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Browsing IIAP Publications by Author "Omar, A"

Browsing IIAP Publications by Author "Omar, A"

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  • The 3.6 metre Devasthal optical telescope: from inception to realization 
    Sagar, R; Kumar, Brijesh; Omar, A (Indian Academy of Sciences, 2019-08-10)
    India’s largest 3.6 metre Devasthal Optical Telescope (DOT) was commissioned in 2016, though the idea of building it germinated way back in 1976. This article provides research accounts as well as glimpses of its nearly ...
  • 3.6-m Devasthal Optical Telescope Project: Completion and first results 
    Kumar, Brijesh; Omar, A; Maheswar, G; Pandey, A. K; Sagar, R; Uddin, W; Sanwal, B. B; Bangia, T; Kumar, T. S; Yadav, S; Sahu, S; Pant, J; Reddy, B. K; Gupta, A. C; Chand, H; Pandey, J. C; Joshi, M. K; Jaiswar, M; Nanjappa, N; Purushottam; Yadav, R. K. S; Sharma, S; Pandey, S. B; Joshi, S; Joshi, Y. C; Lata, S; Mehdi, B. J; Misra, K; Singh, M (Societe Royale des Sciences de Liege, 2018-04)
    We present an update on the 3.6-m aperture optical telescope, which has been installed at Devasthal in the year 2016. In this paper, a brief overview of installation activities at site and first results are presented. The ...
  • The first aluminum coating of the 3700 mm primary mirror of the Devasthal Optical Telescope 
    Bheemireddy, K. R; Maheswar, G; Pant, J; Omar, A; Kumar, B; Uddin, W; Nirmal, K (SPIE-The International Society for Optical Engineering, 2016-07)
    Initially the primary mirror of the 3.6m Devasthal Optical Telescope is uncoated polished zerodur glass supplied by Lytkarino Optical Glass Factory, Russia/Advanced Mechanical and Optical Systems, Belgium. In order to do ...
  • GMRT H I study of giant low surface brightness galaxies 
    Mishra, A; Kantharia, N. G; Das, Mousumi; Omar, A; Srivastava, D. C (Oxford University Press on behalf of the Royal Astronomical Society, 2017-01)
    We present H I observations of four giant low surface brightness (GLSB) galaxies UGC 1378, UGC 1922, UGC 4422 and UM 163 using the Giant Meterwave Radio Telescope. We include H I results on UGC 2936, UGC 6614 and Malin 2 ...
  • Probing the central engine and environment of AGN using ARIES 1.3-m and 3.6-m telescopes 
    Chand, H; Rakshit, S; Jalan, P; Ojha, V; Srianand, R; Vivek, M; Mishra, S; Omar, A; Kumar, P; Joshi, R; Gopal Krishna; Kumar, R (Societe Royale des Sciences de Liege, 2018-04)
    : We discuss three long term observational programmes to probe the central engine and environment of active galactic nuclei (AGN) using the recently installed ARIES 1.3-m and 3.6-m telescopes. The first programme is on ...
  • Scientific capabilities and advantages of the 3.6 meter optical telescope at Devasthal, Uttarakhand 
    Omar, A; Kumar, B; Maheswar, G; Sagar, R (Current Science Association, 2015-08)
    India’s largest 3.6 m aperture optical telescope has been successfully installed in the central Himalayan region at Devasthal, Nainital district, Uttarakhand. The primary mirror of the telescope uses the active optics ...

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