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.

February 14, 2023 updates

Extraterrestrial Artificial Intelligence: The Final Existential Risk?
https://www.iza.org/publications/dp/15924/extraterrestrial-artificial-intelligence-the-final-existential-risk

From Protosolar Space to Space Exploration: The Role of Graphene in Space Technology and Economy
https://www.mdpi.com/2079-4991/13/4/680

Interstellar Objects From Broken Dyson Spheres
https://lweb.cfa.harvard.edu/~loeb/Dyson_arXiv.pdf

Resonant Interaction of Energetic Electrons with Radio Emission in the Magnetospheres of Exoplanets
https://link.springer.com/article/10.1007/s11141-023-10208-4

Nine Nearby K-Giants with Planets: A Detailed Analysis of their Chemical Composition
https://link.springer.com/article/10.1007/s10511-023-09755-5

The CARMENES search for exoplanets around M dwarfs – Wolf 1069 b: Earth-mass planet in the habitable zone of a nearby, very low-mass star
https://www.aanda.org/articles/aa/full_html/2023/02/aa45322-22/aa45322-22.html

Peering into the young planetary system AB Pic – Atmosphere, orbit, obliquity, and second planetary candidate
https://www.aanda.org/articles/aa/full_html/2023/02/aa44294-22/aa44294-22.html

Framework for the architecture of exoplanetary systems – I. Four classes of planetary system architecture
https://www.aanda.org/articles/aa/full_html/2023/02/aa43751-22/aa43751-22.html

Framework for the architecture of exoplanetary systems – II. Nature versus nurture: Emergent formation pathways of architecture classes
https://www.aanda.org/articles/aa/full_html/2023/02/aa44705-22/aa44705-22.html

A philosophical perspective about the origin, evolution and distribution of life in the Universe
https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/abs/philosophical-perspective-about-the-origin-evolution-and-distribution-of-life-in-the-universe/AD51302B68646B4ECC5FDE5BB01CCB5A

Identifying Habitable-zone Planet Systems Susceptible to Nearby Supernovae
https://iopscience.iop.org/article/10.3847/2515-5172/acbaf9

Emergent Spectral Fluxes of Hot Jupiters: An Abrupt Rise in Dayside Brightness Temperature Under Strong Irradiation
https://iopscience.iop.org/article/10.3847/1538-3881/acb210

Systematic KMTNet Planetary Anomaly Search. VII. Complete Sample of q < 10−4 Planets from the First 4 yr Survey
https://iopscience.iop.org/article/10.3847/1538-3881/acb34b

Multiepoch Detections of the Extended Atmosphere and Transmission Spectra of KELT-9b with a 1.5 m Telescope
https://iopscience.iop.org/article/10.3847/1538-3881/acacf3

ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
https://iopscience.iop.org/article/10.3847/1538-4365/ac9da4

Reaction between Hydrogen and Ferrous/Ferric Oxides at High Pressures and High Temperatures—Implications for Sub-Neptunes and Super-Earths
https://iopscience.iop.org/article/10.3847/PSJ/acab03

TOI-2525 b and c: A pair of massive warm giant planets with a strong transit timing variations revealed by TESS
https://arxiv.org/abs/2302.05694

About the loss of a primordial atmosphere of super-Earths by planetesimal impacts
https://arxiv.org/abs/2302.05921

AF Lep b: the lowest mass planet detected coupling astrometric and direct imaging data
https://arxiv.org/abs/2302.06213

Direct imaging discovery of a super-Jovian around the young Sun-like star AF Leporis
https://arxiv.org/abs/2302.06332

The Search for Extraterrestrial Civilizations: A Scientific, Technical, Political, Social, and Cultural Adventure
https://arxiv.org/abs/2302.06446

TOI-1695 b: A Water World Orbiting an Early M Dwarf in the Planet Radius Valley
https://arxiv.org/abs/2211.06445

February 13, 2023 Updates

Peering into the young planetary system AB Pic
https://www.aanda.org/articles/aa/full_html/2023/02/aa44294-22/aa44294-22.html

Analyzing the engineering feasibility of the direct fusion drive
https://www.sciencedirect.com/science/article/pii/S0094576523000632

EXPLANATION: Exoplanet and Transient Events Investigation Project
https://link.springer.com/article/10.1134/S1990341322040186

FluxCT: A Web Tool for Identifying Contaminating Flux in Kepler and TESS Target Pixel Files
https://iopscience.iop.org/article/10.3847/2515-5172/acb936

Searching for Gravitational-Wave Counterparts using the Transiting Exoplanet Survey Satellite
https://arxiv.org/abs/2302.04881

Chaotic winds from a dying planet: a one-dimensional map for evolving atmospheres
https://arxiv.org/abs/2302.04898

Validating AU Microscopii d with Transit Timing Variations
https://arxiv.org/abs/2302.04922

Presence of liquid water during the evolution of exomoons orbiting ejected free-floating planets
https://arxiv.org/abs/2302.04946

