2 papers
astro-ph2002
Optical Observations of Blazars: the Perugia Monitoring
G. Tosti, S. Ciprini, G. Nucciarelli
In eight years, during the blazar monitoring program performed with the Perugia automatic telescope, we were able to collect about 20000 photometric points, contributing…
astro-ph1999
The concave X-ray spectrum of the blazar ON 231: the signature of intermediate BL Lac objects
G. Tagliaferri, G. Ghisellini, P. Giommi +17
ON 231 was observed with BeppoSAX in May and June 1998, following an exceptional optical outburst which occured in April--May. We measured the X-ray spectrum from 0.1 up to 100 keV…