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The GstLAL program catches space tremors so fast that astronomers have time to point telescopes at the fading flash.
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When two dead stars collide, they warp space itself—giant laser 'ears' pick up this ripple. It turns out we can learn of the disaster in just 16 seconds. That's the success of GstLAL: it never sleeps, barely ever errs, and buys astronomers precious time to glimpse the light of a cosmic crash.
🎯 The GstLAL alarm sounds faster than a kettle boils: the average time is 16 seconds. This gives astronomers a chance to catch light that fades in minutes.