Science

Supermassive black holes ejected from galactic centers? Quasar survey supports decade-old prediction

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Briefings

Researchers at Eötvös Loránd University analyzed data from approximately 100,000 quasars to find statistical evidence that supermassive black holes are ejected from galactic centers after formation. This finding aligns with a decade-old prediction by Peter Raffai, Zsolt Frei, and Zoltán Haiman, suggesting these black holes are not permanently anchored at their birth sites.

Key points

• Researchers analyzed data from approximately 100,000 quasars to identify a statistical pattern indicating ejection of supermassive black holes from galactic centers.
• The identified relationship was predicted 10 years ago by Peter Raffai, Zsolt Frei, and Zoltán Haiman, who previously theorized that black holes may be ejected after formation.

Context

This research challenges the long-held assumption that supermassive black holes remain permanently at galactic centers. The study provides observational support for a theoretical model proposed by Raffai, Frei, and Haiman over a decade ago, suggesting black holes can be ejected from their birth positions.

Limitations

Data coverage is limited to 100,000 quasars, which may not represent the full population. The statistical evidence is observational and does not confirm causality or rule out alternative explanations for the observed patterns.

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