AI Summary

On Jan. 26 2026 the Submillimeter Array on Maunakea achieved a milestone for time‑domain astronomy when scientists from the Center for Astrophysics Harvard & Smithsonian used a new rapid‑response system to target a gamma‑ray burst within minutes of its detection. The observation captured the earliest millimeter‑ and submillimeter‑wave data ever recorded for a GRB, a capability previously limited to X‑ray and optical follow‑up. The results, demonstrating the SMA’s fast‑response ability, are detailed in a paper published in The Astrophysical Journal Letters. This breakthrough narrows the gap between high‑energy and millimeter‑wave observations of the universe’s most energetic explosions.

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