Search for 10 TeV gamma-ray emission from active galactic nuclei with the tibet air shower array

M. Amenomori*, Z. Cao, B. Z. Uai, L. K. Ding, Y. X. Feng, Z. Y. Feng, K. Hibino, N. Hotta, Q. Huang, A. X. Huo, H. Y. Jia, G. Z. Jiang, S. Q. Jiao, F. Kajino, K. Kasahara, Labaciren, S. M. Liu, D. M. Mei, L. Meng, X. R. MengMimaciren, K. Mizutani, J. Mu, H. Nanjo, M. Nishizawa, A. Oguro, M. Ohnishi, I. Ohta, T. Ouchi, J. R. Ren, To Saito, M. Sakata, Z. Z. Shi, M. Shibata, T. Shirai, H. Sugimoto, X. X. Sun, K. Taira, Y. H. Tan, N. Tateyama, Shoji Torii, H. Wang, C. Z. Wen, Y. Yamamoto, G. C. Yu, P. Yuan, T. Yuda, C. S. Zhang, H. M. Zhang, L. Zhang, Zhasang, Zhaxiciren, W. D. Zhou

*この研究の対応する著者

研究成果: Article査読

6 被引用数 (Scopus)

抄録

A search for 10 TeV γ-ray emission from 15 active galactic nuclei (AGNs) which were detected by EGRET was made with the Tibet air shower array installed at an elevation of 4300 m above sea level. The data set, taken in the period from 1990 June 18 through 1992 September 29 has been used to search for continuous emission as well as emission on the timescale of 1 day. No evidence for emission from any of the AGNs on any of the time scales examined was found. The 95% confidence level upper limit to the continuous flux is presented on each source, and in particular the result for Markarian 421 is compared with other experiments. Further observation of γ-rays at energies around 10 TeV from nearby AGNs will provide reliable information on the strength of the intergalactic background photon field.

本文言語English
ページ(範囲)634-637
ページ数4
ジャーナルAstrophysical Journal
429
2
出版ステータスPublished - 1994 7月 10
外部発表はい

ASJC Scopus subject areas

  • 宇宙惑星科学

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