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 22, 2021 updates

A Framework for Discovering Optimal Solutions in Photonic Inverse Design
https://arxiv.org/abs/2106.08419

Timescales for Prebiotic Photochemistry Under Realistic Surface Ultraviolet Conditions
https://liebertpub.com/doi/10.1089/ast.2020.2335

Nonlinear Deployment Dynamics and Wrinkling of a Membrane Attached to Two Axially Moving Beams
https://arc.aiaa.org/doi/10.2514/1.A34962

Evolution of the Exoplanet Size Distribution: Forming Large Super-Earths Over Billions of Years
https://iopscience.iop.org/article/10.3847/1538-3881/abf439

Detection of Aerosols at Microbar Pressures in an Exoplanet Atmosphere
https://arxiv.org/abs/2106.10292

Planetary magnetosphere evolution around post-main-sequence stars
https://arxiv.org/abs/2106.10293

Irradiation-driven escape of primordial planetary atmospheres I. The ATES photoionization hydrodynamics code
https://arxiv.org/abs/2106.10294

An analytic solution for evaluating the magnetic field induced from an arbitrary, asymmetric ocean world
https://arxiv.org/abs/2106.10878

Formulation and Resolutions of the Red Sky Paradox
https://arxiv.org/abs/2106.11207

Non-local thermodynamic equilibrium effects determine the upper atmospheric temperature structure of the ultra-hot Jupiter KELT-9b
https://arxiv.org/abs/2106.11263

The impact of classical and General Relativistic obliquity precessions on the habitability of circumstellar neutron stars’ planets
https://arxiv.org/abs/2106.06024

Self-stabilization of light sails by damped internal degrees of freedom
https://arxiv.org/abs/2106.10961

June 21, 2021 updates

Drake-like Calculations for the Frequency of Life in the Universe
https://www.mdpi.com/2409-9287/6/2/49/htm

Worldship and self replicating systems
https://i4is.org/wp-content/uploads/2021/06/Worldship-and-self-replicating-systems-Principium32-print-2102221659-opt.pdf

Space ML
http://www.spaceml.org/

Radio interference reduction in interstellar communications: methods and observations
https://arxiv.org/abs/2106.10168

The Occurrence-weighted Median Planets Discovered by Transit Surveys Orbiting Solar-type Stars and Their Implications for Planet Formation and Evolution
https://arxiv.org/abs/2106.09725

Polarimetric Signature of Ocean as Detected by Near-Infrared Earthshine Observations
https://arxiv.org/abs/2106.10099

An analytical model for tidal evolution in co-orbital systems I. Application to exoplanets
https://arxiv.org/abs/2106.10186

June 17, 2021 updates

Interstellar objects follow the collapse of molecular clouds
https://arxiv.org/abs/2106.08580

Linearized Field Deblending: PSF Photometry for Impatient Astronomers
https://arxiv.org/abs/2106.08411

Waterworlds Probably Do Not Experience Magmatic Outgassing
https://arxiv.org/abs/2106.08538

Discovery of an inflated hot Jupiter around a slightly evolved star TOI-1789
https://arxiv.org/abs/2106.08660

Idealised 3D simulations of diabatically-forced Ledoux convection. Application to the atmosphere of hot rocky exoplanets
https://arxiv.org/abs/2106.08842

June 16, 2021 updates

Multiband Transit Follow-up Observations of Five Hot Jupiters with Critical Noise Treatments: Improved Physical Properties
https://iopscience.iop.org/article/10.3847/1538-3881/ac01dd

LBT Reveals Large Dust Particles and a High Mass Loss Rate for K2-22 b
https://arxiv.org/abs/2106.07648

Possibilities for an Aerial Biosphere in Temperate Sub Neptune-Sized Exoplanet Atmospheres
https://arxiv.org/abs/2106.07729

Galactic Traversability: A New Concept for Extragalactic SETI
https://arxiv.org/abs/2106.07739

ALMA 870 μm continuum observations of HD 100546. Evidence of a giant planet on a wide orbit
https://arxiv.org/abs/2106.07757

GRAVITY K-band spectroscopy of HD 206893 B: brown dwarf or exoplanet
https://arxiv.org/abs/2106.08249

A Large-scale Approach to Modelling Molecular Biosignatures: The Diatomics
https://arxiv.org/abs/2106.07647

The Noonday Argument: Fine-Graining, Indexicals, and the Nature of Copernican Reasoning
https://arxiv.org/abs/2106.07738