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Rubin Observatory Launches Real-Time Alert System
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The Vera C. Rubin Observatory (NSF–DOE) released its first near-real-time astronomical alerts on Feb. 24, 2026, issuing about 800,000 notices that night and planning up to 7 million nightly. The public alert stream generates notifications within roughly two minutes from image capture and includes supernovae, variable stars, active galactic nuclei and solar-system objects. The capability enables rapid, coordinated global follow-up ahead of the LSST survey.
