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 09, 2024 updates

Revisiting the warm sub-Saturn TOI-1710b – The impact of stellar activity on the mass measurement
https://www.aanda.org/articles/aa/full_html/2024/04/aa48131-23/aa48131-23.html

The Goldstone Apple Valley Radio Telescope (GAVRT) Search for Extra Terrestrial Intelligence (SETI)
https://iopscience.iop.org/article/10.1088/1538-3873/ad2f4f

A Subsolar Metallicity on the Ultra-short-period Planet HIP 65Ab
https://iopscience.iop.org/article/10.3847/1538-3881/ad3071

Exploring Interstellar Communication through Gravitational Anomalies
https://osf.io/preprints/osf/57znd

Interstellar meteors from the tidal disruption of rocky planets on eccentric orbits around M dwarfs
https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/202449250

Imaging detection of the inner dust belt and the four exoplanets in the HR 8799 system with JWST’s MIRI coronagraph
https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/202347912

Singular Spectrum Analysis of Exoplanetary Transits
https://arxiv.org/abs/2404.05323

Necessary Conditions for Earthly Life Floating in the Venusian Atmosphere
https://arxiv.org/abs/2404.05356

Doppler Tomography as a tool for characterising exoplanet atmospheres II: an analysis of HD 179949 b
https://arxiv.org/abs/2404.05652

Optimized Bandpasses for the Habitable Worlds Observatory’s ExoEarth Survey
https://arxiv.org/abs/2404.05654

Self-referencing photothermal common-path interferometry to measure absorption of Si3N4 membranes for laser-light sails
https://arxiv.org/abs/2404.04449

April 08, 2024 Updates

Four-of-a-kind? Comprehensive atmospheric characterisation of the HR 8799 planets with VLTI/GRAVITY
https://arxiv.org/abs/2404.03776

Habitability constraints by nutrient availability in atmospheres of rocky exoplanets
https://arxiv.org/abs/2404.04029

Constraining stellar tidal quality factors from planet-induced stellar spin-up
https://arxiv.org/abs/2404.04047

Turbulent Fluxes and Evaporation/Sublimation Rates on Earth, Mars, Titan, and Exoplanets
https://onlinelibrary.wiley.com/doi/10.1029/2023JE008114

NLTE modelling of water-rich exoplanet atmospheres. Cooling and heating rates
https://www.sciencedirect.com/science/article/abs/pii/S0019103524001404

Helium in the Extended Atmosphere of the Warm Superpuff TOI-1420b
https://iopscience.iop.org/article/10.3847/1538-3881/ad3241

Asymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 b
https://www.aanda.org/articles/aa/full_html/2024/04/aa48270-23/aa48270-23.html

Implications of the discovery of AF Lep b – The mass-luminosity relation for planets in the β Pic Moving Group and the L–T transition for young companions and free-floating planets
https://www.aanda.org/articles/aa/full_html/2024/04/aa48012-23/aa48012-23.html

April 05, 2024 updates

Analyzing warp drive spacetimes with Warp Factory
https://iopscience.iop.org/article/10.1088/1361-6382/ad2e42

LHS 475 b: A Potential Venus Analog Orbiting a Nearby M Dwarf
https://iopscience.iop.org/article/10.3847/1538-3881/ad1b58

The Solar Neighborhood LI: A Variability Survey of Nearby M Dwarfs with Planets from Months to Decades with TESS and the CTIO/SMARTS 0.9 m Telescope
https://iopscience.iop.org/article/10.3847/1538-3881/ad2ddc

Toward Atmospheric Retrievals of Panchromatic Light Curves: ExPLOR-ing Generalized Inversion Techniques for Transiting Exoplanets with JWST and Ariel
https://iopscience.iop.org/article/10.3847/1538-3881/ad3032

Report of the Working Group on Strategic Exoplanet Initiatives with HST and JWST
https://arxiv.org/abs/2404.02932

Orbital obliquity of the young planet TOI-5398 b and the evolutionary history of the system
https://arxiv.org/abs/2404.02969

NGTS-30 b/TOI-4862 b: An 1 Gyr old 98-day transiting warm Jupiter
https://arxiv.org/abs/2404.02974

The Impact of Extended H2O Cross-Sections on Temperate Anoxic Planet Atmospheres: Implications for Spectral Characterization of Habitable Worlds
https://arxiv.org/abs/2404.03031

The GAPS Programme at TNG. XXX: Characterization of the low-density gas giant HAT-P-67 b with GIARPS
https://arxiv.org/abs/2404.03317

The Impact-driven Atmospheric Loss of Super-Earths around Different Spectral Type Host Stars
https://arxiv.org/abs/2404.03333

April 04, 2024 updates

Probably Not Aliens — Seismic Data Analysis from the 2014 ‘Interstellar Meteor’
https://www.hou.usra.edu/meetings/lpsc2024/pdf/2595.pdf

Thermal tides in neutrally stratified atmospheres: Revisiting the Earth’s Precambrian rotational equilibrium
https://www.aanda.org/articles/aa/full_html/2024/04/aa48625-23/aa48625-23.html

Trapped Water on Silicates in the Laboratory and in Astrophysical Environments
https://iopscience.iop.org/article/10.3847/1538-4357/ad2c07

Is artificial intelligence the great filter that makes advanced technical civilisations rare in the universe?
https://www.sciencedirect.com/science/article/pii/S0094576524001772

Data availability and requirements relevant for the Ariel space mission and other exoplanet atmosphere applications
https://arxiv.org/abs/2404.02188

April 03, 2024 updates

Different Scenarios for the Origin and the Subsequent Succession of a Hypothetical Microbial Community in the Cloud Layer of Venus
https://liebertpub.com/doi/10.1089/ast.2022.0117

ARES – VI. Viability of one-dimensional retrieval models for transmission spectroscopy characterization of exo-atmospheres in the era of JWST and Ariel
https://www.aanda.org/articles/aa/full_html/2024/04/aa47379-23/aa47379-23.html

Retrieved Atmospheres and Inferred Surface Properties for Exoplanets Using Transmission and Reflected Light Spectroscopy
https://arxiv.org/abs/2404.01423

A fading radius valley towards M-dwarfs, a persistent density valley across stellar types
https://arxiv.org/abs/2404.01967