Possible observation of 100 TeV gamma rays from the active galaxy Centaurus a

[1]  K. B. Fenton,et al.  Upper Limits on TeV Gamma-Ray Emission from Centaurus A, Vela X-1, Centaurus X-3, and Circinus X-1 , 1993 .

[2]  Protheroe Rj,et al.  High energy cosmic rays from active galactic nuclei. , 1992 .

[3]  M. Punch,et al.  Detection of TeV photons from the active galaxy Markarian 421 , 1992, Nature.

[4]  Sommers,et al.  High-energy neutrinos from active galactic nuclei. , 1991, Physical review letters.

[5]  M. Honda.  A study of the intergalactic magnetic field using extragalactic ultra-high-energy gamma-ray sources , 1989 .

[6]  Norris,et al.  Search for gamma rays from the supernova 1987A at energies greater than 100 TeV. , 1988, Physical review letters.

[7]  W. Sorrell.  Origin and acceleration of 10 to the 20th eV cosmic-ray protons , 1987 .

[8]  Peter L. Biermann,et al.  Synchrotron Emission from Shock Waves in Active Galactic Nuclei , 1987 .

[9]  R. Protheroe.  Effect of electron–photon cascading on the observed energy spectra of extragalactic sources of ultra-high-energy γ-rays , 1986 .

[10]  D. Ellison,et al.  The central engine of quasars and active galactic nuclei Hadronic interactions of shock-accelerated relativistic protons , 1986 .

[11]  R. Clay,et al.  First observation of ultra-high-energy γ rays from LMC X-4 , 1985, Nature.

[12]  Ti-Pei Li,et al.  Analysis methods for results in gamma-ray astronomy , 1983 .

[13]  R. Protheroe,et al.  On the origin of relativistic particles and gamma-rays in quasars , 1983 .

[14]  R. Silberberg,et al.  Cosmic rays from active galactic nuclei and in metagalactic space , 1983 .

[15]  E. Feigelson,et al.  Detection of radio emission from the jet in Centaurus A , 1981 .

[16]  Carl E. Fichtel,et al.  Galaxies and gamma-ray astronomy , 1979 .

[17]  J. G. Bolton,et al.  Positions of Three Discrete Sources of Galactic Radio-Frequency Radiation , 1949, Nature.

[18]  E. L. Smith.  Presence of Cobalt in the Anti-Pernicious Anæmia Factor , 1948, Nature.

[19]  K. J. Orford,et al.  An upper limit to 300 GeV gamma ray emission from Centaurus A , 1990 .

[20]  J. Terrell.  VELA Observations of Centaurus A X-Ray Activity, 1969--1979 , 1986 .

[21]  A. Hillas.  The Origin of Ultra-High-Energy Cosmic Rays , 1984 .

[22]  R. Clay,et al.  Observation of an excess of cosmic ray showers from the direction of Centaurus A , 1984 .