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.

December 15, 2022 updates

Alien technology, conjunction and ergodicity
https://www.cambridge.org/core/journals/international-journal-of-astrobiology/article/alien-technology-conjunction-and-ergodicity/E9500F60A57E44945E4A26B857B6A468

Analysis of Eclipsing Binary Stars and Identification of Exoplanets Using Transit Timing Variation Using data from TESS
https://iopscience.iop.org/article/10.1088/1742-6596/2381/1/012106

The Direct Mid-Infrared Detectability of Habitable-zone Exoplanets Around Nearby Stars
https://arxiv.org/abs/2212.06993

Two temperate Earth-mass planets orbiting the nearby star GJ1002
https://arxiv.org/abs/2212.07332

December 14, 2022 updates

Measured spin–orbit alignment of ultra-short-period super-Earth 55 Cancri e
https://www.nature.com/articles/s41550-022-01837-2

Antimatter and Its Application-Collecting Antimatter and Storage It as Energy Source
https://iopscience.iop.org/article/10.1088/1742-6596/2386/1/012074

The Institutions of Extraterrestrial Liberty
https://global.oup.com/academic/product/the-institutions-of-extraterrestrial-liberty-9780192897985

Terminator Habitability: the Case for Limited Water Availability on M-dwarf Planets
https://arxiv.org/abs/2212.06185

Impact of MgII interstellar medium absorption on near-ultraviolet exoplanet transit measurements
https://arxiv.org/abs/2212.06192

NEID Reveals that The Young Warm Neptune TOI-2076 b Has a Low Obliquity
https://arxiv.org/abs/2212.06266

Selected Trends in Artificial Intelligence for Space Applications
https://arxiv.org/abs/2212.06662

Life in a random universe: Sciama’s argument reconsidered
https://arxiv.org/abs/2109.10241

December 13, 2022 updates

Revisiting the Blue Marble: ICON simulating the coupled climate system at 1 km
https://mpimet.mpg.de/en/communication/news/single-news/page?tx_news_pi1%5Bnews%5D=1648&cHash=f051b796251535976ab2ea96d7fb3be9

TESS search for substellar companions through pulsation timing of δ Scuti stars – I. Discovery of companions around Chang 134 and V393 Car
https://www.aanda.org/articles/aa/full_html/2022/12/aa44592-22/aa44592-22.html

Characterization of the HD 108236 system with CHEOPS and TESS Confirmation of a fifth transiting planet
https://www.aanda.org/articles/aa/full_html/2022/12/aa43720-22/aa43720-22.html

Transmission strings: a technique for spatially mapping exoplanet atmospheres around their terminators
https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stac3632/6889522

Repeated Cyclogenesis on Hot-Exoplanet Atmospheres with Deep Heating
https://arxiv.org/abs/2212.05114

A Green Bank Telescope search for narrowband technosignatures between 1.1-1.9 GHz during 12 Kepler planetary transits
https://arxiv.org/abs/2212.05137

December 12, 2022 updates

Analysis of Proposed Active Radiation Shielding Design Concept for Spacecraft
https://repository.lib.fit.edu/handle/11141/3598

Conditions for Convergent Migration of N-Planet Systems
https://link.springer.com/article/10.1007/s10569-022-10113-4

CHEOPS finds KELT-1b darker than expected in visible light – Discrepancy between the CHEOPS and TESS eclipse depths
https://www.aanda.org/articles/aa/full_html/2022/12/aa44117-22/aa44117-22.html

Transit Duration and Timing Variations from Binary Planets
https://academic.oup.com/mnras/advance-article-abstract/doi/10.1093/mnras/stac3604/6886562

The Dust Cycle on Mars at Different Orbital Distances from the Sun: An Investigation of the Impact of Radiatively Active Dust on Land Planet Climate
https://iopscience.iop.org/article/10.3847/1538-4357/ac9481

How Thin and Efficient Can a Metasurface Reflector Be? Universal Bounds on Reflection for Any Direction and Polarization
https://onlinelibrary.wiley.com/doi/10.1002/adom.202201782

Surface Biosignature Detection From Exoplanet Proxima Centauri b
https://www.researchgate.net/publication/366157647_Surface_Biosignature_Detection_From_Exoplanet_Proxima_Centauri_b

Orbits of the TOI-1338 and TIC-172900988 systems
https://arxiv.org/abs/2212.05016

GCM Constraints on the Detectability of the CO2-CH4 Biosignature Pair on TRAPPIST-1e with JWST
https://arxiv.org/abs/2212.05052

A superconducting nanowire photon number resolving four-quadrant detector-based Gigabit deep-space laser communication receiver prototype
https://arxiv.org/abs/2212.04927

December 09, 2022 Updates

The ‘Oumuamua Controversy: Bayesian Priors and the Evolution of Technological Intelligence
https://www.liebertpub.com/doi/full/10.1089/ast.2021.0185

‘Oumuamua Is Not a Probe Sent to Our Solar System by an Alien Civilization
https://www.liebertpub.com/action/doSearch?AllField=interstellar&startPage=0&sortBy=Earliest

Directed Panspermia Using Interstellar Comets
https://www.liebertpub.com/doi/full/10.1089/ast.2021.0188

On the Possibility of an Artificial Origin for ‘Oumuamua
https://www.liebertpub.com/doi/full/10.1089/ast.2021.0193

Some Pertinent Issues for Interstellar Panspermia Raised after the Discovery of 1I/‘Oumuamua
https://www.liebertpub.com/doi/full/10.1089/ast.2021.0199

Picogram-Scale Interstellar Probes via Bioinspired Engineering
https://www.liebertpub.com/doi/10.1089/ast.2022.0008

A Short History of Panspermia from Antiquity Through the Mid-1970s
https://www.liebertpub.com/doi/full/10.1089/ast.2022.0032

Astrobiological Implications of Interstellar Material in the Solar System
https://www.liebertpub.com/doi/full/10.1089/ast.2022.0088

On the Application of Bayesian Leave-One-Out Cross-Validation to Exoplanet Atmospheric Analysis
https://arxiv.org/abs/2212.03872

The Nominal Range of Rocky Planet Masses, Radii, Surface Gravities and Bulk Densities
https://arxiv.org/abs/2212.03934

Measured Spin-Orbit Alignment of Ultra-Short Period Super-Earth 55 Cancri e
https://arxiv.org/abs/2212.03953

Discovery of TOI-1260d and the characterisation of the multi-planet system
https://arxiv.org/abs/2212.04307