Science Café: Unusual Black Holes and How to Find Them @ncnaturalsciences
Science Café: Unusual Black Holes and How to Find Them  @ncnaturalsciences
Uploaded February 2025 | Updated September 2026, 1 week ago
Join Dr. Patrick Treuthardt, Assistant Head of the Astronomy and Astrophysics Research Lab at the North Carolina Museum of Natural Sciences, to explore his latest work investigating rare astronomical phenomena and engaging the public to help.

Nearly every large galaxy appears to host a supermassive black hole in its nucleus, whose mass ranges from millions to billions of times the mass of the Sun. The origin of these black holes is still not understood but rare, intermediate mass black holes (IMBHs; ranging from thousands to hundreds of thousands of times the mass of the Sun) may shed light on the problem. Measuring the mass of a nuclear black hole requires significant telescope resources, so a method of identifying a few probable candidates is necessary. Dr. Patrick Treuthardt will discuss an efficient means of identifying spiral galaxies that potentially harbor IMBHs with the help of citizen scientists, all-sky surveys, and existing scaling relations.
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North Carolina Museum of Natural Sciences |

Science Café: Unusual Black Holes and How to Find Them

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