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 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

October 4, 2021 updates

Astrobiology Perspectives on Life in the Universe
https://www.amazon.com/dp/B09HMRCL53

Introducing the Venus Collection—Papers from the First Workshop on Habitability of the Cloud Layer
https://liebertpub.com/doi/10.1089/ast.2021.0142

NASA Confirms Roman Mission’s Flight Design in Milestone Review
https://www.nasa.gov/feature/goddard/2021/nasa-confirms-roman-missions-flight-design-in-milestone-review

Stellar Winds Drive Strong Variations in Exoplanet Evaporative Outflow Patterns and Transit Absorption Signatures
https://iopscience.iop.org/article/10.3847/1538-4357/abf63a

Follow-up of non-transiting planets detected by Kepler – Confirmation of three hot-Jupiters and validation of three other planets
https://www.aanda.org/articles/aa/abs/2021/10/aa40746-21/aa40746-21.html

CHEOPS precision phase curve of the Super-Earth 55 Cancri e
https://www.aanda.org/articles/aa/abs/2021/09/aa40892-21/aa40892-21.html

The Solar Neighborhood XLVIII: Nine Giant Planets Orbiting Nearby K Dwarfs, and the CHIRON Spectrograph’s Radial Velocity Performance
https://iopscience.iop.org/article/10.3847/1538-3881/ac082a

A More Precise Mass for GJ 1214 b and the Frequency of Multiplanet Systems Around Mid-M Dwarfs
https://iopscience.iop.org/article/10.3847/1538-3881/ac1584

Thin accretion disks around traversable wormholes
https://www.sciencedirect.com/science/article/pii/S0550321321002455

SETI in 2020
https://www.sciencedirect.com/science/article/pii/S0094576521005105

Finding Exoplanets with Quantum Imaging
https://physics.aps.org/articles/v14/s122

Cross-sections for heavy atmospheres: H2O continuum
https://arxiv.org/abs/2110.00403

TIC~257060897b: an inflated, low-density, hot-Jupiter transiting a rapidly evolving subgiant star
https://arxiv.org/abs/2110.00489

Alfnoor: assessing the information content of Ariel’s low resolution spectra with planetary population studies
https://arxiv.org/abs/2110.00503

Can the China’s FAST telescope detect extraterrestrial von-Neumann probes?
https://arxiv.org/abs/2110.00406