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Assessing AstroSat bus jitter from UVIT data of small magallenic cloud

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Abstract

We utilize data from the ultra-violet imaging telescope (UVIT) data to make an assessment of the high-frequency pointing stability, called the jitter (>2 Hz), of the AstroSat bus. We find a pointing stability of 0.06 arcsec standard deviation with no significant frequency response between 1 and 14 Hz, aside from a temporary effect at 2.4 and 5.2 Hz upon the telescope pointing induced from movements of the SSM camera.

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References

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Authors and Affiliations

  1. University of Calgary, 2500 University Dr. NW, Calgary, T2N1N4, Canada

    Joseph E. Postma & Denis Leahy

  2. Inter-University Center for Astronomy and Astrophysics, Pune, India

    Shyam N. Tandon

  3. National Research Council Canada, 5071 West Saanich Road, Victoria, British Columbia, V9E 2E7, Canada

    John Hutchings

Authors
  1. Joseph E. Postma
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  2. Shyam N. Tandon
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  3. Denis Leahy
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  4. John Hutchings
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Correspondence to Joseph E. Postma.

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Postma, J.E., Tandon, S.N., Leahy, D. et al. Assessing AstroSat bus jitter from UVIT data of small magallenic cloud. J Astrophys Astron 44, 12 (2023). https://doi.org/10.1007/s12036-022-09901-z

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  • DOI: https://doi.org/10.1007/s12036-022-09901-z

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