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

Source

Astrophysical Journal, The

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

Restricted until