397 citations · 2.4k across the 21 of their papers we have counts for
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astro-ph2003★ 224 cited
Parsec Scale Properties of Markarian 501
M. Giroletti, G. Giovannini, L. Feretti +7
We present the results of a high angular resolution study of the BL Lac object Markarian 501 in the radio band. We consider data taken at 14 different epochs, ranging between 1.6 G…
astro-ph2003★ 78 cited
Coordinated Multiwavelength Observations of BL Lacertae in 2000
M. Boettcher
BL Lacertae was the target of an extensive multiwavelength monitoring campaign in the second half of 2000. Simultaneous or quasi-simultaneous observations were taken at radio (UMRA…
astro-ph2003★ 181 cited
EGRET upper limits on the high-energy gamma-ray emission of galaxy clusters
O. Reimer, M. Pohl, P. Sreekumar +1
We report EGRET upper limits on the high-energy gamma-ray emission from clusters of galaxies. EGRET observations between 1991 and 2000 were analyzed at positions of 58 individual c…