Using the Low-Frequency Array (LOFAR) radio telescope, an international team of astronomers has discovered a new radio source that turns out to be a cold brown dwarf. The object, designated BDR 1750+3809, is so far the first radio-selected brown dwarf, which proves that such sources can be also directly identified by sensitive wide-area radio surveys. The finding is reported in a paper published October 5 on arXiv.org.
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Source: Phys.org