Measuring the abundances of carbon and oxygen in exoplanet atmospheres is considered a crucial avenue for unlocking the formation and evolution of exoplanetary systems.
astronomy
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release
Early Release Science Of The Exoplanet WASP-39b With JWST NIRISS
Transmission spectroscopy provides insight into the atmospheric properties and consequently the formation history, physics, and chemistry of transiting exoplanets. However, obtaining precise inferences of atmospheric properties from transmission spectra requires […]
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release
Direct Evidence of Photochemistry In An Exoplanet Atmosphere
Photochemistry is a fundamental process of planetary atmospheres that is integral to habitability, atmospheric composition and stability, and aerosol formation. However, no unambiguous photochemical products have been detected in exoplanet […]
Posted inAstrochemistry, Astronomy & Telescopes, Imaging & Spectroscopy, Interstellar, Press Release
Rotational Spectra of Interstellar N- and CN-PAHs: Pyrene and Coronene
The detection of benzonitrile (C6H5CN), 1- and 2-cyano-naphthalene (C10H7CN) in the cold, dark molecular cloud TMC-1 at centimetre (cm) wavelengths has opened up prospects for the detection of other N- […]
Posted inAstrochemistry, Astronomy & Telescopes, Imaging & Spectroscopy, Press Release
Stellar Cocoon with Organic Molecules at the Edge of our Galaxy
For the first time, astronomers have detected a newborn star and the surrounding cocoon of complex organic molecules at the edge of our Galaxy, which is known as the extreme […]
Posted inAstronomy & Telescopes, Imaging & Spectroscopy, Press Release, SETI & Technosignatures
Panoramic SETI: Program Update and High-Energy Astrophysics Applications
Optical SETI (Search for Extraterrestrial Intelligence) instruments that can explore the very fast time domain, especially with large sky coverage, offer an opportunity for new discoveries that can complement multimessenger […]
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release
Atmospheric Retrievals For LIFE And Other Future Space Missions: The Importance Of Mitigating Systematic Effects
Atmospheric retrieval studies are essential to determine the science requirements for future generation missions, such as the Large Interferometer for Exoplanets (LIFE).
Posted inAstrochemistry, Press Release
Discovery Of Interstellar 2-Cyanoindene (2-C9H7CN) In GOTHAM Observations of TMC-1
We present laboratory rotational spectroscopy of five isomers of cyanoindene (2-, 4-, 5-, 6-, and 7-cyanoindene) using a cavity Fourier-transform microwave spectrometer operating between 6-40 GHz.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release
Segment-level Thermal Sensitivity Analysis For Exo-Earth Imaging
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 […]
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 […]