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Multiwavelength astronomy using ESIS
Giommi, P.; Ansari, S. G.
We present results on multi-frequency astronomy obtained using the European Space Information System, ESIS. ESIS is an ESA service designed to access, manipulate and combine archival data from a number of remote archives in the fields of Astronomy and Space Physics. The examples presented here include plots of radio-to-X-ray energy distribution of…
Multiwavelength monitoring of active galactic nuclei
Urry, C. M.
Recent multiwavelength monitoring of active galactic nuclei (AGN), particularly with the IUE satellite, has produced extraordinary advances in our understanding of the energy-generation mechanism(s) in the central engine and of the structure of the surrounding material. Examples discussed here include both ordinary AGN and blazars (the collective …