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 21, 2022 updates

Apsidal alignment and anti-alignment of planets in Mean-Motion Resonance: Disk-driven migration and eccentricity driving
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac2914/6764734

Search for Extraterrestrial Intelligence with the ngVLA
https://iopscience.iop.org/article/10.3847/1538-3881/ac92e7

X-Ray Emission from the Exoplanet Hosting LTT 1445 Triple Star System https://iopscience.iop.org/article/10.3847/1538-3881/ac8f25

TFAW survey II: 6 Newly Validated Planets and 13 Planet Candidates from K2
https://arxiv.org/abs/2210.10805

TOI-3884 b: A rare 6-R⊕ planet that transits a low-mass star with a giant and likely polar spot
https://arxiv.org/abs/2210.10909

Lower-than-expected flare temperatures for TRAPPIST-1
https://arxiv.org/abs/2210.11103

The Key Factors Controlling the Seasonality of Planetary Climate
https://arxiv.org/abs/2210.11357

October 20, 2022 updates

Interstellar object ‘Oumuamua still puzzling scientists 5 years after discovery
https://www.space.com/oumuamua-discovery-solar-system-implications

Orbital and dynamical analysis of the system around HR 8799 – New astrometric epochs from VLT/SPHERE and LBT/LUCI
https://www.aanda.org/articles/aa/full_html/2022/10/aa43862-22/aa43862-22.html

The CARMENES search for exoplanets around M dwarfs – Stable radial-velocity variations at the rotation period of AD Leonis: A test case study of current limitations to treating stellar activity
https://www.aanda.org/articles/aa/full_html/2022/10/aa43773-22/aa43773-22.html

TIC 114936199: A Quadruple Star System with a 12 Day Outer-orbit Eclipse https://iopscience.iop.org/article/10.3847/1538-4357/ac8934

Prediction of an Earth-sized Planet Formed in the Habitable Zone of the SPECULOOS-2 System
https://iopscience.iop.org/article/10.3847/2515-5172/ac9ab8

The Key Factors Controlling the Seasonality of Planetary Climate https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2022AV000684

LavAtmos: An open source chemical equilibrium vaporisation code for lava worlds
https://arxiv.org/abs/2210.10463

Likelihood ratio map for direct exoplanet detection
https://arxiv.org/abs/2210.10609

Hubble WFC3 Spectroscopy of the Rocky Planet L 98-59 b: No Evidence for a Cloud-Free Primordial Atmosphere
https://arxiv.org/abs/2210.10699

Galactic settlement of low-mass stars as a resolution to the Fermi paradox
https://arxiv.org/abs/2210.10656

Exploration of M31 via Black-Hole Slingshots and the “Intergalactic Imperative”
https://arxiv.org/abs/2210.10622

Avoiding the “Great Filter”: Extraterrestrial Life and Humanity’s Future in the Universe
https://arxiv.org/abs/2210.10582

October 19, 2022 updates

A Physicochemical Consideration of Prebiotic Microenvironments for Self-Assembly and Prebiotic Chemistry
https://www.mdpi.com/2075-1729/12/10/1595/htm

Investigations on the Role of Iron (III) and Silica-Iron (III) for DNA Protection Against Highly Intense UV Radiation: Tracking the Connection of Prebiotic Chemistry to Biology
https://liebertpub.com/doi/10.1089/ast.2022.0004

Overview of Activities: ARES-III and LEARN Analog Missions in the LunAres Hab
https://spj.sciencemag.org/journals/space/2022/9763959/

The CARMENES search for exoplanets around M dwarfs – Stable radial-velocity variations at the rotation period of AD Leonis: A test case study of current limitations to treating stellar activity
https://www.aanda.org/articles/aa/full_html/2022/10/aa43773-22/aa43773-22.html

Hubble WFC3 Spectroscopy of the Rocky Planet L 98–59 b: No Evidence for a Cloud-free Primordial Atmosphere
https://iopscience.iop.org/article/10.3847/1538-3881/ac8fe9

Revisiting the Iconic Spitzer Phase Curve of 55 Cancri e: Hotter Dayside, Cooler Nightside, and Smaller Phase Offset
https://iopscience.iop.org/article/10.3847/1538-3881/ac8f22

Stability analysis of planetary systems via second-order Rényi entropy
https://arxiv.org/abs/2210.09417

Planetary system around LTT 1445A unveiled by ESPRESSO: Multiple planets in a triple M-dwarf system
https://arxiv.org/abs/2210.09713

A Radiative-Convective Model for Terrestrial Planets with Self-Consistent Patchy Clouds
https://arxiv.org/abs/2210.10004

A transmission spectrum of the sub-Earth planet L98-59~b in 1.1-1.7 μm
https://arxiv.org/abs/2210.10008

October 18, 2022 Updates

Fast Transit Interplanetary Exploration with Extreme Solar Sail Missions
https://arc.aiaa.org/doi/10.2514/6.2022-4339

Constraints on Evolutionary Timescales for M Dwarf Planets from Dynamical Stability Arguments
https://arxiv.org/abs/2210.08018

A sub-Neptune transiting the young field star HD 18599 at 40 pc
https://arxiv.org/abs/2210.08179

Occurrence rate of hot Jupiters around early-type M dwarfs based on TESS data
https://arxiv.org/abs/2210.08313

Atmospheric heat redistribution effect on Emission spectra of Hot-Jupiters
https://arxiv.org/abs/2210.08755

Characterization of the HD 108236 system with CHEOPS and TESS. Confirmation of a fifth transiting planet
https://arxiv.org/abs/2210.08912

TOI-969: a late-K dwarf with a hot mini-Neptune in the desert and an eccentric cold Jupiter
https://arxiv.org/abs/2210.08996

Estimating the depth of gaps opened by planets in eccentric orbit
https://arxiv.org/abs/2210.09008

TOI-1136 is a Young, Coplanar, Aligned Planetary System in a Pristine Resonant Chain
https://arxiv.org/abs/2210.09283

October 17, 2022 updates

The Alien in Your Backyard: Using Exoplanetary Science to Explore the Ecosystems of Earth
https://teachers.yale.edu/curriculum/viewer/initiative_22.04.02_u

Mission Concept for the Exploration of Interstellar Bodies
https://arc.aiaa.org/doi/10.2514/6.2022-4340

Interstellar Probe: 15 Years to The Interstellar Medium with An Enhanced NASA Space Launch System Launcher
https://arc.aiaa.org/doi/10.2514/6.2022-4371

Residual neural networks for the prediction of planetary collision outcomes
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac2933/6761407

Release of TESS Objects of Interest from TESS-SPOC Sectors 48 to 50 Full Frame Images
https://iopscience.iop.org/article/10.3847/2515-5172/ac983a

Development of the HeliosX mission analysis code for advanced ICF space propulsion
https://www.sciencedirect.com/science/article/pii/S0094576522005598

The McDonald Accelerating Stars Survey (MASS): Architecture of the Ancient Five-Planet Host System Kepler-444
https://arxiv.org/abs/2210.07252

TOI-179: a young system with a transiting compact Neptune-mass planet and a low-mass companion in outer orbit
https://arxiv.org/abs/2210.07933