Observation of Gamma Rays Greater than 10 TeV from Markarian 421
Date
2002
Authors
Okumura, K
Asahara, A
Bicknell, Geoffrey
Edwards, Philip G
Enomoto, R
Gunji, S
Hara, Shinji
Hara, T
Hayashi, Sei
Itoh, Chie
Journal Title
Journal ISSN
Volume Title
Publisher
IOP Publishing
Abstract
We have observed Markarian 421 in 2001 January and March with the CANGAROO-II imaging Cerenkov telescope during an extraordinarily high state at TeV energies. From 14 hr of observations at very large zenith angles, ∼70°, a signal of 298 ± 52 gamma-ray
Description
Keywords
Keywords: BL Lacertae objects: individual (Markarian 421); Gamma rays: observations
Citation
Collections
Source
Astrophysical Journal, The
Type
Journal article