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Charged Particle Monitor on the Astrosat Mission

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Abstract

Charged Particle Monitor (CPM) on-board the Astrosat satellite is an instrument designed to detect the flux of charged particles at the satellite location. A Cesium Iodide Thallium (CsI(Tl)) crystal is used with a Kapton window to detect protons with energies greater than 1 MeV. The ground calibration of CPM was done using gamma-rays from radioactive sources and protons from particle accelerators. Based on the ground calibration results, energy deposition above 1 MeV are accepted and particle counts are recorded. It is found that CPM counts are steady and the signal for the onset and exit of South Atlantic Anomaly (SAA) region are generated in a very reliable and stable manner.

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Notes

  1. Based on the standard range calculations as given in http://physics.nist.gov/PhysRefData/Star/Text/PSTAR.html

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Authors and Affiliations

  1. Tata Institute of Fundamental Research, Mumbai, 400 005, India

    A. R. Rao, M. H. Patil, Yash Bhargava, Rakesh Khanna, M. K. Hingar, A. P. K. Kutty, J. P. Malkar & Rupal Basak

  2. Inter University Centre for Astronomy & Astrophysics, Pune, 411 007, India

    Yash Bhargava, D. Bhattacharya & V. Bhalerao

  3. Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Warsaw, 00-716, Poland

    Rupal Basak

  4. Vikram Sarabhai Space Centre, Thiruvananthapuram, 695 022, India

    S. Sreekumar, Essy Samuel, P. Priya & P. Vinod

  5. Physical Research Laboratory, Ahmedabad, 380 009, India

    S. V. Vadawale & N. P. S. Mithun

  6. ISRO Satellite Centre, Bengaluru, 560 017, India

    R. Pandiyan, K. Subbarao, S. Seetha & K. Suryanarayana Sarma

Authors
  1. A. R. Rao
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  2. M. H. Patil
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  3. Yash Bhargava
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  4. Rakesh Khanna
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  5. M. K. Hingar
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  6. A. P. K. Kutty
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  7. J. P. Malkar
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  8. Rupal Basak
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  9. S. Sreekumar
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  10. Essy Samuel
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  11. P. Priya
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  12. P. Vinod
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  13. D. Bhattacharya
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  14. V. Bhalerao
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  15. S. V. Vadawale
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  16. N. P. S. Mithun
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  17. R. Pandiyan
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  18. K. Subbarao
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  19. S. Seetha
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  20. K. Suryanarayana Sarma
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Corresponding author

Correspondence to A. R. Rao.

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Rao, A.R., Patil, M.H., Bhargava, Y. et al. Charged Particle Monitor on the Astrosat Mission. J Astrophys Astron 38, 33 (2017). https://doi.org/10.1007/s12036-017-9450-0

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  • DOI: https://doi.org/10.1007/s12036-017-9450-0

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