SMRTR Science & EngineeringFeb 19, 2025Science Daily

300 new intermediate-mass black holes plus 2500 new active black holes in dwarf galaxies discovered

SMRTR summary

Scientists have compiled the largest sample of dwarf galaxies with actively feeding black holes and the most extensive collection of intermediate-mass black hole candidates using data from the Dark Energy Spectroscopic Instrument (DESI). The study identified 2,500 dwarf galaxies hosting active galactic nuclei and 300 intermediate-mass black hole candidates, significantly expanding our understanding of black hole populations and their role in galaxy evolution.

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