We present a segment-level wavefront stability error budget for space telescopes essential for exoplanet detection. We use a detailed finite element model to relate the temperature gradient at the location […]
astronomy
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release
Global Dynamics And Architecture Of The Kepler-444 System
Segment-level wavefront tolerance maps required to maintain a mean dark hole contrast of 10−11 for the narrow-angle APLC at a wavelength of 500 nm. Each segment shows the limit of […]
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Press Release
Photobombing Earth 2.0: Diffraction Limit Related Contamination and Uncertainty in Habitable Planet Spectra
Observing habitable exoplanets that may resemble Earth is a key priority in astronomy that is dependent on not only detecting such worlds, but also ascertaining that apparent signatures of habitability […]
Posted inAstrochemistry, Astronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release
Carbon Dioxide Observed In Exoplanet WASP-39 b’s Atmosphere By James Webb Space Telescope
A team of planetary scientists, including Arizona State University Associate Professor Michael Line, have detected carbon dioxide in the atmosphere of a gas giant exoplanet with the James Webb Space […]
Posted inAstrochemistry, Biosignatures & Paleobiology, Icy Worlds, Interstellar, Press Release
LIDA – The Leiden Ice Database For Astrochemistry
High quality vibrational spectra of solid-phase molecules in ice mixtures and for temperatures of astrophysical relevance are needed to interpret infrared observations toward protostars and background stars. Over the last […]
Posted inAstrochemistry, Astronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Press Release
Webb Space Telescope Identification Of Carbon Dioxide In An Exoplanet Atmosphere
Carbon dioxide (CO2) is a key chemical species that is found in a wide range of planetary atmospheres. In the context of exoplanets, CO2 is an indicator of the metal […]
Posted inAstrochemistry, Astronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release, Tricorders & Sensors
The UV-SCOPE Mission: Ultraviolet Spectroscopic Characterization Of Planets and their Environments
UV-SCOPE is a mission concept to determine the causes of atmospheric mass loss in exoplanets, investigate the mechanisms driving aerosol formation in hot Jupiters, and study the influence of the […]
Posted inAstrochemistry, Astronomy & Telescopes, Press Release
Contribution of Polycyclic Aromatic Hydrocarbon Ionization To Neutral Gas Heating In Galaxies
The ionization of polycyclic aromatic hydrocarbons (PAHs), by ultraviolet (UV) photons from massive stars is expected to account for a large fraction of the heating of neutral gas in galaxies. […]
Posted inAstronomy & Telescopes
MIRECLE: Science Yield for a Mid-IR Explorer-Class Mission To Study Non-Transiting Rocky Planets Orbiting The Nearest M-Stars Using Planetary Infrared Excess
Recent investigations have demonstrated the potential for utilizing a new observational and data analysis technique for studying the atmospheres of non-transiting exoplanets with combined light that relies on acquiring simultaneous, […]
Posted inAstronomy & Telescopes
Characterization Of JWST Science Performance From Commissioning
This document characterizes the actual science performance of the James Webb Space Telescope (JWST), as known on 12 July 2022. Following six months of commissioning to prepare JWST for science […]