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Observations of AGNs using PACT
Bose, D1; Chitnis, VR1; Vishwanath, PR2; Majumdar, P4; Rahman, MA1; Singh, BB1; A. C. Gupta3; Acharya, BS1
Source PublicationASTROPHYSICS AND SPACE SCIENCE
2007
Volume309
Issue1-4
Pages111-117
DOI10.1007/s10509-007-9408-9
Contribution Rank第3完成单位
Indexed BySCI ; CPCI
Conference NameConference on the Multi-Messenger Approach to High Energy Gamma-Ray Sources/3rd Workshop of the Nature of Unidentified High-Energy Sources
Conference Date2006-07-04
Conference PlaceBarcelona, SPAIN
KeywordMkn 421 Blazar Gamma-ray Astronomy
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.

Funding OrganizationN/A
Language英语
Subject Area天文学 ; 天体物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle; Proceedings Paper
PublisherSPRINGER
Publication PlaceVAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
ISSN0004-640X
URL查看原文
WOS IDWOS:000248338600018
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordMultiwavelength Observations ; Blazar Markarian-421 ; Gamma-rays ; Variability ; h1426+428 ; Spectrum ; Flux
Citation statistics
Document Type会议论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/7141
Collection星系研究组
Corresponding AuthorBose, D
Affiliation1.Tata Institute of Fundamental Research, Homi Bhabha Road, Colaba, Mumbai, 400 005, India
2.Indian Institute of Astrophysics, Bangalore, 560 034, India
3.Yunnan Astronomical Observatory, Kunming, Yunnan, 650011, People’s Republic of China
4.Max-Planck-Institute for Physics, Foehringer Ring 6, 80805, Munich, Germany
Recommended Citation
GB/T 7714
Bose, D,Chitnis, VR,Vishwanath, PR,et al. Observations of AGNs using PACT[C]. VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS:SPRINGER,2007:111-117.
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