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UPM J1040−3551 AabBab
August 30 , 2025
16 hrs 0 min
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- Scientists discovered a rare quadruple star system called UPM J1040−3551 AabBab.
- The system has two cold brown dwarfs orbiting two young red dwarf stars, a unique configuration.
- Brown dwarfs are “failed stars” that form like stars but lack the mass to fuse hydrogen and shine brightly.
- They are hard to detect because they are cold and faint, so they are often found near brighter companion stars.
- This discovery is significant as it is the first quadruple system with two T-type brown dwarfs orbiting a pair of stars.
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