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Astronomers Uncover Massive Black Hole in Segue 1

10/28/2025

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Summary

Story summary

Astronomers from The University of Texas at Austin and UT San Antonio discovered a massive black hole at the center of Segue 1.
The black hole is estimated to be 450,000 solar masses.
Segue 1 lies about 75,000 light-years from Earth.
The study, published in The Astrophysical Journal Letters, suggests Segue 1 may be a remnant of a larger galaxy or a new class called Little Red Dots.

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Story summary

Astronomers from The University of Texas at Austin and UT San Antonio discovered a massive black hole at the center of Segue 1.
The black hole is estimated to be 450,000 solar masses.
Segue 1 lies about 75,000 light-years from Earth.
The study, published in The Astrophysical Journal Letters, suggests Segue 1 may be a remnant of a larger galaxy or a new class called Little Red Dots.