Exoplanets are celestial bodies orbiting stars beyond our Solar System. Although historically they posed detection challenges, Kepler’s data has revolutionized our understanding.
astro-ph.IM
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Status Report
A Fast Neural Emulator For Interstellar Chemistry
Astrochemical models are important tools to interpret observations of molecular and atomic species in different environments. However, these models are time-consuming, precluding a thorough exploration of the parameter space, leading […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report, Stellar Cartography
CHEOPS in-flight Performance: A Comprehensive Look At The First 3.5 Years Of Operations
CHEOPS is a space telescope specifically designed to monitor transiting exoplanets orbiting bright stars. In September 2023, CHEOPS completed its nominal mission and remains in excellent operational conditions. The mission […]
Posted inEuropa, Ganymede, Icy Worlds, Jupiter, Mapping, Geodesy, Cartography, Bathymetry, Missions & Hardware, Status Report, Water/Hycean Worlds & Oceanography
Calibration of MAJIS (Moons And Jupiter Imaging Spectrometer): III. Spectral Calibration
The Moons And Jupiter Imaging Spectrometer (MAJIS) is the visible and near-infrared imaging spectrometer onboard ESA’s Jupiter Icy Moons Explorer (JUICE) mission.
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Missions & Hardware, Status Report
The Scientific Impact of a Noiseless Energy-Resolving Detector for a Future Exoplanet-Imaging Mission
Future space missions that aim to detect and characterize Earth-like exoplanets will require an instrument that efficiently measures spectra of these planets, placing strict requirements on detector performance. The upcoming […]
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Imaging & Spectroscopy, SETI & Technosignatures, Status Report
Detectability of Solar Panels as a Technosignature
In this work, we assess the potential detectability of solar panels made of silicon on an Earth-like exoplanet as a potential technosignature. Silicon-based photovoltaic cells have high reflectance in the […]
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Brown Dwarfs, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Status Report
Prioritizing High-Precision Photometric Monitoring of Exoplanet and Brown Dwarf Companions with JWST — Strategic Exoplanet Initiatives with HST and JWST White Paper
We advocate for the prioritization of high-precision photometric monitoring of exoplanet and brown dwarf companions to detect brightness variability arising from features in their atmospheres. Measurements of photometric variability provide […]
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report
Current Laboratory Performance Of Starlight Suppression Systems, And Potential Pathways To Desired Habitable Worlds Observatory Exoplanet Science Capabilities
We summarize the current best polychromatic (10 to 20 % bandwidth) contrast performance demonstrated in the laboratory by different starlight suppression approaches and systems designed to directly characterize exoplanets around […]
Posted inAI - Data - Apps - Cybernetics, Astrobiology (general), Astronomy & Telescopes, Status Report
Can AI Understand Our Universe? Test of Fine-Tuning GPT by Astrophysical Data
ChatGPT has been the most talked-about concept in recent months, captivating both professionals and the general public alike, and has sparked discussions about the changes that artificial intelligence (AI) will […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Reports, Roadmaps, & Plans, Status Report
Report of the Working Group on Strategic Exoplanet Initiatives with HST and JWST
This STScI Working Group (WG) was charged with soliciting community feedback and evaluating the strategic planning for exoplanet science with JWST and HST given the high quality of exoplanet observations, […]