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.

May 25, 2022 updates

The TESS-Keck Survey. XI. Mass Measurements for Four Transiting Sub-Neptunes Orbiting K Dwarf TOI–1246
https://iopscience.iop.org/article/10.3847/1538-3881/ac69e5

Viability of quantum communication across interstellar distances
https://arxiv.org/abs/2205.11816

Keck/NIRSPEC studies of He I in the atmospheres of two inflated hot gas giants orbiting K dwarfs: WASP-52b and WASP-177b
https://arxiv.org/abs/2205.11579

A Super-Earth Orbiting Near the Inner Edge of the Habitable Zone around the M4.5-dwarf Ross 508
https://arxiv.org/abs/2205.11986

The PEPSI-LBT Exoplanet Transit Survey (PETS). II. A Deep Search for Thermal Inversion Agents in KELT-20 b/MASCARA-2 b with Emission and Transmission Spectroscopy
https://arxiv.org/abs/2205.12162

Estimating the prevalence of malicious extraterrestrial civilizations
https://arxiv.org/abs/2205.11618

May 24, 2022 updates

The Origin of Life: What Is the Question?
https://liebertpub.com/doi/10.1089/ast.2021.0162

A ubiquitous unifying degeneracy in two-body microlensing systems
https://www.nature.com/articles/s41550-022-01671-6

Predicting the Exoplanet Yield of the TESS Prime and Extended Missions through Years 1–7
https://iopscience.iop.org/article/10.3847/1538-3881/ac68e3

TOI-1696 and TOI-2136: Constraining the Masses of Two Mini-Neptunes with the Habitable-Zone Planet Finder
https://iopscience.iop.org/article/10.3847/1538-3881/ac69ec

Negative polarization of light at backscattering from a numerical analog of planetary regoliths
https://www.sciencedirect.com/science/article/abs/pii/S0019103522002068

A statistical primer on exoplanet detection methods
https://arxiv.org/abs/2205.10417

Four sub-Jovian-mass planets detected by high-cadence microlensing surveys
https://arxiv.org/abs/2205.10510

The GAPS Programme at TNG: XXXVI. Measurement of the Rossiter-McLaughlin effect and revising the physical and orbital parameters of the HAT-P-15, HAT-P-17, HAT-P-21, HAT-P-26, HAT-P-29 eccentric planetary systems
https://arxiv.org/abs/2205.10549

Galactic Kites
https://arxiv.org/abs/2205.10618

The Hubble PanCET Program: A Featureless Transmission Spectrum for WASP-29b and Evidence of Enhanced Atmospheric Metallicity on WASP-80b
https://arxiv.org/abs/2205.10765

Venus as an Exoplanet: I. An Initial Exploration of the 3-D Energy Balance for a CO2 Exoplanetary Atmosphere Around an M-Dwarf Star
https://arxiv.org/abs/2205.10958

The need for a public forecast of stellar activity to optimise exoplanet radial velocity detections & transmission spectroscopy
https://arxiv.org/abs/2205.11187

Dynamical essence of the eccentric von Zeipel-Lidov-Kozai effect in restricted hierarchical planetary systems
https://arxiv.org/abs/2205.11238

May 23, 2022 Updates

Intergalactic Travel With MOND Rockets
https://lweb.cfa.harvard.edu/~loeb/MOND_arXiv.pdf

The 2821 Star Southern Hemisphere Optical SETI Survey: An Archival
Search for Candidate Laser Signals in ESO’s HARPS Spectroscope Database
https://digitalrepository.wheatoncollege.edu/handle/11040/32536

Internal structures and magnetic moments of rocky planets
Application to the first exoplanets discovered by TESS
https://www.aanda.org/articles/aa/full_html/2022/05/aa42781-21/aa42781-21.html

Do tides destabilize Trojan exoplanets?
https://www.sciencedirect.com/science/article/abs/pii/S0019103522001968

The unpopular Package: A Data-driven Approach to Detrending TESS Full-frame Image Light Curves
https://iopscience.iop.org/article/10.3847/1538-3881/ac625a

Earth as a Proxy Exoplanet: Simulating DSCOVR/EPIC Observations Using the Earth Spectrum Simulator
https://iopscience.iop.org/article/10.3847/1538-3881/ac5e2e

The Detection of Transiting Exoplanets by Gaia
https://arxiv.org/abs/2205.10197

A giant planet shaping the disk around the very low mass star CIDA 1
https://arxiv.org/abs/2205.10219

Intermediate Points for Missions to Interstellar Objects Using Optimum Interplanetary Trajectory Software
https://arxiv.org/abs/2205.10220

May 20, 2022 updates

Internal structures and magnetic moments of rocky planets – Application to the first exoplanets discovered by TESS
https://www.aanda.org/articles/aa/full_html/2022/05/aa42781-21/aa42781-21.html

Extraterrestrial artificial photosynthesis
https://www.sciencedirect.com/science/article/abs/pii/S254243512200188X

Alien suns reversing in exoplanet skies
https://www.nature.com/articles/s41598-022-11527-8

A general stability-driven approach for the refinement of multi-planet systems
https://arxiv.org/abs/2205.09319

A CHEOPS Search for Massive, Long-Period Companions to the Warm Jupiter K2-139 b
https://arxiv.org/abs/2205.09355

Pandora: A fast open-source exomoon transit detection algorithm
https://arxiv.org/abs/2205.09410

The TESS Grand Unified Hot Jupiter Survey. I. Ten TESS Planets
https://arxiv.org/abs/2205.09728

May 19, 2022 Updates

Detection of CO emission lines in the dayside atmospheres of WASP-33b and WASP-189b with GIANO
https://www.aanda.org/articles/aa/full_html/2022/05/aa43503-22/aa43503-22.html

Periodic orbits in the 1:2:3 resonant chain and their impact on the orbital dynamics of the Kepler-51 planetary system
https://www.aanda.org/articles/aa/full_html/2022/05/aa42953-21/aa42953-21.html

A Multiplanet System’s Sole Super-puff: Exploring Allowable Physical Parameters for the Cold Super-puff HIP 41378 f
https://iopscience.iop.org/article/10.3847/1538-3881/ac6353

Engineers Investigating NASA’s Voyager 1 Telemetry Data
https://www.jpl.nasa.gov/news/engineers-investigating-nasas-voyager-1-telemetry-data

Weak evidence for variable occultation depth of 55 Cnc e with TESS
https://arxiv.org/abs/2205.08560

Internet of Spacecraft for Multi-planetary Defense and Prosperity
https://arxiv.org/abs/2205.08567

Space Weather-driven Variations in Lyα Absorption Signatures of Exoplanet Atmospheric Escape: MHD Simulations and the Case of AU Mic b
https://arxiv.org/abs/2205.08900

HD 28109 hosts a trio of transiting Neptunian planets including a near-resonant pair, confirmed by ASTEP from Antarctica
https://arxiv.org/abs/2205.09046