Observations of the Crab Nebula, Mkn 501 and Mkn 421 using the TACTIC Imaging Element

N. Bhatt , N.K. Agarwal , C.K. Bhat , S. Bhattacharyya , V.K. Dhar , A. Goyal , H.C. Goyal , C.L. Kaul

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D.K. Koul I.K. Kaul R.K. Kaul S.K. Kaul S.R. Kaul M.K. Koul R. Koul M. Kothari R.C. Rannot A.K. Razdan S. Sahayanathan M.L. Sapru N. Satyabhama A.K. Tickoo N. Venugopal K.K. Yadav C.L. Bhat

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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, are presented. The results indicate that the two BL Lac objects (Mkn 501 and Mkn 421) were in a `low' gamma-ray emission state during both epochs of our observations.

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Observations of the Crab Nebula, Mkn 501 and Mkn 421 using the TACTIC Imaging Element

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