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Multifrequency variability of the blazar AO 0235+164. The WEBT campaign in 2004-2005 and long-term SED analysis
C. M. Raiteri, M. Villata, M. Kadler +3
A huge multiwavelength campaign targeting the blazar AO 0235+164 was organized by the Whole Earth Blazar Telescope (WEBT) in 2003-2005 to study the variability properties of the so…
Photometry of comet 9P/Tempel 1 during the 2004/2005 approach and the Deep Impact module impact
G. A. Milani, Gy. M. Szabó, G. Sostero +8
The results of the 9P/Tempel 1 CARA (Cometary Archive for Amateur Astronomers) observing campaign is presented. The main goal was to perform an extended survey of the comet as a su…
Quasars and Galaxy Clusters Paired Across NGC 4410
H. Arp, E. M. Burbidge, D. Carosati
The aim is to investigate the region of the sky around NGC4410/Mrk1325 for objects which are physically associated with this active, double nucleus galaxy. We use archived data to…
The unprecedented optical outburst of the quasar 3C 454.3. The WEBT campaign of 2004-2005
M. Villata, C. M. Raiteri, T. J. Balonek
The radio quasar 3C 454.3 underwent an exceptional optical outburst lasting more than 1 year and culminating in spring 2005. The maximum brightness detected was R = 12.0, which rep…