ISRO Successfully Launches XPoSat: A Milestone in X-Ray Astronomy

Sriharikota, India — The Indian Space Research Organisation (ISRO) achieved another milestone with the successful launch of its maiden X-Ray Polarimeter Satellite, XPoSat, aboard the Polar Satellite Launch Vehicle (PSLV) C58 mission. The event marked a significant leap forward in space-based X-ray astronomy and promises valuable insights into celestial objects, particularly black holes.

Key Achievements:

  • Launch Success: The PSLV, in its C58 mission, flawlessly deployed XPoSat into a 650 km Low Earth Orbit as planned, taking off at 9:10 am from Sriharikota’s first launch pad.
  • Scientific Focus: XPoSat, India’s first dedicated scientific satellite for space-based polarisation measurements of X-ray emission, aims to explore the polarisation of intense X-ray sources in space.
  • Diagnostic Tool: X-Ray polarisation serves as a vital diagnostic tool for scrutinizing the radiation mechanism and geometry of celestial sources, contributing to a deeper understanding of the universe.

XPoSat Payload:

  • POLIX: The primary payload, Polarimeter Instrument in X-Rays (POLIX), is designed by Raman Research Institute to measure polarimetry parameters.
  • XSPECT: Another crucial instrument, X-ray Spectroscopy and Timing (XSPECT), is crafted by the U R Rao Satellite Centre, Bengaluru. Together, these instruments are poised to gather valuable data for scientific exploration.

Mission Duration:

The expected mission life of XPoSat is approximately five years, providing a prolonged window for data collection and analysis.

Upcoming Endeavors:

ISRO’s collaboration with NASA is set to continue with the launch of the NISAR (NASA-ISRO Synthetic Aperture Radar) satellite in the first quarter of 2024. With a cost of $1.5 billion, NISAR is a joint venture that will offer critical data for studying various Earth ecosystems and phenomena on a regional to global scale.

ISRO’s commitment to advancing space exploration and research is evident through these endeavors, fostering international collaborations and contributing to our understanding of the cosmos


Sachin Gill
Sachin Gill

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