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.

September24, 2021 Updates

A Snowball in Hell: The Potential Steam Atmosphere of TOI-1266c
https://arxiv.org/abs/2109.10838

Charting nearby stellar systems: The intensity of Galactic cosmic rays for a sample of solar-type stars
https://arxiv.org/abs/2109.10831

The mass of Beta Pictoris c from Beta Pictoris b orbital motion
https://arxiv.org/abs/2109.10671

Precise Masses and Orbits for Nine Radial Velocity Exoplanets
Https://Arxiv.Org/Abs/2109.10422

The Population of Interstellar Objects Detectable with the LSST and Accessible for In Situ Rendezvous with Various Mission Designs
https://arxiv.org/abs/2109.10406

A molecular wind blows out of the Kuiper belt
https://www.aanda.org/articles/aa/full_html/2021/09/aa41783-21/aa41783-21.html

The Solar System as an Exosystem: Planet Confusion
https://iopscience.iop.org/article/10.3847/2041-8213/ac20cf

Two Bright M Dwarfs Hosting Ultra-Short-Period Super-Earths with Earth-like Compositions*
https://iopscience.iop.org/article/10.3847/1538-3881/ac0fdc

Systematic KMTNet Planetary Anomaly Search. I. OGLE-2019-BLG-1053Lb, a Buried Terrestrial Planet
https://iopscience.iop.org/article/10.3847/1538-3881/ac12d4

The dynamics of the TRAPPIST-1 system in the context of its formation
https://arxiv.org/abs/2109.10984

On the Fate of Interstellar Objects Captured by our Solar System
https://arxiv.org/abs/2109.11017

Evidence for stellar contamination in the transmission spectra of HAT-P-12b
https://arxiv.org/abs/2109.11235

Critical Analysis of TESS Transit Photometric Data: Improved Physical Properties for Five Exoplanets
https://arxiv.org/abs/2109.11366

The TRAPPIST-1 Habitable Atmosphere Intercomparison (THAI). Part I: Dry Cases — The fellowship of the GCMs
Https://Arxiv.Org/Abs/2109.11457

The TRAPPIST-1 Habitable Atmosphere Intercomparison (THAI). Part II: Moist Cases — The Two Waterworlds
https://arxiv.org/abs/2109.11459

The TRAPPIST-1 Habitable Atmosphere Intercomparison (THAI). Part III: Simulated Observables — The return of the spectrum
https://arxiv.org/abs/2109.11460

The IRG Staff

September 23, 2021 Updates

Solar Neighborhood Exoplanet Host Stars within a Galactic Context
https://iopscience.iop.org/article/10.3847/2515-5172/ac283d

On the Demographics of Exoplanet Host Stars
https://iopscience.iop.org/article/10.3847/2515-5172/ac2893

Polarization Measurements of Selected Young Stars with Circumstellar Dusty Disks
https://iopscience.iop.org/article/10.3847/2515-5172/ac2822

Masses for free-floating planets and dwarf planets
https://iopscience.iop.org/article/10.1088/1674-4527/21/6/133

Two Bright M Dwarfs Hosting Ultra-Short-Period Super-Earths with Earth-like Compositions
https://iopscience.iop.org/article/10.3847/1538-3881/ac0fdc

Radial-velocity Precision of ESPRESSO Through the Analysis of the Solar Twin HIP 11915
https://iopscience.iop.org/article/10.3847/1538-3881/ac1bb5

Intelligent responses to our technological signals will not arrive in fewer than three millennia
https://www.sciencedirect.com/science/article/abs/pii/S0094576521004744

September 22, 2021 updates

Identifying Potential Exomoon Signals with Convolutional Neural Networks
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stab2694/6373454

Spitzer Phase-curve Observations and Circulation Models of the Inflated Ultrahot Jupiter WASP-76b
https://iopscience.iop.org/article/10.3847/1538-3881/ac0e30

Astrobiology: Science, Ethics, and Public Policy
https://onlinelibrary.wiley.com/doi/book/10.1002/9781119711186

A New Type of Exoplanet Direct Imaging Search: The SCExAO/CHARIS Survey of Accelerating Stars
https://arxiv.org/abs/2109.09745

September 21, 2021 updates

GW Ori: circumtriple rings and planets
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stab2624/6371904?

Giant Outer Transiting Exoplanet Mass (GOT ‘EM) Survey. II. Discovery of a Failed Hot Jupiter on a 2.7 Yr, Highly Eccentric Orbit
https://iopscience.iop.org/article/10.3847/1538-3881/ac134b

Analyzing the Habitable Zones of Circumbinary Planets Using Machine Learning
https://arxiv.org/abs/2109.08735

A Uniform Search for Nearby Planetary Companions to Hot Jupiters in TESS Data Reveals Hot Jupiters are Still Lonely
https://arxiv.org/abs/2109.08790

Panspermia in a Milky Way-like Galaxy
https://arxiv.org/abs/2109.08926

TOI-1296b and TOI-1298b observed with TESS and SOPHIE: Two hot Saturn-mass exoplanets with different densities around metal-rich stars
https://arxiv.org/abs/2109.09252

Tidal migration of hot Jupiters. Introducing the impact of gravity wave dissipation
https://arxiv.org/abs/2109.09257

TOI-1201 b: A mini-Neptune transiting a bright and moderately young M dwarf
https://arxiv.org/abs/2109.09346

Two circumbinary planets in RR Cae eclipsing binary system
https://arxiv.org/abs/2109.09397

September 20, 2021 updates

Design of a Spacecraft Prototype for Interstellar Journey Using Existing Methods of Propulsion
https://upcommons.upc.edu/handle/2117/351148

The Problem of Micrometeorite Impacts in Relativistic Interstellar Journeys
https://www.researchgate.net/publication/354374725_THE_PROBLEM_OF_MICROMETEORITE_IMPACTS_IN_RELATIVISTIC_INTERSTELLAR_JOURNEYS_An_evaluation_of_a_great_problem_to_reach_the_stars_The_High_SpeedHigh_Kinetic_Energy_micrometeorite_impacts_on_Route_repres

Radius and Mass Distribution of Ultra-short-period Planets
https://iopscience.iop.org/article/10.3847/1538-4357/ac0bb8

Early Habitability and Crustal Decarbonation of a Stagnant-Lid Venus
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2021JE006895

Nonlinear simulations of tides in the convective envelopes of low-mass stars and giant gaseous planets
https://arxiv.org/abs/2109.08562

Exploring Deep, Hot, Adiabats as a Potential Solution to the Radius Inflation Problem in Brown Dwarfs: Long Timescale Models of the Deep Atmospheres of KELT-1b, Kepler-13Ab, and SDSS1411B
https://arxiv.org/abs/2109.08609

Stellar Gravitational Lens Engineering for Interstellar Communication and Artifact SETI
https://arxiv.org/abs/2109.08657

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