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ULTRASAT

23rd February, 2023

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Context

  • NASA will launch Israel’s first space telescope mission, the Ultraviolet Transient Astronomy Satellite (ULTRASAT).

ULTRASAT

  • ULTRASAT (Ultraviolet Transient Astronomy Satellite) is a space telescope in a smallsat format with a large field of view, 210 square degrees.
  • It will detect and monitor transient astronomical events in the near-ultraviolet (220–280 nm) spectral region.
  • ULTRASAT will observe a large patch of sky, alternating every six months between the southern and northern hemisphere.
  • The satellite will be launched into geosynchronous orbit in early 2026.
  • All ULTRASAT data will be transmitted to the ground in real-time.
  • Upon detection of a transient event, ULTRASAT will provide alerts within 20 minutes to other ground-based and space telescopes to be directed to the source for further observation of the event in other wavelength bands.
  • ULTRASAT will study the hot transient universe. The extra-Galactic volume accessible to ULTRASAT for the discovery of transient sources will be 300 times larger than that of the most sensitive UV satellite to date, GALEX.