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Browsing by Author "Kohok, A"

Browsing by Author "Kohok, A"

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  • An implementation of transfer-pupil in a spectrograph on optical telescopes 
    Das, H. K; Kohok, A; Tandon, S. N (Astronomical Society of India, 2004-06)
    Based on the transfer pupil technique we develop a method to measure the lower order aberration coeffcients for optical telescopes; the method makes use of a Hartmann mask in a spectrograph for sampling the wavefront at ...
  • IUCAA 2 meter telescope and its first light instrument IFOSC 
    Gupta, R; Burse, M; Das, H. K; Kohok, A; Ramaprakash, A. N; Engineer, S; Tandon, S. N (Astronomical Society of India, 2002-09)
    The various features of the IUCAA 2-meter telescope, its site parameters and considerations made for preserving the local seeing in terms of ventilation, thermal emissivity of the dome etc are described. The first ...

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