Detecting Solar System Analogs through Joint Radial Velocity/Astrometric Surveys
https://arxiv.org/abs/2302.05064

Microlensing due to free-floating moon-planet systems
https://arxiv.org/abs/2302.05230

Astrometric Accelerations as Dynamical Beacons: A Giant Planet Imaged Inside the Debris Disk of the Young Star AF Lep
https://arxiv.org/abs/2302.05420

February 10, 2023 updates

KA Observatory (SKAO): A guide to the soon-to-be largest radio telescopes in the world
https://www.space.com/square-kilometre-array-observatory-skao

Synergies Between Venus & Exoplanetary Observations
https://link.springer.com/article/10.1007/s11214-023-00953-3

Impact of Correlated Noise on the Mass Precision of Earth-analog Planets in Radial Velocity Surveys
https://iopscience.iop.org/article/10.3847/1538-3881/acad08

A Reanalysis of the Composition of K2-106b: An Ultra-short-period Super-Mercury Candidate
https://iopscience.iop.org/article/10.3847/1538-3881/acb04b

Identifying Exoplanets with Deep Learning. V. Improved Light-curve Classification for TESS Full-frame Image Observations
https://iopscience.iop.org/article/10.3847/1538-3881/acad85

TESS Discovery of Twin Planets near 2:1 Resonance around Early M Dwarf TOI 4342
https://iopscience.iop.org/article/10.3847/1538-3881/acaf88

The Runaway Greenhouse on Sub-Neptune Waterworlds
https://iopscience.iop.org/article/10.3847/1538-4357/acafdf

Correcting Exoplanet Transmission Spectra for Stellar Activity with an Optimised Retrieval Framework
https://arxiv.org/abs/2302.04574

Pathways of Survival of Exomoons and Inner Exoplanets
https://arxiv.org/abs/2302.04646

The hot Neptune WASP-166 b with ESPRESSO III: A blue-shifted tentative water signal constrains the presence of clouds
https://arxiv.org/abs/2302.04794

February 09, 2023 updates

A full transit of ν2 Lupi d and the search for an exomoon in its Hill sphere with CHEOPS
https://arxiv.org/abs/2302.01853

Civilization Scale According To The Speed Of Light
https://www.researchgate.net/profile/Remzi-Yildirim/publication/367117268_2-Final-Mod-B12011224/links/63c19cefd9fb5967c2d34066/2-Final-Mod-B12011224.pdf

Nonthermal Atmospheric Losses for the Exoplanet GJ 3470b
https://link.springer.com/article/10.1134/S1063772922110051

Large Interferometer For Exoplanets (LIFE) – VII. Practical
implementation of a five-telescope kernel-nulling beam combiner with a discussion on instrumental uncertainties and redundancy benefits https://www.aanda.org/articles/aa/full_html/2023/02/aa43863-22/aa43863-22.html

Electrical resistivity of liquid Fe-8wt%S-4.5wt%Si at high pressures with implications for heat flux through the cores of Io and sub-earth exoplanets
https://www.sciencedirect.com/science/article/abs/pii/S0019103523000490

EDEN Survey: Small Transiting Planet Detection Limits and Constraints on the Occurrence Rates for Late M Dwarfs within 15 pc
https://arxiv.org/abs/2302.04138

The Occurrence Rate of Terrestrial Planets Orbiting Nearby Mid-to-late M Dwarfs from TESS Sectors 1-42
https://arxiv.org/abs/2302.04242

February 09, 2023 updates

A full transit of ν2 Lupi d and the search for an exomoon in its Hill sphere with CHEOPS
https://arxiv.org/abs/2302.01853

Civilization Scale According To The Speed Of Light
https://www.researchgate.net/profile/Remzi-Yildirim/publication/367117268_2-Final-Mod-B12011224/links/63c19cefd9fb5967c2d34066/2-Final-Mod-B12011224.pdf

Nonthermal Atmospheric Losses for the Exoplanet GJ 3470b
https://link.springer.com/article/10.1134/S1063772922110051

Large Interferometer For Exoplanets (LIFE) – VII. Practical implementation of a five-telescope kernel-nulling beam combiner with a discussion on instrumental uncertainties and redundancy benefits https://www.aanda.org/articles/aa/full_html/2023/02/aa43863-22/aa43863-22.html

Electrical resistivity of liquid Fe-8wt%S-4.5wt%Si at high pressures with implications for heat flux through the cores of Io and sub-earth exoplanets
https://www.sciencedirect.com/science/article/abs/pii/S0019103523000490

EDEN Survey: Small Transiting Planet Detection Limits and Constraints on the Occurrence Rates for Late M Dwarfs within 15 pc
https://arxiv.org/abs/2302.04138

The Occurrence Rate of Terrestrial Planets Orbiting Nearby Mid-to-late M Dwarfs from TESS Sectors 1-42
https://arxiv.org/abs/2302.04242