Story perspectives

JWST Captures First Infrared Flares from Milky Way’s Black Hole

11/29/2025

Summary

Story summary

James Webb Space Telescope (JWST) observed mid-infrared flares from Sagittarius A*, the Milky Way's central supermassive black hole, marking the first such observations.
The study led by Sebastiano von Fellenberg shows that synchrotron cooling occurs during these flares, indicating interactions between magnetic fields.
The results provide clearer measurements of magnetic field strength, improving theoretical models of Sagittarius A*.
These findings relied on JWST's high-sensitivity observations.

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Story summary

James Webb Space Telescope (JWST) observed mid-infrared flares from Sagittarius A*, the Milky Way's central supermassive black hole, marking the first such observations.
The study led by Sebastiano von Fellenberg shows that synchrotron cooling occurs during these flares, indicating interactions between magnetic fields.
The results provide clearer measurements of magnetic field strength, improving theoretical models of Sagittarius A*.
These findings relied on JWST's high-sensitivity observations.