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.

October 11, 2021 Updates

Disks in close binary stars – γ-Cephei revisited
https://www.aanda.org/articles/aa/abs/2021/10/aa41248-21/aa41248-21.html

A multiwavelength analysis of the spiral arms in the protoplanetary disk around WaOph 6
https://www.aanda.org/articles/aa/full_html/2021/10/aa40783-21/aa40783-21.html

The mass of β Pictoris c from β Pictoris b orbital motion
https://www.aanda.org/articles/aa/full_html/2021/10/aa41889-21/aa41889-21.html

Seeing Earth as another planet
https://www.sciencedirect.com/science/article/abs/pii/S0262407921017760

There may be an exoplanet orbiting three stars at once
https://www.sciencedirect.com/science/article/abs/pii/S0262407921017838

TOI-3362b: A Proto Hot Jupiter Undergoing High-eccentricity Tidal Migration
https://iopscience.iop.org/article/10.3847/2041-8213/ac2600

The statistical properties of protostellar discs and their dependence on metallicity
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stab2901/6384835?redirectedFrom=fulltext

Mass Transport in a Moist Planetary Climate Model
https://arxiv.org/abs/2110.03719

The formation of wide exoKuiper belts from migrating dust traps
https://arxiv.org/abs/2110.04007

TOI-530b: A giant planet transiting an M dwarf detected by TESS
https://arxiv.org/abs/2110.04220

October 8, 2021 updates

The key impact of the host star’s rotational history on the evolution of TOI-849b
https://www.aanda.org/articles/aa/full_html/2021/10/aa41734-21/aa41734-21.html

Carbon Cycling and Habitability of Massive Earth-like Exoplanets
https://iopscience.iop.org/article/10.3847/PSJ/ac24aa

The Criterion for Chaos in Three-Planet Systems
https://arxiv.org/abs/2110.02956

TRAPPIST-1: Dynamical analysis of the transit-timing variations and origin of the resonant chain
https://arxiv.org/abs/2110.03340

The traditional approximation of rotation for rapidly rotating stars and planets. II. Deformation and differential rotation
https://arxiv.org/abs/2110.03619

October 7, 2021 updates

Observational and Theoretical Studies of Radio Technosignatures and Pulsars
https://www.proquest.com/openview/360b62925791845a8b43d3c861624769/1

Photoevaporation versus core-powered mass-loss: model comparison with the 3D radius gap
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stab2897/6383001

pyaneti II: A multi-dimensional Gaussian process approach to analysing spectroscopic time-series
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stab2889/6383008

SOLES I: The Spin–Orbit Alignment of K2-140 b
https://iopscience.iop.org/article/10.3847/1538-3881/ac1f8f

Retrieving Exoplanet Atmospheres using Planetary Infrared Excess: Prospects for the Nightside of WASP-43 b and other Hot Jupiters
https://arxiv.org/abs/2110.02247

Nebula-Relay Hypothesis: The Chirality of Biological Molecules in Molecular Clouds
https://arxiv.org/abs/2110.02524

October 6, 2021 updates

NASA Scientist Looks to AI, Lensing to Find Masses of Free-Floating Planets
https://www.nasa.gov/feature/goddard/2021/scientist-looks-to-ai-lensing-to-find-masses-of-free-floating-planets

Constraining the Orbit and Mass of epsilon Eridani b with Radial Velocities, Hipparcos IAD-Gaia DR2 Astrometry, and Multiepoch Vortex Coronagraphy Upper Limits
https://iopscience.iop.org/article/10.3847/1538-3881/ac134a

A Multispecies Pseudoadiabat for Simulating Condensable-rich Exoplanet Atmospheres
https://iopscience.iop.org/article/10.3847/PSJ/ac214c

Measuring titanium isotope ratios in exoplanet atmospheres
https://arxiv.org/abs/2110.01908

Retrieving the transmission spectrum of HD 209458b using CHOCOLATE: A new chromatic Doppler tomography technique
https://arxiv.org/abs/2110.02028

Polarized muons and the origin of biological homochirality
https://arxiv.org/abs/2110.01975

October 5, 2021 updates

Planets and life
https://www.degruyter.com/document/doi/10.1051/978-2-7598-2570-7/html

Potential for Phototrophy in Venus’ Clouds
https://liebertpub.com/doi/10.1089/ast.2021.0032

Detecting Oceans on Exoplanets with Phase-Dependent Spectral Principal Component Analysis
https://arxiv.org/abs/2109.11062

The K2-OjOS Project: New and Revisited Planets and Candidates in K2 Campaigns 5, 16 & 18
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stab2669/6373954

Why Do M Dwarfs Have More Transiting Planets?
https://iopscience.iop.org/article/10.3847/2041-8213/ac2947

A comparison of chemical models of exoplanet atmospheres enabled by TauREx 3.1
https://arxiv.org/abs/2110.01271

Split Peas in a Pod: Intra-System Uniformity of Super-Earths and Sub-Neptunes
https://arxiv.org/abs/2110.01466

Five new hot-Jupiter transits investigated with Swift-UVOT
https://arxiv.org/abs/2110.01579