The Bologna Complete Sample: radio and gamma-ray data

Details The Bologna Complete Sample: radio and gamma-ray data The Bologna Complete Sample: radio and gamma-ray data

2011-10-28

arxiv.org/abs/1110.6360v1

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

4 pages, 2 figures, "2011 Fermi Symposium proceedings - eConf C110509"

Scientific paper

To study a statistical properties of different classes of radio sources, we defined and observed the Bologna Complete Sample (BCS) which is unbiased with respect to the orientation of the nuclear relativistic jet being selected from low-frequency samples. The BCS is a complete sample of 94 nearby (z<0.1) radio galaxies that are well studied targets with literature kiloparsec data. For all of them, we collected parsec scale information asking new VLBI observations. Statistical results on their properties in radio band are presented. From the estimates of the Doppler factor and viewing angles, we discuss the connection with the available gamma-ray data. Finally, we show how future observations with Fermi could reveal new important detections of some of the BCS sources.

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