XPoSat Program

XPoSat (X-ray Polarimeter Satellite) is the Indian Space Research Organisation’s dedicated X-ray astronomy observatory, launched on 1 January 2024 into low Earth orbit. It carries the POLIX polarimeter and XSPECT spectroscopy-and-timing payloads to study X-ray polarization, spectra, and variability from celestial sources; ISRO’s 2026 mission update reports public scientific data release and a second observation Announcement of Opportunity.