Energy Sensitive Search for Pulsed Photons from Crab Pulsar using the TACTIC Imaging Element (2003)
Rannot, R. C, Yadav, K. K, Dhar, V. K, Tickoo, A. K, Bhatt, N, Bhattacharyya, S, ...
The Imaging Element (IE) of the 4-element TACTIC array of atmospheric Cherenkov telescopes is in operation at Mt. Abu Rajasthan, in Western India. We have successfully detected a steady signal from...
Bhat, C. K, Kaul, R. K, Sapru, M. L, Bhat, C. L
The 4-element TACTIC Cerenkov telescope array at Mt. Abu comprises a central Imaging Element equipped with a 349- pixel Cerenkov imaging camera and three Vertex Elements, each of which is equipped...
Observations of the Crab Nebula, Mkn 501 and Mkn 421 using the TACTIC Imaging Element (1999)
Bhatt, N., Agarwal, N. K., Bhat, C. K., Bhattacharyya, S., Dhar, V. K., Goyal, A., ...
The results of our observational campaigns on the two extragalactic sources Mkn 501 and Mkn 421, carried out with the Imaging Element of the TACTIC array, during March-May, 1998 and April-May, 1999,...
Sathyabama, N, Sapru, M. L, Bhat, C. L, Rannot, R. C, Razdan, A. K, Tickoo, A. K, ...
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...
Koul, M. K, Rannot, R. C, Sapru, M. L, Sathyabama, N, Bhat, C. L, Tickoo, A. K, ...
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...
Search for a TeV photon signal from the Crab pulsar (1996)
Sapru, M. L, Kaul, R. K, Bhat, C. L, Dhar, V. K, Rannot, R. C, Tickoo, A. K
Atmospheric extinction and background light measurements at Jammora, Jammu (1994)
Kaul, S. R, Dhar, V. K, Kaul, M. K, Bhat, R. K, Sapru, M. L, Kaul, R. K, ...
Atmospheric extinction and background light measurements have been carried out at Jammora for the period 1991 October-November, with a view to evaluate its suitability as a site for our new...
Detector instrumentation and drive system for TACTIC gamma-ray telescope (1993)
Koul, R, Bhat, C. L, Tickoo, A. K, Kaul, I. K, Kaul, S. K, Kaul, S. R, ...
TACTIC, a high sensitivity gamma-ray telescope is being set up at Gurushikar, Mt. Abu, to undertake comprehensive temporal and spectral studies of cosmic gamma-ray sources in the TeV energy range....
Some representative Cerenkov light images recorded by 144-pixel SHALON gamma-ray telescope (1993)
Nikolsky, S. I, Sinitsyna, V. G, Acobian, A. M, Matizov, B, Vorobiov, S. P, Bhat, C. L, ...
The 144-pixel SHALON imaging telescope was deployed on the nights of 1993 January 20 and 21 to record Cerenkov images of sample cosmic-ray events coming from the direction of zenith. Here, in this...
Site-selection studies at Gurushikar, Mt. Abu for project 'GRACE' (1993)
Sapru, M. L, Bhat, C. L, Kaul, M. K, Kaul, S. K, Kaul, S. R, Dhar, V. K, ...
Holding the promise of yielding up to 1150 hrs of good-quality atmospheric Cerenkov data per calendar year, Gurushikar in Mt. Abu, Rajasthan, offers itself as a good observatory site for our proposed...
Design philosophy of TACTIC -- a high sensitivity VHE gamma-ray telescope (1993)
Bhat, C. L, Razdan, H, Koul, R, Sapru, M. L, Tickoo, A. K, Rannot, R. C, ...
TACTIC is a high-sensitivity gound-based very high energy (VHE) telescope designed for undertaking comprehensive temporal and spectral studies of galactic and extragalactic gamma-ray sources. Its...
A search for TeV photons from 4U0115 + 63 (1993)
Rannot, R. C, Bhat, C. L, Senecha, V. K, Sapru, M. L, Tickoo, A. K, Kaul, R. K, ...
An analysis of 47 hours of data collected by the Gulmarg gamma-ray telescope during the period 1989 September 27-October 30, indicates absence of a statistically significant steady, persistent-pulsed...