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5 papers · 2 filters
A Chandra detection of diffuse hard X-ray emission associated with the lobes of the radio galaxy 3C 452
N. Isobe, M. Tashiro, K. Makishima +5
An 80 ksec Chandra ACIS observation of the radio galaxy 3C 452 is reported. A diffuse X-ray emission associated with the lobes has been detected with high statistical significance,…
Ultra-High Energy Gamma Rays in Geomagnetic Field and Atmosphere
H. P. Vankov, N. Inoue, K. Shinozaki
The nature and origin of ultra-high energy (UHE: reffering to > 10^19 eV) cosmic rays are great mysteries in modern astrophysics. The current theories for their explanation include…
Energy determination in the Akeno Giant Air Shower Array experiment
M. Takeda, N. Sakaki, K. Honda +29
Using data from more than ten-years of observations with the Akeno Giant Air Shower Array (AGASA), we published a result that the energy spectrum of ultra-high energy cosmic rays e…
The Apparent Host Galaxy of PKS 1413+135: HST, ASCA and VLBA Observations
Eric S. Perlman, John T. Stocke, Chris L. Carilli +5
PKS 1413+135 (z=0.24671) is one of very few radio-loud AGN with an apparent spiral host galaxy. Previous authors have attributed its nearly exponential infrared cutoff to heavy abs…
Observation of Multi-Tev Diffuse Gamma Rays from the Galactic Plane with the Tibet Air Shower Array
M. Amenomori et al.
Data from the Tibet-III air shower array (with energies around 3 TeV) and from the Tibet-II array (with energies around 10 TeV) have been searched for diffuse gamma rays from the G…