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Browsing by Author "Koul, M. K"

Browsing by Author "Koul, M. K"

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  • Recent results on crab nebula and Mkn-421 observations with TACTIC imaging element 
    Bhatt, N; Agarwal, N. K; Bhat, C. K; Bhattacharaya, S; Charagi, S. K; Chandra, P; Chauhan, N; Dhar, V. K; Goyal, A; Goyal, H. C; Kamath, K; Kaul, C. L; Kaul, I. K; Kaul, R. K; Kaul, S. K; Kaul, S. R; Sharma, M; Kothari, M; Kotwal, S. V; Koul, D. K; Koul, M. K; Rannot, R. C; Razdan, A. K; Sahaynathan, S; Sapru, M. L; Satyabhama, N; Tickoo, A. K; Venugopal, K; Yadav, K. K; Bhat, C. L (Astronomical Society of India, 2002)
    The results of our recent observational campaigns on the Crab Nebula and Mkn-421, carried out with the 349-pixel Imaging Element of the TACTIC array, are presented alongwith the details of the data analysis. Analysis of ...
  • Salient mechanical and optical design features of 25m-diameter light-collector of MACE imaging Gamma-Ray Telescope 
    Bandyopadhayay, K; Koul, D. K; Mishra, V. K; Koul, R; Suthar, R. L; Koul, M. K; Jayandranath, M; Bhat, C. L (Astronomical Society of India, 2000)
    A low-threshold energy, high-sensitivity gamma-ray telescope, MACE (for Major Atmospheric Cerenkov Experiment) is proposed to be built in India for explorations of gamma-ray sky in 100's keV - 10's GeV photon energy range, ...
  • Sensitivity and energy resolution estimates of the TACTIC gamma-ray telescope - Inputs from simulation studies (II) 
    Koul, M. K; Rannot, R. C; Sapru, M. L; Sathyabama, N; Bhat, C. L; Tickoo, A. K; Razdan, A. K; Gandhi, V. N (Astronomical Society of India, 1999)
    The response of the recently-commissioned TACTIC imaging Cerenkov telescope to atmospheric Cerenkov pulses produced by cosmid gamma-ray and hadron-initiated extensive air-showers has been studied through Monte Carlo ...
  • Simulation Studies for Optimizing the Trigger Field of View of the TACTIC Imaging Element 
    Koul, M. K; Sapru, M. L (Astronomical Society of India, 2003)
    Simulation studies, for the Imaging Camera of the TACTIC -ray telescope have been carried out to optimize its trigger field of view for a point -ray source. The results indicate that a trigger field of 9 x 9 pixels should ...
  • Spot size of 17m-diameter MACE reflector in presence of surface inaccuracies 
    Koul, D. K; Koul, M. K; Tickoo, A. K; Bhat, C. L (Astronomical Society of India, 2002)
    The MACE (for Major Atmospheric Cerenkov Experiment), an imaging cerenkov telescope for gamma-ray astronomy investigations in the sub-TeV energy bracket, plans to use a 17 m-diameter high quality reflecter mounted with a ...
  • Threshold energy estimates of TACTIC array elements 
    Sapru, M. L; Satyabhama, N; Koul, M. K; Tickoo, A. K; Bhat, C. L (Astronomical Society of India, 2002)
    Using the CORSIKA-code based simulation studies, we present here results on the gamma-ray and the cosmic-ray proton trigger-thresholds for the Imaging-Element and the 3 Vertex-Elements of the TACTIC atmospheric Cerenkov ...
  • Threshold energy estimates of TACTIC gamma-ray telescope array-Inputs for simulations studies (I) 
    Sathyabama, N; Sapru, M. L; Bhat, C. L; Rannot, R. C; Razdan, A. K; Tickoo, A. K; Koul, M. K; Gandhi, V. N (Astronomical Society of India, 1999)
    Comprehensive simulation studies, using the CORSIKA air-shower code are in progress to predict and optimize the performance of the TACTIC gamma-ray telescope array. Preliminary results are presensted here on the gamma-ray ...

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