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TIRCAM2 fast sub-array readout mode for lunar occultation studies

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Abstract

TIFR Near Infrared Imaging Camera-II (TIRCAM2) is being used at the Devasthal Optical Telescope (DOT) operated by Aryabhatta Research Institute of Observational Sciences (ARIES), Nainital, Uttarakhand, India. In addition to the normal full frame observations, there has been a requirement for high speed sub-array observations for applications, such as lunar occultation and star speckle observations. Fast sub-array modes have been implemented in TIRCAM2 with suitable changes in the camera software at the computer and controller DSP code level. Successful observations have been carried out with the fast sub-array mode of observation.

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Acknowledgements

We would like to thank all members of ARIES/DOT for their support in operating TIRCAM2 during the observations. We would also like to thank Dr Andrea Richichi for guidance and inputs which made these observations a success. We thank the personnel at the TIFR Central Workshop for fabricating the telescope interfaces required for mounting TIRCAM2 on DOT. The continuous help and support of all the members of the TIFR Infrared Astronomy Group and the Department of Astronomy and Astrophysics is highly appreciated. MBN, DKO, SBB, SLD and KS acknowledge the support of the Department of Atomic Energy, Government of India, under project identification no. RTI 4002.

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Authors and Affiliations

  1. Department of Astronomy and Astrophysics, Tata Institute of Fundamental Research (TIFR), Mumbai, 400005, India

    Milind B. Naik, Devendra K. Ojha, Shailesh B. Bhagat, Savio L. D’costa & Koshvendra Singh

  2. Aryabhatta Research Institute of Observational Sciences (ARIES), Manora Peak, Nainital, 263001, India

    Saurabh Sharma & Arpan Ghosh

Authors
  1. Milind B. Naik
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  2. Devendra K. Ojha
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  3. Saurabh Sharma
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  4. Shailesh B. Bhagat
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  5. Savio L. D’costa
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  6. Arpan Ghosh
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  7. Koshvendra Singh
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Correspondence to Milind B. Naik.

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This article is part of the Special Issue on “Star formation studies in the context of NIR instruments on 3.6m DOT”.

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Naik, M.B., Ojha, D.K., Sharma, S. et al. TIRCAM2 fast sub-array readout mode for lunar occultation studies. J Astrophys Astron 44, 51 (2023). https://doi.org/10.1007/s12036-023-09946-8

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  • DOI: https://doi.org/10.1007/s12036-023-09946-8

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