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Miri Instrument

All articles tagged with #miri instrument

"JWST Discovers Rare Quadruple Exoplanet System"
astronomy2 years ago

"JWST Discovers Rare Quadruple Exoplanet System"

The James Webb Space Telescope (JWST) has observed the HR 8799 system, located 133 light-years away, and detected four exoplanets using its MIRI instrument. The system is young and contains massive planets on wide orbits, making it a rare find. The observations have provided valuable insights into the planetary atmospheres, confirming that they are not brown dwarfs. The JWST also examined the system's debris disk and determined that a previously debated object is a background object. These findings demonstrate the capabilities of the JWST's MIRI instrument in characterizing young exoplanetary systems and lay the groundwork for future observations.

Exploring Exoplanets: From Gaia Enceladus to Habitable Zones
astronomy2 years ago

Exploring Exoplanets: From Gaia Enceladus to Habitable Zones

The James Webb Space Telescope (JWST) has observed the HR 8799 solar system, located 133 light-years away, and detected four exoplanets using its MIRI instrument. The system is young and unique, with the four massive planets on wide orbits. The JWST's observations confirm that these planets are not brown dwarfs and provide insights into their temperatures and atmospheric compositions. The study also clarifies the nature of a background object in the system and highlights the challenges and potential of using the JWST's MIRI instrument for future observations of young exoplanetary systems.