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Browsing by Author "Ulrich, M. H."
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30 years of multi-wavelength observations of 3C 273
Turler, M.; Paltani, S.; Courvoisier, T. J-L.; Aller, M.; Aller, H.; Blecha, A.; Bouchet, P.; Lainela, M.; McHardy, I.M.; Robson, E.I.; Stevens, J. A.; Terasranta, H.; Tornikoski, M.; Ulrich, M. H.; Waltman, E.B.; Wamsteker, W.; Wright, M.C.H. (1999)We present a wide multi-wavelength database of most observations of the quasar 3C273 obtained during the last 30 years. This database is the most complete set of observations available for an active galactic nucleus (AGN). ...