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Title: Observations of AGNs using PACT
Authors: Bose, D
Chitnis, V. R
Vishwanath, P. R
Majumdar, P
Rahman, M. A
Singh, B. B
Gupta, A. C
Acharya, B. S
Keywords: Mkn 421 - Blazar - γ-Ray astronomy
Issue Date: Jun-2007
Publisher: Springer Netherlands
Citation: Astrophysics and Space Science, Vol. 309, No. 1 - 4, pp. 111 - 117
Abstract: We report our observations on 4 AGNs viz, Mkn 421, Mkn 501, 1ES1426+428 and ON231 belonging to a sub-class called blazars. The observations were carried out using the Pachmarhi Array of Cherenkov Telescopes and span about 6 years period from 2000 to 2005. We discuss our methods of analysis adopted to extract the gamma ray signal from cosmic ray background. We present our results on the emission of TeV gamma rays from these objects. Also, we report on the status of the new high altitude experiment, a 7 telescope array at Hanle in the Himalayas at an altitude of about 4200 m above mean sea level for detecting celestial gamma-rays
Description: Restricted Access
ISSN: 0004-640X (Print) 1572-946X (Online)
Appears in Collections:IIAP Publications

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