NASA's James Webb Telescope Confirms The Discovery Of The Coldest Exoplanet Around Dead Stars
JAKARTA Five years ago, astronomers managed to find WD 1856+534 b, an exoplanet orbiting a star with a distance of 81 light years from Earth. The presence of the planet was finally confirmed.
Astronomers from various institutes and institutions have released a recent paper. The international group confirmed the presence of WD 1856+534 b and called it the coldest planet they have ever observed outside the solar system.
These observations use NASA's Infrared Medium Instrument (MIRI) on the James Webb Space Telescope (JWST). The researchers managed to limit the planet's mass and measure its atmospheric temperature.
The analytical results show that the average temperature of WD 1856+534 b reaches 186 kelvin or the equivalent of minus 87 degrees Celsius. That way, the planet falls into the category of the coldest exoplanet detected by the James Webb instrument.
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WD is considered an interesting planet because the star it orbits has died. The exoplanet only surrounds the remnants of its star for now. It is not yet known whether this planet is able to survive in the final stages of its stellar evolution.
By observing WD, astronomers can understand the planetary system after its star dies. This is important to study so that humans can understand how planets can interact and survive when their parent star dies.
Therefore, this group of astronomers will again secure WD 1856+534 b, still using the James Webb Space Telescope. The plan, this research will resume in the near future