycle 2 Target
https://arxiv.org/abs/2405.14895

The GAPS Programme at TNG – LIV. A He I survey of close-in giant planets hosted by M-K dwarf stars with GIANO-B
https://www.aanda.org/articles/aa/full_html/2024/06/aa48997-23/aa48997-23.html

TASTE – V. A new ground-based investigation of orbital decay in the ultra-hot Jupiter WASP-12b
https://www.aanda.org/articles/aa/full_html/2024/06/aa48363-23/aa48363-23.html

Interstellar meteors from the tidal disruption of rocky planets on eccentric orbits around M dwarfs
https://www.aanda.org/articles/aa/full_html/2024/06/aa49250-24/aa49250-24.html

The GAPS Programme at TNG – LV. Multiple molecular species in the atmosphere of HAT-P-11 b and review of the HAT-P-11 planetary system
https://www.aanda.org/articles/aa/full_html/2024/06/aa47659-23/aa47659-23.html

Nonbiological Hybrids for Interstellar Travel: Melding Human Consciousness with Artificial Intelligence
https://www.researchgate.net/publication/381120734_Nonbiological_Hybrids_for_Interstellar_Travel_Melding_Human_Consciousness_with_Artificial_Intelligence

Using A New Semi-Empirical Planetary Temperature Model to Define the Habitable Zone of Earth-Like Planets: The Critical Role of Atmospheric Pressure
https://www.researchgate.net/publication/381041877_Using_A_New_Semi-Empirical_Planetary_Temperature_Model_to_Define_the_Habitable_Zone_of_Earth-Like_Planets_The_Critical_Role_of_Atmospheric_Pressure

Stellar Characterization and Chemical Abundances of Exoplanet Hosting M dwarfs from APOGEE Spectra: Future JWST Targets
https://arxiv.org/abs/2406.00111

Are WASP-107-like Systems Consistent with High-eccentricity Migration?
https://arxiv.org/abs/2406.00187

Early-time small-scale structures in hot-exoplanet atmosphere simulations
https://arxiv.org/abs/2406.00526

June 03, 2024 updates

Recipes for forming a carbon–rich giant planet
https://arxiv.org/abs/2405.19748

Internal Nuclear Propulsion System for Future Space Applications
https://acceleron.org.in/index.php/aaj/article/view/115

HST SHEL: Enabling Comparative Exoplanetology with HST/STIS
https://arxiv.org/abs/2405.20361

Identifying and Fitting Eclipse Maps of Exoplanets with Cross-Validation
https://arxiv.org/abs/2405.20689

Shallower radius valley around low-mass hosts: Evidence for icy planets, collisions or high-energy radiation scatter
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stae1376/7686126

Direct Imaging Detection of the Protoplanet AB Aur b at Wavelengths Covering Paβ
https://iopscience.iop.org/article/10.3847/2515-5172/ad50ce

The Abundance of Chlorine in the Atmosphere of HD 87240
https://iopscience.iop.org/article/10.3847/2515-5172/ad50d8

The GAPS Programme at TNG – LIV. A He I survey of close-in giant planets hosted by M-K dwarf stars with GIANO-B
https://www.aanda.org/articles/aa/full_html/2024/06/aa48997-23/aa48997-23.html

Thermal structure of circumbinary discs: Circumbinary planets should be icy, not rocky
https://www.aanda.org/articles/aa/full_html/2024/06/aa49237-24/aa49237-24.html

Examining the detectability of ringing on highly eccentric exoplanets
https://www.aanda.org/articles/aa/full_html/2024/06/aa49169-24/aa49169-24.html

Repeating X-ray bursts: Interaction between a neutron star and clumps partially disrupted from a planet
https://www.aanda.org/articles/aa/full_html/2024/06/aa47828-23/aa47828-23.html

May 31, 2024 updates

Drosophila parasitoids go to space: Unexpected effects of spaceflight on hosts and their parasitoids
https://www.cell.com/iscience/fulltext/S2589-0042(23)02836-5

TASTE – V. A new ground-based investigation of orbital decay in the ultra-hot Jupiter WASP-12b
https://www.aanda.org/articles/aa/full_html/2024/06/aa48363-23/aa48363-23.html

How do wavelength correlations affect transmission spectra? Application of a new fast and flexible 2D Gaussian process framework to transiting exoplanet spectroscopy
https://www.aanda.org/articles/aa/full_html/2024/06/aa47613-23/aa47613-23.html

General Post-Newtonian Orbital Effects
https://www.cambridge.org/core/books/general-postnewtonian-orbital-effects/FCC595138F971501888E513BADA58680

A Unified Treatment of Kepler Occurrence to Trace Planet Evolution. II. The Radius Cliff Formed by Atmospheric Escape
https://iopscience.iop.org/article/10.3847/1538-3881/ad434c

Mass–Radius Relationships and Contraction of Condensed Planets by Cooling or Despinning
https://iopscience.iop.org/article/10.3847/1538-4357/ad4113

Lethal surface ozone concentrations are possible on habitable zone exoplanets
https://arxiv.org/abs/2405.20167

Enhancing Exoplanet Ephemerides by Leveraging Professional and Citizen Science Data: A Test Case with WASP-77A b
https://arxiv.org/abs/2405.19615

Paths to Robust Exoplanet Science Yield Margin for the Habitable Worlds Observatory
https://arxiv.org/abs/2405.19418

Bioverse: GMT and ELT Direct Imaging and High-Resolution Spectroscopy Assessment – Surveying Exo-Earth O2 and Testing the Habitable Zone Oxygen Hypothesis
https://arxiv.org/abs/2405.11423

Motivating Emissions from Positive Energy Warp Bubbles
https://arxiv.org/abs/2405.19381

Significant mutual inclinations between the stellar spin and the orbits of both planets in the HAT-P-11 system
https://arxiv.org/abs/2405.19510

Planet-Planet Scattering and ZLK Migration — The Dynamical History of HAT-P-11
https://arxiv.org/abs/2405.19511

Recipes for forming a carbon-rich giant planet
https://arxiv.org/abs/2405.19748

A Larger Sample Confirms Small Planets Around Hot Stars Are Misaligned
https://arxiv.org/abs/2405.20035

HIP 41378 observed by CHEOPS: Where is planet d?
https://arxiv.org/abs/2405.20077

Fleeting but not Forgotten: the Imprint of Escaping Hydrogen Atmospheres on Super-Earth Interiors
https://arxiv.org/abs/2402.14072