431 citations · 532 across the 4 of their papers we have counts for
Showing 2004 · astro-phShow all
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astro-ph2004★ 1 cited
Multifrequency Observations of the Gamma-Ray Blazar 3C 279 in Low-State during Integral AO-1
W. Collmar, M. Böttcher, V. Burwitz +19
We report first results of a multifrequency campaign from radio to hard X-ray energies of the prominent gamma-ray blazar 3C 279 during the first year of the INTEGRAL mission. The v…
astro-ph2004
Spectral constraints on unidentified EGRET gamma-ray sources from COMPTEL MeV observations
S. Zhang, W. Collmar, W. Hermsen +1
We investigated the MeV properties of 173 unidentified or only tentatively identified EGRET sources listed in the third EGRET catalogue, by analyzing the simultaneously collected C…