The SETI Ellipsoid is a strategy for technosignature candidate selection which assumes that extraterrestrial civilizations who have observed a galactic-scale event — such as supernova 1987A — may use it […]
astro-ph.IM
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
U.S. Adaptive Optics Roadmap to Achieve Astro2020
In the recent Astro2020 Decadal Report, ”Pathways to Discovery in Astronomy and Astrophysics for the 2020s” Adaptive Optics (AO) was identified as a crucial technology for a variety of reasons. […]
Posted inAI - Data - Apps - Cybernetics, Astronomy & Telescopes, Citizen Science / Open Science, Status Report, Stellar Cartography
Moving Toward Stellar Cartography: AstroInformatics Recommendations for Global Cooperation
Policy Brief on “AstroInformatics, Recommendations for Global Collaboration”, distilled from panel discussions during S20 Policy Webinar on Astroinformatics for Sustainable Development held on 6-7 July 2023.
Posted inAstrochemistry, Astrogeology, Astronomy & Telescopes, Exoplanets, -moons, -comets, Icy Worlds, Imaging & Spectroscopy, Status Report
chemcomp: Modeling The Chemical Composition Of Planets Formed In Protoplanetary Disks
Future observations of exoplanets will hopefully reveal detailed constraints on planetary compositions. Recently, we have developed and introduced chemcomp (Schneider & Bitsch 2021a), which simulates the formation of planets in […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report
ESPRESSO on VLT: An Instrument For Exoplanet Research
ESPRESSO (Echelle SPectrograph for Rocky Exoplanets and Stable Spectroscopic Observations) is a VLT ultra-stable high resolution spectrograph installed at ESO’s Paranal Observatory in Chile at the end of 2017 and […]
Posted inAI - Data - Apps - Cybernetics, Astronomy & Telescopes, Imaging & Spectroscopy, SETI & Technosignatures, Status Report
Deciding Technosignature Search Strategies: Multi-criteria Fuzzy Logic To Find Extraterrestrial Intelligence
This study presents the implementation of Multi-Criteria Decision-Making (MCDM) methodologies, particularly the fuzzy Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS), in prioritizing technosignatures (TSs) for the […]
Posted inAstrochemistry, Astrogeology, Astronomy & Telescopes, Interstellar, Status Report
Water Transport Through Mesoporous Amorphous-carbon Dust
The diffusion of water molecules through mesoporous dust of amorphous carbon (a-C) is a key process in the evolution of prestellar, protostellar, and protoplanetary dust, as well as in that […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
Improving The Visibility And Citability Of Exoplanet Research Software
The Astrophysics Source Code Library (ASCL) is a free online registry for source codes of interest to astronomers, astrophysicists, and planetary scientists.
Posted inAI - Data - Apps - Cybernetics, Cubesats and smallsats, Missions & Hardware, Nanotechnology & SynBio, Proxima Centauri, Status Report
Swarming Proxima Centauri: Optical Communication Over Interstellar Distances
Interstellar communications are achievable with gram-scale spacecraft using swarm techniques introduced herein if an adequate energy source, clocks and a suitable communications protocol exist.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report
Challenges And Limitations Of Future Exoplanet Space Imagers
The James Webb Space Telescope was not even launched yet when the Astro2020 Decadal Survey American report recommended the development of what is now called the Habitable World Observatory, also […]