XPoSat – India’s First Polarimetry Mission

XPoSat (X-ray Polarimeter Satellite) is India’s first dedicated X-ray polarimetry mission to study various dynamics of bright astronomical X-ray sources in extreme conditions, launched by ISRO on 1 January 2024. It places India among the leading nations in high-energy astrophysical research.

Mission Objectives

  • Study the polarization of X-ray emissions from black holes, neutron stars, pulsars, and active galactic centres.
  • Investigate the geometry and emission mechanisms of high-energy astrophysical sources.
  • Analyze magnetic fields and environments around compact celestial objects.
  • Test fundamental physics concepts under extreme conditions.

Key Payloads

(i) POLIX (Polarimeter Instrument in X-rays)

  • India’s first X-ray polarimeter, measuring in the 8–30 ....
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