Exoplanetary science is a very active field of astronomy nowadays, with questions still opened such as how planetary systems form and evolve (occurrence, process), why such a diversity of exoplanets […]
telescope
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report
Detecting Solar System Analogs Through Joint Radial Velocity/Astrometric Surveys
Earth-mass exoplanets on year-long orbits and cool gas giants (CGG) on decade-long orbits lie at the edge of current detection limits.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report
The Occurrence Rate of Terrestrial Planets Orbiting Nearby Mid-to-late M Dwarfs from TESS Sectors 1-42
We present an analysis of a volume-complete sample of 363 mid-to-late M dwarfs within 15 pc of the Sun with masses between 0.1 and 0.3 M⊙ observed by TESS within […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report, TRAPPIST-1
EDEN Survey: Small Transiting Planet Detection Limits and Constraints on the Occurrence Rates for Late M Dwarfs within 15 pc
Earth-sized exoplanets that transit nearby, late spectral type red dwarfs will be prime targets for atmospheric characterization in the coming decade.
Posted inAstrochemistry, Biochemistry & Organic Chemistry, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Imaging & Spectroscopy, Press Release, TRAPPIST-1
Exploring Nitrous Oxide As An Indication Of Life
Researchers supported by NASA have used a model to predict the concentration of nitrous oxide (N2O) in the atmosphere of planets over a range of conditions. On Earth, N2O can […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Press Release
Watch Exoplanets Dance Around Their Home Star
In 2008, HR8799 was the first extrasolar planetary system ever directly imaged. Now, the famed system stars in its very own video.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
A Possible Converter to Denoise the Images of Exoplanet Candidates through Machine Learning Techniques
The method of direct imaging has detected many exoplanets and made important contribution to the field of planet formation.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
Tidal Distortions As A Bottleneck On Constraining Exoplanet Compositions
Improvements in the number of confirmed planets and the precision of observations imply a need to better understand subtle effects that may bias interpretations of exoplanet observations.
Posted inAstronomy & Telescopes, Beta Pictoris, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
Has The Dust Clump In The Debris Disk of Beta Pictoris Moved?
The edge-on debris disk of the nearby young star Beta Pictoris shows an unusual brightness asymmetry in the form of a clump.
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
Characterization Of A Set Of Small Planets With TESS And CHEOPS And An Analysis Of Photometric Performance
The radius valley carries implications for how the atmospheres of small planets form and evolve, but this feature is only visible with highly-precise characterizations of many small planets.