It’s about 30 times larger than Jupiter.
Astronomers' understanding of objects close to the contentious planet/star border, including massive exoplanets, may be improved by studying T dwarfs. Although there have been several discoveries of brown dwarfs to date, there have only been 400 discoveries of T dwarfs to date.
"We present the serendipitous discovery of a late T-type brown dwarf candidate in JWST NIRCam observations of the Early Release Science Abell 2744 parallel field. The discovery was enabled by the sensitivity of JWST at 4 µm wavelengths and the panchromatic 0.9–4.5 µm coverage of the spectral energy distribution," the researchers wrote in the paper.The study estimates that GLASS-JWST-BD1 has an effective temperature of roughly 600 K and a mass of about 31.43 Jupiter masses.
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