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Australia's SpIRIT Nanosatellite Completes Commissioning, Begins Gamma-Ray Science

The home-grown space telescope carries Italy's HERMES detector as its primary payload for rapid burst alerts.

Overview

  • The mission wrapped its in‑orbit testing with deployment of winged radiators and a selfie camera that returned the first images from space.
  • The Italian-built HERMES X-ray detector completed commissioning with a 700‑second detection of the Crab gamma pulsar, according to ASI.
  • SpIRIT will now scan for gamma ray bursts and issue early warnings to guide follow‑up observations by astronomers.
  • Since launching on a SpaceX Falcon 9 from California in December 2023, the satellite has logged over 600 days and more than 9,000 Earth orbits.
  • Mission partners describe SpIRIT as the first Australian space telescope to host a foreign agency’s main scientific payload, with operations expected to exceed 1,000 days.