Sloan Digital Sky Survey company blog

An all-sky map of half a million supermassive black holes

by raddick sdss.org published 2026-07-306 min read

The Black Hole Mapper reaches a milestone with its first southern hemisphere optical observations, coordinated eROSITA X-ray identification, and multi-epoch tracking of accreting black holes across the universe.

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Science & SpaceDatabases & Data2026

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