Scientists from the Institute of High Energy Physics recently announced that a strong gamma-ray flare was detected by the ARGO-YBJ experiment at energies above 300 GeV with a statistical significance of 6.1 standard deviations, from Active Galactic Nuclei (AGN) Mrk501
86-10-68597521 (day)
86-10-68597289 (night)
52 Sanlihe Rd., Xicheng District,
Beijing, China (100864)
Copyright © 2002 - Chinese Academy of Sciences
