High Frequency Peakers: young radio sources or flaring blazars?

S. Tinti, D. Dallacasa, G. De Zotti +2

We present new, simultaneous, multifrequency observations of 45 out of the 55 candidate High Frequency Peakers (HFP) selected by Dallacasa et al. (2000), carried out 3 to 4 years a…