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Browsing by Author "Kemkar, P. M. M"

Browsing by Author "Kemkar, P. M. M"

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  • Full-disk synoptic observations of the chromosphere using Hα telescope at the Kodaikanal Observatory 
    Ravindra, B; Prabhu, K; Rangarajan, K. E; Bagare, S. P; Singh, J; Kemkar, P. M. M; Thulasidharen, K. C; Gabriel, F; Selvendran, R (IOP Publishing, 2016-08)
    This paper reports on the installation and observations of a new solar telescope installed on 2014 October 7 at the Kodaikanal Observatory. The telescope is a refractive type equipped with a tunable Lyot Hα filter. A CCD ...
  • Installation of solar chromospheric telescope at the Indian Astronomical Observatory, Merak 
    Ravindra, B; Prabhu, K; Thulasidharen, K. C; Rajalingam, M; Sagayanathan, K; Kamath, P. U; Dorjey, N; Angchuk, D; Kemkar, P. M. M; Dorjai, T; Banyal, R. K (Indian Academy of Sciences, 2018-10)
    We report the observations of the solar chromosphere from a newly commissioned solar telescope at the incursion site near Pangong Tso lake in Merak (Leh/Ladakh). This new Hα telescope at the Merak site is identical to the ...
  • Pointing of HAGAR telescope mirrors 
    Gothe, K. S; Prabhu, T. P; Vishwanath, P. R; Acharya, B. S; Srinivasan, R; Chitnis, V. R; Kamath, P. U; Srinivasulu, G; Saleem, F; Kemkar, P. M. M; Mahesh, P. K; Gabriel, F; Manoharan, J; Dorji, N; Dorjai, T; Angchuk, D; D'souza, A. I; Duhan, S. K; Nagesh, B. K; Rao, S. K; Sharma, S. K; Singh, B. B; Sudersanan, P. V; Thsering, M. T; Upadhya, S. S; Anupama, G. C; Britto, R. J; Cowsik, R; Saha, L; Shukla, A (Springer, 2013-04)
    An array of seven atmospheric Cherenkov telescopes was commissioned at a high altitude site in Hanle in the Ladakh region of the Himalayas. The array called HAGAR has been designed to observe celestial γ-rays of energy ...
  • Prototype segmented mirror telescope: a pathfinder of India's large optical-NIR telescope project 
    Parihar, P; Prasanna, Deshmukh; Jacob, A; Varun, Kumar; Goudar, Abhishek; Sriram, S; Nagabhusan, S; Amit Kumar, S; Govinda, K. V.; Sandeep, D. S.; Kemkar, P. M. M; Anupama, G. C (SPIE--The International Society for Optical Engineering, 2018-07)
    To cater the need of growing astronomical community of India, there is a proposal to install 10-12m size optical-NIR telescope, equipped with state of the art back-end instruments . A telescope of this size is possible ...
  • Re-aluminization of 2M Himalayan Chandra Telescope primary mirror 
    Kemkar, P. M. M; Saxena, A. K; Nirmal Kumar, P. K; Ismail, R; Sagayanathan, K (Indian Institute of Astrophysics, 2011-12)
    The purpose of this document is to establish the general requirements for handling and coating of the primary and secondary mirror of 2M Himalayan Chandra Telescope (HCT) at the observatory Mirror Coating facility, Hanle. ...
  • A soft actuator for prototype segmented mirror telescope 
    Prasanna, Deshmukh; Parihar, P. S; Mishra, Deepta Sundar; Prakash, Ajin; Kemkar, P. M. M (SPIE-The International Society for Optical Engineering, 2016-07)
    The Segmented Mirror Telescopes (SMT) are built using small hexagonal mirror segments placed side by side to form a monolithic primary mirror of very large size. The effective figure of such a segmented primary mirror is ...

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