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Astronomers reportedly find a star drawing gas from a brown dwarf in an 87-minute orbit

A post describes ZTF J0440+2325, where a small star gradually accretes material from a brown dwarf, creating a hot spot.

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1 Source, 1h ago, first seen 1h ago

TLDR

A post says ZTF J0440+2325 is about 300 light-years away and that its star and brown dwarf orbit each other every 87 minutes. It describes a triangular brightness pattern that puzzled researchers and a hot spot where gas from the brown dwarf hits the star. Researchers estimate the transfer could last millions of years, possibly billions; that duration is a prediction, not an observed timespan.

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SSC@ssc_globa1A star is slowly eating its neighbor — and the cosmic meal could last billions of years. 🌌 Astronomers have discovered an unusual system about 300 light-years from Earth where a small star is steadily pulling material from a brown dwarf. The system is called ZTF J0440+2325. A brown dwarf is bigger than a planet but too small to sustain the hydrogen fusion that powers an ordinary star. Here’s the wild part: The two objects orbit each other every 87 minutes. As the brown dwarf loses material, a stream of gas falls directly onto the star, creating a hot, bright spot on its surface. Scientists spotted the system after noticing a strange triangular pattern in its brightness — a signal that puzzled researchers for years. The observations revealed something never directly seen before: a low-mass star steadily collecting material from another low-mass object. And unlike a dramatic cosmic collision, this process appears remarkably gradual. The researchers estimate that the transfer could continue for millions of years — potentially even billions. That timeline is a prediction, not a countdown scientists have observed firsthand. Still, the discovery challenges the idea that a star’s close encounter with a companion must end in sudden destruction. In space, even cosmic cannibalism can be a slow burn. #Space #Astronomy #Science #Universe #Astrophysics1h
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    SSC@ssc_globa1A star is slowly eating its neighbor — and the cosmic meal could last billions of years. 🌌 Astronomers have discovered an unusual system about 300 light-years from Earth where a small star is steadily pulling material from a brown dwarf. The system is called ZTF J0440+2325. A brown dwarf is bigger than a planet but too small to sustain the hydrogen fusion that powers an ordinary star. Here’s the wild part: The two objects orbit each other every 87 minutes. As the brown dwarf loses material, a stream of gas falls directly onto the star, creating a hot, bright spot on its surface. Scientists spotted the system after noticing a strange triangular pattern in its brightness — a signal that puzzled researchers for years. The observations revealed something never directly seen before: a low-mass star steadily collecting material from another low-mass object. And unlike a dramatic cosmic collision, this process appears remarkably gradual. The researchers estimate that the transfer could continue for millions of years — potentially even billions. That timeline is a prediction, not a countdown scientists have observed firsthand. Still, the discovery challenges the idea that a star’s close encounter with a companion must end in sudden destruction. In space, even cosmic cannibalism can be a slow burn. #Space #Astronomy #Science #Universe #Astrophysics1h
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